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Volume 75, 1945-46
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A Reference List of the Rotatoria of New Zealand, With Ecological Notes.

By C. R. Russell,
108 Knowles Street, Christchurch.

[Read before Christchurch Branch, November 1, 1944; received by the Editor, November 17, 1944; issued separately, September, 1945.]

Introduction.

It is over 30 years since any serious attempt was made to ascertain the Rotatoria population of New Zealand, and during that period great advances have been made in our knowledge of this group of animals: new species have been found in almost every country, and the ecological studies of Pennack, Edmonson, and others, in the United States have shown hitherto unsuspected factors controlling the life history of the Rotatoria. On the taxonomic side Harring's Synopsis of the Rotatoria, published in 1913, is the most important work.

A short study of the Rotatoria of this country showed that before any further work could be undertaken it would be necessary to index the specimens already described; many species were found to be listed under Genera now invalid, others were insufficiently described, and with few exceptions the names used did not conform with the International Code of Zoological Nomenclature.

The List which forms the body of this paper contains as far as can be ascertained all New Zealand Rotifers which have been described. It also contains approximately 50 species found during the past three years in the vicinity of Christchurch, together with brief ecological notes. A few (apparently) new species have been found which it is hoped to describe at a later date.

History.

The first record of the New Zealand Rotatoria appears to have been made by Schmarda in 1859, who described three species, only one of which can be identified. Hamilton, in 1879, and Stock, in 1892, each recorded one rotifer, but it was not until six years later that any serious attempt was made to determine the rotifer fauna of this country. In 1898 Hilgendorf gave a list of 16 specimens, and in 1902 a further list with 26 additional species as well as numerous corrections to his earlier work. In 1903 Hutton published a list of 42 rotifers in the Index Faunae Novae Zealandiae, compiled by Hilgendorf and apparently taken from his 1902 paper.

No further records can be found until 1911, when Murray described 73 species, mostly of the Bdelloida, the majority of which were recorded in New Zealand for the first time. In 1912 Murray described another 12 species found near Mt. Cook, and the same year

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Morris published a list of 22 Rotatorians found near Oamaru. In 1913 Morris published a classified list which included the results of his own work, as well as that of Hilgendorf, Hamilton, and Stock: as an addendum he gave the 12 species described by Murray in 1912, but omitted any mention of the 73 species described by Murray in 1911. No further records of the Rotatoria appear until 1928, when Brehm described six rotifers found near Mt. Rolleston.

The Reference List of the Rotatoria.

In compiling this list H. K. Harring's Synopsis of the Rotatoria, Harring and Myers Rotifer Fauna of Wisconsin, and various bulletins by Pennack, Edmonson, and others have been extensively used. Changes of genera have been made in accordance with the views of these authors. Some genera, such as Callidina, which are now invalid, have been retained for the sake of completeness as the descriptions given have not always been sufficient to enable the animal to be correctly identified. The fact that a genus is invalid has been clearly stated. Where errors in names, or authors, have been found these have been corrected, and a note inserted to that effect.

As it is hoped that this paper will be of service to New Zealand students of the Rotatoria, references are made, where possible, not only to the original papers, but to literature available in New Zealand; for this reason Hudson and Gosse's work, The Rotifera, which, though out of date, is available in most University College libraries, has been constantly referred to. The synonymous names under which New Zealand specimens have been described have been inserted in the list under each species, but for the full synonomy The Synopsis of the Rotatoria should be consulted.

Although the list, and references, have been checked several times, it is perhaps too much to expect that it is free from errors: it is hoped, however, that these are reduced to a minimum.

Acknowledgments.

The preparation of this paper has been difficult owing to the problem of securing the necessary literature. I am much indebted to those who have sent me bulletins and papers, for without them it would have been impossible to complete this paper.

I would particularly like to thank Dr. E. A. Birge, of the Wisconsin State Biological Survey; The Smithsonian Institute; Dr. Robert W. Pennack, of the University of Colorado; and Dr. W. T. Edmonson, of the Woods Hole Oceanographic Institute, all of whom have supplied me with vital literature. I have also to thank Dr. Pennack for identifying several specimens, and for other assistance.

I have to thank Dr. R. A. Falla, of the Canterbury Museum, and Professor E. Percival, of Canterbury University College, for their advice and criticism. To Dr. R. Stern, of the Wheat Research Institute I am indebted for assistance in the pH determination of water samples.

Lastly, I must record my thanks to my friend Mr. Arthur W. Parrott, of the Canterbury Museum, through whose encouragement I first undertook the study of the Rotatoria, and whose advice and criticism has been freely given.

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Index to the Genera.
Adincta 118
Anuraeopsis 109
Ascomorpha 114
Asplanchna 115
Asplanchnopus 115
Brachionus 107
Callidina 120
Cephalodella 105
Collotheca 117
Colurella 111
Conochilius 117
Dapidia 109
Diacronophorus 100
Diaschiza 105
Diplois 109
Dissotrocha 121
Diurella 113
Èlosa 113
Epiphanes 106
Evchlanis 109
Filinia, 115
Floscularia 110
Gastropus 114
Habrotrocha 121
Keratella 108
Lecane 109
Lepadella 110
Limnias 116
Macrohaetus 112
Macrotrachela 119
Mniobia 121
Monostyla 110
Notholca 108
Notommata 104
Pedalia 110
Philodina 118
Philodinavus 118
Planoventer 105
Pleutra 120
Polyarthra 114
Proales 105
Ptygura 116
Rhinoglena 106
Rotaria 119
Scaridium 112
Scepanotrocha 122
Squatinalla 111
Synchaeta 114
Testudinella 115
Trichocerca 112
Trichotorica 112

Order Ploima.
Family Notommatidae.
Sub-family Notommatinae.
Genus Notommata Ehrenberg.

  • 1. N. aurita (Muller).

Vorticella aurita Muller 1786, p. 288.

Notommata aurita Ehrenberg, 1830. H. & G., 1886, vol. 2, p. 21, pl. 17, fig. 6.

Localities: Canterbury, Mt. Cook; Murray, 1911, p. 576. Oamaru; Morris, 1913, p. 213. Victoria Lake and Botanical Gardens, Christchurch.

Observations: Found at temp. 17–20° C., pH 8, fairly rare. (C.R.R.)

  • 2. N. caudata Collins. 1872, p. 11.

Copeus caudatus Hudson & Gosse, 1880, vol. 2, p. 33, pl. 16, fig. 5.

Locality: Mt. Cook; Murray, 1913, p. 455.

  • 3. N. najas Ehrenberg, (for 1831), 1832, p. 132. H. & G., 1886, vol. 2, p. 25, pl. 18, fig. 2.

Locality: Awamoa; Morris, 1913, p. 213.

  • 4. N. saccigera Ehrenberg, (for 1831), 1832, p. 133. H. & G., 1886.

vol. 2, p. 24, pl. 17, fig. 2.

Locality: Weston, N. Otago; Morris, 1913, p. 213.

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  • 5. N. torulosa (Dujardin).

Lindia torulosa Dujardin. 1841, p. 653. H. & G., 1889, sup. p. 22.

Locality: Mt. Cook; Murray, 1911, p. 576.

  • 6. N. tripus Ehrenberg, 1838, p. 434. H. & G., 1886, vol. 2, p. 22, pl. 17, fig. 4.

Locality: Lincoln College; Hilgendorf, 1902, p. 269.

  • 7. (?) N. pentophthalma Hilgendorf, 1898, p. 269.

Locality: Taieri Beach, pond; Hilgendorf, 1898, p. 116; 1902, p. 269.

? Genus Planoventer Hilgendorf.

  • 1. (?) P. varicolor Hilgendorf, 1898, p. 118.

Locality: Taieri Beach, pond; Hilgendorf. 1898, p. 118.

Genus Proales Gosse.

  • 1. P. decipiens (Ehrenberg).

Notommata decipiens Ehrenberg, (for 1831), 1832, p. 132.

Proales decipiens, Hudson & Gosse, 1886, vol. 2. p. 36, pl. 18, fig. 6.

Locality: Lincoln; Hilgendorf, 1902, p. 269.

Genus Cephalodella Bory de St. Vincent.

  • 1. C. forficula (Ehrenberg).

Distemma forficula Ehrenberg. (for 1831), 1832, p. 130.

Furcularia forficula Ehrenberg. 1838. H. & G., 1886, vol. 2, p. 41, pl. 20, fig. 1.

Localities: Mt. Cook; Murray, 1911, p. 576. Victoria Lake, Christchurch.

Observations: Found at temp. 15° C., pH 10, rare. (C.R.R.)

  • 2. C. mucronta Myers. 1924, p. 510.

non Monommata appendiculata Stenroos 1898.

Localities: Mt. Cook; Murray, 1913, p. 455. (Murray wrongly identified his specimens as Notommata appendiculata Stenroos. See p. 511, Rotifer Fauna of Wisconsin, 1924, part 2.) Mt. Rolleston; Brehm, 1928, p. 790.

Genus Diaschiza Gosse.

  • 1. D. auriculata (Muller).

Vorticella auriculata Muller. 1773, p. 111.

(?) Diaschiza taurocephalus Hilgendorf, 1898, p. 123.

Locality: Taieri Beach; Hilgendorf, 1898, p. 123.

  • 2. D. forficata (Ehrenberg).

Notommata forficata Ehrenberg. (for 1831), 1832, p. 134.

Furcularia caeca Gosse. 1851. H. & G., 1886, vol. 2, p. 42, pl. 20, fig. 4.

Locality: Maheno; Morris, 1912, p. 166.

Diaschiza, paeta Gosse. 1886, H. & G., 1886, vol. 2, p. 70, pl. 22, fig. 11.

Locality: Waihola Lake; Hilgendorf, 1902, p. 270.

  • 3. D. gibba (Ehrenberg).

Furcularia gibba Ehrenberg. (for 1831), 1832, p. 130. H. & G., 1886, vol. 2, p. 43, pl. 19, fig. 13.

Localities: Auckland, Mt. Cook, and Wellington; Murray, 1911, p. 576. Victoria Lake and Botanical Gardens, Christchurch.

Observations: Found at temp. 8–20° C., and pH 7.5–8, common at 11°, otherwise rare. (C.R.R.)

Diaschiza semiaperta Gosse. 1886. H. & G., 1886, vol. 2, p. 80, pl. 22, fig. 10.

Localities: Taieri Beach; Hilgendorf, 1898, p. 124. Lincoln College; Hilgendorf, 1902, p. 270.

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Transactions.

  • 4. D. globata Gosse. 1887, p. 362. H. & G., 1889, sup. p. 37, pl. 31, fig. 30.

Locality: Oamaru; Morris, 1913, p. 214.

  • 5. D. tenuior Gosse. 1886. H. & G., 1886, vol. 2, p. 81, pl. 22, fig. 14.

Locality: Taieri Beach; Hilgendorf, 1902, p. 270.

  • 6. D. ventripes Dixon-Nuttall. 1901, p. 25.

Locality: Taieri Beach; Hilgendorf, 1902, p. 270.

Sub-family Dicranophorinae.
Genus Diacranophorus Nitzsch.

  • 1. D. auritus (Ehrenberg).

Diglena aurita Ehrenberg. (for 1829), 1830, p. 16.

Eosphora aurita Werneck, 1836. H. & G., 1886, vol. 2, p. 47, pl. 17, fig. 10.

Locality: Taieri Beach; Hilgendorf, 1902, p. 269.

  • 2. D. forcipatus (Muller).

(?) Vorticella vermicularis Muller. 1773, p. 107.

Diglena forcipato, Ehrenberg, (for 1831), 1832. H. & G., 1886, vol. 2, p. 50, pl. 19, fig. 2.

Locality: Taieri Ferry; Hilgendorf, 1902, p. 269.

  • 3. D. grandis (Ehrenberg).

Diglena, grandis Ehrenberg. (for 1831), 1832, p. 137. H. & G., 1886, vol. 2, p. 48, pl. 19, fig. 6.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 14–21° C., pH 8°5–10, rare. (C.R.R.) Not previously recorded in New Zealand.

Family Epiphanidae.
Genus Epiphanes Ehrenberg.

  • 1. E. brachionus (Ehrenberg).

Notommata. brachionus Ehrenberg. (for 1835), 1837, p. 176.

Notops brachionus Hudson. 1886. H. & G., 1886, vol. 2, p. 11, pl. 15, fig. 1.

Localities: Dunedin; Morris, 1912, p. 165. Victoria Lake, Christchurch

Observations: Found at temp. 8° C., and pH 8, rare. (C.R.R.)

  • 2. E. senta (Muller).

Vorticella senta Muller. 1773, p. 109.

Hydatina senta Ehrenberg. 1830. H. & G., 1886, vol. 2, p. 9, pl. 14, fig. 1.

Hydatina monops Hilgendorf. 1898. p. 114. 1902, p. 269.

Locality: Lincoln College; Hilgendorf, 1898. p. 114; 1902, p. 269.

Genus Rhinoglena Ehrenberg.

  • 1. R. frontalis Ehrenberg. 1853, pp. 190, 193.

Rhinops vitrea Hudson. 1869. H. & G., 1886, vol. 2, p. 10, pl. 14, fig. 2.

Localities: Weston; Morris, 1912, p. 165. Victoria Lake, Christchurch.

Observations: Found at temp. 4–16° C., pH 7°5–9, common at 11° and pH 8, otherwise uncommon. (C.R.R.)

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Family Brachionidae.
Genus Brachionus Pallas.

  • 1. B. angularis Gosse. 1851, p. 203. H. & G., 1886, vol. 2, p. 120, pl. 27, fig. 4.

Localities: Enfield; Morris, 1912, p. 166. Victoria Lake and Botanical Gardens, Christchurch.

Observations: Found throughout the year at temp. 7–22° C., and pH 7°5–10. Abundance appears to bear little relation to either temperature or pH. (C.R.R.)

  • 2. B. calyciflorus Pallas. 1766, p. 93.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 12–23° C., and pH 8°5–9. Abundant at temperatures over 20°, and pH greater than 9. Length of (medium sized) specimen, .34 mm. over spines, width of lorica .136 mm.

All the specimens examined had four straight, triangular-shaped occipital spines of equal length, two straight posterior spines, and two small spines protecting the foot opening. The outline of the body was rectangular, and the lorica was flexible, enabling the animal to make its outer spines almost touch. (C.R.R.)

B. amphiceros Ehrenberg 1838. H. & G., 1886, vol. 2, p. 117.

Locality: Oamaru; Morris, 1912, p. 165.

? B. pala, Ehrenberg 1838. H. & G., 1886, vol. 2, p. 117, pl. 27, fig. 3, pl. 28, fig. 3.

Locality: Oamaru; Morris, 1912, p. 166. (From Morris's description it is not possible to determine which variety of the now invalid species B. pala he had: it is probable, however, that it was the same as that found in Victoria Lake, and described above, as this animal is widely distributed through Canterbury and N. Otago.)

  • 3. B. capsulifiorus Pallas. 1766, p. 91.

B. bakeri Muller. 1786. H. & G., 1886, vol. 2, p. 120, pl. 27, fig. 8.

Locality: Richmonds Crossing, N. Otago; Morris, 1912, p. 166.

B. rubens Gosse. 1886. (Not B. rubens Ehrenberg 1838). H. & G., 1886, vol. 2, p. 119, pl. 27, fig. 5, and pl. A.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 7–16° C., and pH 7°5–8. Abundant at 7–9°, otherwise rare. (C.R.R.)

B.variabilis Hempel. 1896. var. novae zealandiae Morris, 1912.

Locality: Totara; Morris, 1912, p. 166.

  • 4. B. leydigii Cohn. 1862, p. 215.

B. quadratus Rousselet. 1889. H. & G., 1889, sup. p. 51, pl. 34, figs. 11 and 12.

Locality: Palmerston South; Morris, 1912, p. 167.

  • 5. B. quadridentatus Hermann, 1783, p. 47.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 18–24° C., and pH 8–10. Abundant at the higher temperatures, and values of the pH. A small specimen was .272 mm. in length over the spines, and .085 mm. in width at its widest part.

When viewed from the dorsal side the outline of the animal is trapezoidal, its greatest width being in the lumbar region. It has

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four occipital spines, the two medians being curved outwards, and having the appearance of antlers; the two outer spines are straight and slightly shorter than the central pair. Between the outer spines on each side a small saw tooth can be seen, and on the corresponding anterior ventral edge are two similar teeth. The posterior spines are long and sharp, and when viewed from the dorsal side make an angle of approximately 30°, with a median line passing lengthwise through the body. Two short recurved spines protect the foot opening. The foot, which is often longer than the animal, is wrinkled, and has the usual two toes. (C.R.R.) Not previously recorded in New Zealand.

6. B. urceus (Linnaeus).

Tubipora urceus Linnaeus. 1758, p. 796.

Locality: Oamaru; Morris, 1913, p. 215.

Genus Keratella Bory de St. Vincent.

1. K. cochlearis (Gosse).

Anuraea cochlcaris Gosse. 1851, p. 202. H. & G., 1886, vol. 2, p. 124, pl. 29, fig. 7

Localities: Mt. Cook; Murray, 1911, p. 576. Evansdale and Oamaru; Morris, 1912, p. 167. Mt. Rolleston; Brehm, 1928, p. 790.

2. K. quadrata (Muller).

Brachionus quadratus Muller. 1786, p. 354.

Anuraea aculeata Ehrenberg. (for 1831), 1832. H. & G. 1886, vol. 2, p. 123, pl. 29, fig. 3.

Localities: Oamaru; Morris, 1912, p. 167. Victoria Lake and Botanical Gardens, Christchurch.

Observations: Found at temp. 15–23° C., and pH, 8–10. The posterior spines of this species are extremely variable. Some years it has been found with two short spines, at other times with two long spines, and again with only one long spine. In the case of the latter, careful examination failed to disclose that the missing spine had been broken off. In some pools K. quadrata was found with two spines and in other pools a few hundred yards away with only one spine. (C.R.R.)

Anuraea valga Ehrenberg, (for 1833), 1834. H. & G, 1889, sup. p. 55, pl. 34, fig. 30.

Locality: Mt. Cook and Canterbury; Murray, 1911, p. 576.

3. K. serrulata (Ehrenberg).

Anuraea serrulata Ehrenberg. 1838, p. 508. H. & G, 1886, vol. 2, p. 124, pl. 29, fig. 8.

Locality: Mt. Rolleston; Brehm, 1928, p. 790.

Genus Notholca Gosse.

1. N. striata (Muller).

Brachionus striatus Muller. 1786, p. 332.

Notholca acuminata. Hudson & Gosse. 1886, vol. 2, p. 125, pl. 29, fig. 4.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 18–22° C., and pH 8–10, uncommon. (C.R.R.)

Notholca jugosa Gosse. 1887. H. & G., 1889, sup. p. 56, pl. 31, fig. 59.

Locality: Lincoln; Hilgendorf, 1898, p. 132; 1902, p. 271.

N. regularis Hilgendorf. 1898.

Locality: Akatore Creek; Hilgendorf, 1898, p. 132; 1902, p. 271.

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Genus Anuraeopsis Lauterborn.

1. A. flssa (Gosse).

Anuraca fissa Gosse. 1851, p. 202.

Anuraea hypelasma Gosse. 1886. H. & G. 1886, vol. 2, p. 123, pl. 29, fig. 8.

Localities: Auckland; Hilgendorf, 1902, p. 271. Victoria Lake, Christchurch.

Observations: Found at temp. 18–22° C., and pH, 8–10, uncommon. (C.R.R.)

Family Euchlanidae.
Genus Euchlanis Ehrenberg.

1. E. dilitata Ehrenberg. (For 1831), 1832, p. 131. H. & G., 1886, vol. 2, p. 90, pl. 23, fig. 5.

Localities: Lincoln College; Hilgendorf, 1902, p. 270. Canterbury; Murray, 1911, p. 576. Victoria Lake, and small lake Hagley Park, also Botanical Gardens, Christchurch.

Observations: Found at temp. 9–20° C., and pH, 7.5–10. Common at 17° C. and pH 8. (C.R.R.)

2. E. lyra Hudson. 1886. H. & G., 1886, vol. 2, p. 89, pl. 23, fig. 1. Locality: Geraldine; Morris, 1913, p. 215.

3. E. oropha Gosse. 1887, p. 5. H. & G., 1889, sup. p. 39, pl. 31, fig. 34.

Locality: Mt. Cook, Canterbury; Murray, 1911, p. 576.

4. E. triquetra Ehrenberg. 1838, p. 461. H.& G., 1886, vol. 2, p. 91, pl. 23, fig. 4.

Locality: Botanical Gardens, Christchurch.

Observations: Found so far only at temp. 14° C., and pH 8, fairly rare. (C.R.R.) Not previously recorded in New Zealand.

Sub-genus DAPIDIA Gosse.

1. D. deflexa (Gosse).

Euchlanis deflexa Gosse. 1851, p. 200. H.& G., 1886, vol. 2, p. 92, pl. 24, fig. 1. Myers, 1930, pp. 345, 369.

Localities: Canterbury; Murray, 1911, p. 576; Victoria Lake, Christchurch.

Observations: Found at temp. 8–24° C., and pH 7.5–8.5, fairly common at 20°, otherwise rare. (C.R.R.)

Genus Diplois Gosse.

1. D. daviesiae Gosse. 1886. H.& G., 1886, vol. 2, p. 87, pl. 24, fig. 3.

Locality: Cust Main Drain, Canterbury.

Observations: Found at temp. 11° C., and pH 8, rare. (C.R.R.) Not previously recorded in New Zealand.

Genus Lecane Nitzsch.

1. L. flexilis (Gosse).

Distyla flexilis Gosse. 1886. H.& G., 1886, vol. 2, p. 97, pl. 24, fig. 7.

Localities: Mt. Cook; Murray, 1911, p. 576. Lake Taylor, N. Canterbury.

Observations: Found at (approx.) 17° C., and pH 8, fairly rare.

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2. (?) L. hudsoni (Lord.).

(?) Cathypna hudsoni Lord. 1890, p. 202.

Locality: Mt. Eden, Auckland; Hilgendorf, 1902, p. 271.

3. L. luna (Muller).

Cercaria luna. Muller. 1776, p. 280.

Cathypna luna. Gosse. 1886. H.& G., 1886, vol. 2, p. 91, p., 24, fig. 4.

Locality: Oamaru; Morris, 1913, p. 215.

Genus Monostyla Ehrenberg.

1. M. bulla Gosse. 1851, p. 200. H.& G., 1886, vol. 2, p. 99, pl. 25, fig. 4.

Localities: Oamaru; Morris, 1913, p. 215. Mt. Cook; Murray, 1913, p. 455.

2. M. cornuta (Muller).

Trichoda cornuta Muller. 1786, p. 208.

Monostyla cornuta Ehrenberg. 1830. H.& G., 1886, vol. 2, p. 98, pl. 25, fig. 1.

Localities: Lincoln College; Hilgendorf, 1902, p. 271. Victoria Lake, Christchurch.

Observations: Found at 20° C., and pH 8, rare. (C.R.R.)

3. M. crenata Harring. 1913a, p. 399. Harring& Myers, 1926, p. 386.

Localities: Mt. Rolleston; Brehm, 1928, p. 790. Victoria Lake, Christchurch.

Observations: Found at temp. 10–15° C., and pH 8 rare (C.R.R.)

4. M. lunaris (Ehrenberg).

Lepadella lunaris Ehrenberg. (for 1831), 1832, p. 127.

Monostyla lunaris Ehrenberg. 1838. H.& G., 1886, vol. 2, p. 98, pl. 25, fig. 2. Harring& Myers, 1926, p. 384.

Localities: Waihola Lake; Hilgendorf, 1902, p. 271. Canterbury; Murray, 1911, p. 576. Victoria Lake, Christchurch, also Botanical Gardens.

Observations: Found at temp. 7–17° C., and pH 8–8°5, rare. (C.R.R.)

Family Lepadellidae.
Genus Lepadella Bory de St. Vincent.

1. L. acuminata (Ehrenberg).

Metopidia acuminata Ehrenberg. (for 1833), 1834, p. 210. H.& G., 1886, vol. 2, p. 107, pl. 25, fig. 9.

Locality: Taieri Beach; Hilgendorf, 1898, p. 129; 1902, p. 271.

2. L. latusinus (Hilgendorf).

Metopidia solidus latusinus Hilgendorf. 1898, p. 131.

Locality: Taieri Beach; Hilgendorf, 1898, p. 131.

Metopidia latusinus Murray. 1911.

Locality: Mt. Cook; Murray, 1911, p. 581.

3. L. oblonga (Ehrenberg).

Squamella oblonga Ehrenberg. (for 1833), 1834, p. 220.

Metopidia oblonga Hudson& Gosse, 1889, sup. p. 47, pl. 34, fig. 5.

Locality: Christchurch. In an infusion of grass.

Observations: Found at temp. 16° C., and pH 8, together with protozoa. Abundant. (C.R.R.) Not previously recorded in New Zealand.

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4. L. ovalis (Muller).

Brachionus ovalis Muller. 1786, p. 345.

Metopidia, lepadella Ehrenberg. (for 1831), 1832. H.& G., 1886, vol. 2, p. 106, pl. 25, fig. 6.

Locality: Mt. Cook; Murray, 1911, p. 576.

Metopidia solidus, Gosse. 1851. H.& G., 1886, vol. 2, p. 106, pl. 25, fig. 11.

Localities: Taieri Beach; Hilgendorf, 1898, p. 130; 1902, p. 271. Canterbury; Murray, 1911, p. 576. Victoria Lake, Christchurch, and in infusions of grass.

Observations: Temp. 19–20° C., pH 8–9, fairly common. (C.R.R.)

5. L. rhomboides (Gosse).

Metopidia rhomboides Gosse. 1886. H.& G., 1886, vol. 2, p. 107, pl. 25, fig. 10.

Locality: Oamaru; Morris, 1913, p. 216.

6. L. salpina Ehrenberg. (for 1833), 1834, p. 209.

Metopidia oxysternum Gosse. 1886. H.& G., 1886, vol. 2, p. 107, pl. 25, fig. 8.

Localities: Weston; Morris, 1913, p. 216. Small lake, Hagley Park, Christchurch.

Observations: Found at temp. 11–14° C., pH 8, rare. (C.R.R.)

7. L. triptera Ehrenberg. (for 1831), 1832, p. 71.

Metopidia triptera Ehrenberg. (for 1831), 1832. (Not M. triptera Gosse, as stated by Murray.) H.& G., 1886, vol. 2, p. 108, pl. 25, fig. 7.

Localities: Lincoln; Hilgendorf, 1902, p. 271. Mt. Cook; Murray. 1911, p. 576.

Genus Colurella Bory de St. Vincent.

1. C. colurus (Ehrenberg).

Monura colurus Ehrenberg. 1830, p. 44.

Colurus amblytelus Gosse, 1886. H.& G., 1886, vol. 2, p. 104, pl. 20, fig. 5.

Locality: Lincoln College; Hilgendorf, 1902, p. 271.

Colurus grallator Gosse. 1887. H.& G., 1889, sup. p. 45, pl. 31, fig. 43.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 11–22° C., pH 8–8.5, rare. (C.R.R.)

2. (?) C. gracilis (Hilgendorf).

(?) Colurus gracilis Hilgendorf. 1898, p. 128.

Locality: Taieri Beach; Hilgendorf, 1898, p. 128.

Genus Sqatinella Bory de St. Vincent.

1. S. lamellaris (Muller).

Brachionus lamellaris Muller, 1786, p. 340.

Stephanops lamellaris Ehrenberg. 1830. H.& G., 1886, vol. 2, p. 75, pl. 21, fig. 7.

Locality: Pools in Botanical Gardens, Christchurch.

Observations: So far only found at temp. 11° C., pH 8. Rare. (C.R.R.) Not previously recorded in New Zealand.

2. S. tenella (Bryce).

Stephanops tenellus Bryce. 1897, p. 798.

Locality: Auckland; Murray, 1911, p. 576.

– 112 –

Family Trichotridae.
Genus Trichotria Bory de St. Vincent.

1. T. tetractis (Ehrenberg).

Dinocharis tetractis Ehrenberg. 1830, p. 47. H.& G., 1886, vol. 2, p. 72, pl. 21, fig. 2.

Locality: Swamp, Waitaki River; Morris, 1912, p. 166.

(?) Dinocharis inornata Hilgendorf. 1898, p. 121.

Localities: Taieri Beach; Hilgendorf, 1898, p. 121; 1902, p. 270. Rotorua and Mt. Cook; Murray, 1911, p. 576.

Genus Macrohaetus Perty.

1. M. collinsii (Gosse).

Dinocharis collinsii Gosse. 1867, p. 269. H.& G., 1886, vol. 2, p. 72, pl. 21, fig. 3.

Polychaetus collinsii Ternetz. 1892. (Not P. collinsii Gosse as given by Murray.)

Locality: Mt. Cook; Murray, 1913, p. 455.

Genus Scaridium Ehrenberg.

1. S. eudactylotum Gosse. 1886. H.& G., 1886, vol. 2, p. 74, pl. 21, fig. 4.

Locality: Mt. Cook; Murray, 1913, p. 455.

2. S. longicaudam (Muller).

Trichoda longicauda. Muller. 1786, p. 216. H.& G., 1886, vol. 2, p. 73, pl. 21, fig. 5.

Locality: Mt. Cook; Murray, 1913, p. 455.

Family Trichocercidae.
Genus Trichocerca Lamarck.

1. (?) T. cimolius (Gosse).

(?) Rattulus cimolius Gosse. 1886. H.& G., 1886, vol. 2, p. 66, pl. 20, fig. 14.

Locality: Lincoln College; Hilgendorf, 1902, p. 269.

2. T. cristata (Ehrenberg).

Mastigocerca carinata Ehrenberg. 1830, p. 46. H.& G., 1886, vol. 2, p. 60, pl. 20, fig. 7.

Trichocerca cristata Harring. 1913, p. 102.

Locality: Pools near Lake Ellesmere, Canterbury.

Observations: So far only found at temp. 16° C., pH 8. Not common. (C.R.R.) Not previously recorded in New Zealand.

3. T. longiseta (Schrank).

Brachionus rattus Schrank. 1793. p. 33.

Mastigocerca cornuta Hudson& Gosse. 1889, sup. p. 35, pl. 33, fig. 21.

Rattulus longiseta Jennings (for 1902), 1903. (Not R. longiseta Schrank as given by Murray.)

Localities: Mt. Cook; Murray, 1911, p. 576. Warrington to Waitaki River; Morris, 1912, p. 166.

4. T. lophoessa (Gosse).

Mastigocerca lophoessa Gosse. 1886, H.& G., 1886, vol. 2, p. 60, pl. 20, fig. 10.

Mastigocerca. rectocaudatus Hilgendorf. 1898, p. 120, 1902, p. 269.

Locality: Taieri Beach; Hilgendorf, 1898, p. 120; 1902, p. 269.

5. (?) T. orca (Murray).

Rattulus orca Murray. 1913, p. 457.

Locality: Muller Glacier; Murray, 1913, p. 457.

– 113 –

6. T. rattus (Muller).

Trichoda rattus Muller. 1776, p. 281.

Mastigocerca rattus. Hudson& Gosse, 1886, vol. 2, p. 62, pl. 20, fig. 9.

Localities: Victoria Lake, and small lake Hagley Park, Christ-church.

Observations: Found temp. 14–22° C., and pH 9–10. Common at 20°, otherwise rare. (C.R.R.)

Rattulus rattus Jennings. (for 1902), 1903.

Locality: Pukerau; Morris, 1912, p. 166.

7. T. scipio (Gosse).

Mastigocerca scipio Gosse. 1886. H.& G., 1886, vol. 2, p. 61, pl. 20, fig. 11.

Rattulua scipio Jennings. (for 1902), 1903. (Not R. scipio Gosse as shown by Murray.)

Locality: Mt. Cook; Murray, 1913, p. 455.

Genus Diurella Bory de St. Vincent.

1. D. brachyura (Gosse).

Monocerca brachyura Gosse. 1851, p. 199.

Coelopus brachyurus Gosse. 1886. H.& G., 1886, vol. 2, p. 69, pl. 20, fig. 21.

Locality: Not stated; Hilgendorf. 1902, p. 270.

2. D. insignis Herrick. 1885, p. 50.

Locality: Mt. Cook; Murray, 1913, p. 455.

3. D. porcellus (Gosse).

Monocerca porcellus Gosse. 1851, p. 199.

Coelopus porcellus Gosse. 1886. H.& G., 1886, vol. 2, p. 67, pl. 20, fig. 18.

Localities: Mt. Cook; Murray, 1911, p. 576. Victoria Lake, Christchurch.

Observations: Found so far only at temp. 10° C., and pH 8.5. Fairly rare. (C.R.R.)

4. D. tenuior (Gosse).

Coelopus tenuior Gosse. 1886. H.& G., 1886, vol. 2, p. 68, pl. 20, fig. 19.

Localities: Taieri Beach; Hilgendorf, 1902, p. 270. Victoria Lake, Christchurch.

Observations: Found at temp. 11–22° C., and pH 8–8.5. Fairly common at 20°, otherwise rare. (C.R.R.)

Mastigocerca flectocaudatus Hilgendorf. 1898, p. 119.

Locality: Taieri Beach; Hilgendorf, 1898, p. 119.

5. D. tigris (Muller).

Trichoda tigris Muller. 1786, p. 206.

Rattulus tigris Gosse. 1886. H.& G., 1886, vol. 2, p. 65, pl. 20, fig. 13.

Locality: Lincoln College; Hilgendorf, 1902, p. 269.

6. D. weberi Jennings (for 1902), 1903, p. 309.

Coelopus weberi Hilgendorf. 1902, p. 209.

Locality: Not stated; Hilgendorf, 1902, p. 269.

Genus Elosa Lord.

1. E. worrallii Lord. 1891, p. 323.

Locality: Mt. Cook; Murray, 1911, p. 576.

– 114 –

Family Gastropodidae.
Genus Ascomorpha Perty.

1. A. volvocicola (Plate).

Hertwiga volvocicola Plate. 1886, p. 26.

Proales parisita Hudson& Gosse. 1886, vol. 2, p. 39, pl. 18, fig. 11. Not P. parisita Ehrenberg.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 12–20° C., and pH 8.5–10. Abundant at the high values of pH. This animal is stated to be parasitic in Volvox colonies, but in Victoria Lake it was found free swimming. The lake contains no Volvox colonies, and enquiries amongst New Zealand botanists fail to disclose any evidence that A. volvocicola inhabits Volvox colonies in this country. (C.R.R.) Not previously recorded in New Zealand.

Genus Gastropus Imhof.

1. G. minor (Rousselet).

Notops minor Rousselet. 1892, p. 359.

Postclausa minuta Hilgendorf. 1898, p. 125.

Postclausa circularis Hilgendorf. 1898, p. 126.

Locality: Taieri Beach; Hilgendorf. 1898, p. 125; 1902, p. 269.

Family Synchaetidae.
Genus Synchaeta Imhof.

1. S. oblonga Ehrenberg. (for 1831), 1832, p. 135. H.& G., 1886, vol. 1, p. 127, pl. 13, fig. 4.

Localities: Mt. Cook; Murray, 1911, p. 576. Victoria Lake, Christchurch.

Observations: Found at temp. 7–8° C., and pH 7°5–8. Not Common. (C.R.R.)

2. S. pectinata Ehrenberg (for 1831), 1832, p. 135. H.& G., 1886, vol. 1, p. 125, pl. 13, fig. 3.

Localities: Balruddery, N. Otago; Morris, 1912, p. 165. Victoria Lake and Botanical Gardens, Christchurch.

Observations: Found at temp. 4–16° C., and pH 7.5–8. Very common at the higher temperature, and rare at the lower value. (C.R.R.)

3. S. tremula (Muller).

Vorticella tremula Muller. 1786, p. 289. H.& G., 1886, vol. 1, p. 128, pl. 13, fig. 2.

Localities: Ponds, Oamaru; Morris, 1913, p. 217. Victoria Lake, Christchurch.

Observations: Found at temp. 8–19° C., and pH 7–9. Common at 9°, often found in company with S. pectinata. (C.R.R.)

4. S. triophthalma Lauterborn. 1894, p. 212.

Locality: Oamaru Harbour; Morris, 1913, p. 217.

Family Polyarthridae.
Genus Polyarthra Ehrenberg.

1. P. trigla Ehrenberg (for 1833), 1834, p. 336.

Polyarthra platyptera Ehrenberg 1838. H.& G., 1886, vol. 2, p. 3, pl. 13, fig. 5.

Localities: Auckland and Mt. Cook; Murray, 1911, p. 576. Oamaru; Morris, 1912, p. 165. Victoria Lake, Christchurch.

– 115 –

Observations: Found at temp. 8–23° C., and pH 8–10. Common at 11°. A few specimens were found at almost every weekly collection throughout the year. (C.R.R.)

Genus Filinia Bory de St. Vincent.

1. F. longiseta (Ehrenberg).

Triarthra longiseta Ehrenberg. (for 1833), 1834, p. 222. H.& G., 1886, vol. 2, p. 6, pl 13, fig. 6.

Localities: N. Otago; Morris, 1912, p. 165. Auckland; Murray, 1911, p. 576. Victoria Lake, Christchurch, also Botanical Gardens.

Observations: Found at temp. 8–17° C., and pH 8. Not common. (C.R.R.)

2. F. passa (Muller).

Brachionus passus Muller. 1786, p. 353.

Triarthra, mystacina Ehienberg. (for 1831), 1832. H.& G., 1886, vol. 2, p. 7, pl. 13, fig. 8.

Locality: N. Otago; Morris, 1912, p. 165.

Family Asplanchnidae.
Genus Asplanchna Gosse.

1. A. brightwellii Gosse. 1850, p. 23. H.& G., 1886, vol. 1, p. 122, pl. 12, fig. 1.

Localities: N. Otago and S. Canterbury; Morris, 1912, p. 165. Victoria Lake, Christchurch.

Observations: Found at temp. 8–16° C., and pH 8–10. Fairly common at times, but appearance erratic. Average specimens measured were (females), .63 mm. long; the males seldom exceeded .3 mm. (C.R.R.)

2. A. intermedia Hudson, 1886. H.& G., 1886. vol. 1, p. 122, footnote.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 17–25° C. and pH 8–8.5. Fairly common. The female of this species is identical with A. brightwellii, but the male has two lateral humps. The length of the male was .44 mm., and width over humps .34 mm. (C.R.R.) Not previously recorded in New Zealand.

Genus Asplanchnopus de Guerne.

1. A. multiceps (Schrank).

Rrachionus multiceps Schrank. 1793, p. 30.

Asplanchnopus myrmeleo Hudson& Gosse, 1889, sup. p. 15, pl. 32. fig. 13.

Locality: North Otago; Morris, 1912, p. 165; 1913, p. 217.

Family Testudinellidae.
Genus Testudinella Bory de St. Vincent.

1. T. patina (Hermann).

Brachionus patina Hermann. 1783, p. 48.

Pterodina patina Ehrenberg. 1830. H.& G., 1886, vol. 2, p. 112, pl. 26, fig. 11.

Localities: Lincoln and Waihola Lake; Hilgendorf, 1902, p. 271. Victoria Lake, small lake in Hagley Park, and Horseshoe Lake, Christchurch.

– 116 –

Observations: Found in Victoria Lake at temp. 14–21° C., pH 8–9; fairly common. Small lake, Hagley Park, temp. 17–22° C., pH 8–9; fairly common. Horseshoe Lake, temp. 11° C., pH 8, uncommon. The only rotifer found in this lake. (C.R.R.)

2. T. reflexa (Gosse).

Pterodina reflexa Gosse. 1887, p. 3. H.& G., 1889, sup. p. 50 pl. 31, fig. 54.

Locality: Mt. Cook; Murray, 1911, p. 576.

3. T. striata (Murray).

Pterodina striata Murray. 1913, p. 460.

Locality: Muller Glacier; Murray, 1913, p. 460. Abundant.

Family (?)

[The position of the genus Pedalia cannot be stated with the literature available; it has in the past been placed under several families by various authors.]

Genus Pedalia Barrois.

1. Pedalia sp.

[Probably P. fennicum Levander 1892; Murray's specimens of Pedalion sp. were lost in transit to England.]

Locality: Wakatipu; Murray, 1911, p. 576.

Order Flosculariacea.
Family Floscularidae.
Genus Floscularia Cuvier.

1. F. conifera (Hudson).

Mcliccrta conifera Hudson. 1886. H.& G., 1886, vol. 1, p. 72, pl. 5, fig. 2.

Locality: Victoria Lake, Christchurch.

Observations: Found at temp. 17–20° C., and pH 8–8.5, amongst Myriophyllum. Fairly common. (C.R.R.) Not previously recorded in New Zealand.

2. R. ringens (Linnaeus).

Serpula, ringens Linnaeus. 1758, p. 788.

Melicerta ringens Schrank. 1803. H.& G., 1886. vol. 1, p. 70, pl. 5, fig. 1.

Localities: Petane Valley, Napier; Hamilton, 1879, p. 301. Victoria Lake. Christchurch.

Observations: Found amongst Myriophyllum at temp. 17° C., and pH 8. Common. (C.R.R.)

Genus Limnias Schrank.

1. L. ceratophylii Schrank. 1803, p. 311. H.& G., 1886, vol. 1. p. 75, pl. 6, fig. 1.

Locality: Ardgowan, Oamaru; Morris, 1912, p. 164.

Genus Ptygura Ehrenberg.

1. P. crystallina. (Ehrenberg).

Occistes crystallinus Ehrenberg. (for 1833), 1834, p. 223. H.& G., 1886, vol. 1, p. 80, pl. 7, fig. 3.

Locality: Victoria Lake, Christchurch.

– 117 –

Observations: Found amongst Myriophyllum at temp. 18–22° C., and pH 8–8.5. Common. (C.R.R.) Not previously recorded in New Zealand.

2. P. melicerta (Ehrenberg).

Ptygura melicerta Ehrenberg. (for 1831), 1832, p. 122.

Oecistes serpentines Gosse. 1886. H.& G., 1886, vol. 1, p. 80, pl. 9, fig. 1. Locality: Victoria Lake, Christchurch.

Observations: Found amongst Myriophyllum, at temp. 20.5° C., and pH. 8.5. Rare. (C.R.R.) Not previously recorded in New Zealand.

3. P. socialis (Weber).

Oecistes socialis Weber. 1888, p. 655. H.& G., 1889, sup. p. 5.

Locality: Ardgowan, Oamaru; Morris, 1912, p. 164.

4. P. velata (Gosse).

Megalotrocha velata Gosse. 1851, p. 198.

Oecistes velatus Hudson& Gosse, 1886, vol. 1, p. 83, pl. D, fig. 8.

Localities: Mt. Cook; Murray, 1911, p. 576; Victoria Lake, Christchurch.

Observations: Found amongst Myriophyllum at temp. 15° C., and pH 8.5. Rare. (C.R.R.)

Family Conochilidae.
Genus Conochilius Ehrenberg.

1. C. hippocrepis (Schrank).

Linza hippocrepis Schrank. 1830. p. 314.

Conochilius volvox Ehrenberg. (for 1833), 1834. H.& G., 1886, vol. 1, p. 89, pl. 8, fig. 3.

Locality: Waikakahi; Morris, 1912, p. 164.

Order Collothecacea.
Family Collothecidae.
Genus Collotheca Harring.

1. C. ambigua (Hudson).

Floscularia ambigua Hudson. 1883, p. 163. H.& G., 1886, vol. 1, p. 53, pl. 1, fig. 2.

Locality: Mt. Eden, Auckland; Hilgendorf, 1902, p. 267.

2. C. coronetta (Cubitt).

Floscularia coronetta. Cubitt. 1869. p. 133. H.& G., 1886, vol. 1, p. 49, pl. 1, fig. 5; pl. 2, fig. 2.

Locality: The Hutt, Wellington; Stock, 1892, p. 193.

3. C. cornuta (Dobie).

Floscularia ornata Dobie. 1849, p. 233. H.& G., 1886, vol. I, p. 51, pl. 1, fig. 7.

Locality: Victoria Lake, Christchurch.

Observations: Found amongst Myriophyllum, at temp. 17–20° C., pH 8–8.5. Fairly common. (C.R.R.) Not previously recorded in New Zealand.

4. C. ornata (Ehrenberg).

Floscularia ornata Ehrenberg. (for 1831), 1832, p. 146. H.& G., 1886, vol. 1, p. 50, pl. 1, fig. 9.

Localities: Lincoln; Hilgendorf, 1902, p. 267. Victoria Lake, Christchurch.

– 118 –

Observations: Found amongst Myriophyllum, temp. 20–25° C., pH 8–8.5. Length of average specimen (body) .123 mm. Fairly common. (C.R.R.)

Order Bdelloida.
Family Adinetidae.
Genus Adineta Hudson.

1. A. barbata Janson. 1893, p. 74.

Locality: Auckland and Mt. Cook; Murray, 1911, p. 575.

2. A. gracilis Janson. 1893, p. 77.

Locality: Canterbury, Mt. Cook, Wellington, and West Coast; Murray, 1911, p. 575.

3. A. longicornis Murray. 1906, p. 643.

Locality: Auckland, Mt. Cook, and West Coast; Murray, 1911, p. 575.

4. A. tuberculosa Janson. 1893, p. 73.

Locality: Mt. Cook; Murray, 1911, p. 575.

5. A. vaga. (Davis).

Callidina vaga, Davis. 1873, p. 201. H.& G., 1886, vol. 1, p. 112, pl. 10, fig. 10.

Locality: Auckland and Mt. Cook; Murray, 1911, p. 575.

Family Philodinavidae.
Genus Philodinavus Harring.

1. P. paradoxus (Murray).

Microdina paradoxa Murray. 1905, p. 371.

Philodinavus paradoxus. Herring. 1913, p. 83.

Locality: Mt. Cook; Murray, 1911, p. 575.

Family Philodinidae.
Sub-family Philodininae.
Genus Philodina Ehrenberg.

1. P. brevipipes. Murray. 1902, p. 264.

Locality: Wakatipu; Murray, 1911, p. 575.

2. P. citrina Ehrenberg, (for 1831), 1832, p. 148. H.& G., 1886, vol. 1, p. 100, pl. 9, fig. 6.

Localities: Auckland, Mt. Cook; Murray, 1911, p. 575. Victoria Lake, Christchurch.

Observations: Found in water amongst Myriophyllum at temp. 17–24° C., pH 8. Rare. (C.R.R.)

3. (?) P. clocata Hilgendorf. 1902, p. 268. Locality: Lincoln College; Hilgendorf. 1902, p. 268.

4. P. erythrophthalma Ehrenberg. 1830, p. 84. H.& G., 1886, vol. 1, p. 99.

Locality: Lincoln College; Hilgendorf, 1902, p. 268.

5. P. flaviceps Bryce. 1906, p. 172.

Localities: Auckland, Canterbury, Mt. Cook and Wakatipu; Murray, 1911, p. 575.

6. P. megalotrocha Ehrenberg, (for 1831), 1832, p. 148. H.& G., 1886, vol. 1, p. 101, pl. 9, fig. 7.

Locality: Not stated; Schmarda, 1859. Mt. Eden, Auckland; Hilgendorf, 1902, p. 268.

– 119 –

7. (?) P. microps Gosse. 1887, p. 861. H.& G., 1889, p. 8, pl. 31, fig. 1.

[Insufficiently described.]

Locality: Lincoln College; Hilgendorf, 1902, p. 268.

8. P. memoralis Bryce. 1903, p. 526.

Locality: Wakatipu; Murray, 1911, p. 575.

9. P. roseola Ehrenberg. (for 1831), 1832, p. 147. H.& G., 1886, vol. 1, p. 99, pl. 9, fig. 4.

Localities: Lincoln College; Hilgendorf, 1902, p. 268. Victoria Lake, Christchurch.

Observations: Found at temp. 9–20° C., and pH 8–9. A few specimens are found throughout the year. Not common. (C.R.R.)

10. P. rugosa Bryce, 1903, p. 528.

Localities: Wakatipu and West Coast; Murray, 1911, p. 575

11. P. vorax (Janson).

Callidina, vorax Janson. 1893, p. 60.

Localities: West Coast and Wakatipu; Murray, 1911, p. 575.

Genus Rotaria Scopoli.

1. R. curtipes (Murray).

Rotifer curtipes Murray. 1911, pt 578.

Locality: Mt. Cook; Murray, 1911, pp. 575, 578.

2. R. macrura (Ehrenberg).

Rotifer macrurus Ehrenberg. (for 1831), 1832, p. 145. H.& G., 1886. vol. 1, p. 107, pl. 10, fig. 4.

Locality: Taieri Beach; Hilgendorf, 1898, p. 111; 1902, p. 268.

3. R. montana (Murray).

Rotifer montanus Murray. 1911, p. 578.

Locality: Mt. Cook; Murray, 1911, p. 578.

4. R. rotatoria (Pallas).

Brachionus rotatorius Pallas. 1766, p. 94.

Rotifer vulgaris Schrank. 1801. H. & G., 1886, vol. 1, p. 104, pl. 10, fig. 2.

Localities: Lincoln College; Hilgendorf, 1902, p. 268. Mt. Cook; Murray, 1911, p. 575.

5. R. sordida (Western).

Callidina sordida Western. 1893, p. 159.

Rotifer longirostris Bryre. 1910. (Not R. longirostris Janson as given by Murray.)

Localities: Auckland, Rotorua, Canterbury, Mt. Cook, West Coast and Stewart Island; Murray, 1911, p. 575.

6. R. tardigrada (Ehrenberg).

Rotifer tardigradus Ehrenberg, (for 1831), 1832, p. 145.

Rotifer tordus Ehrenberg. 1838. H. & G., 1886, vol. 1, p. 105, pl. 10, fig. 1.

Locality: Pools in Botanical Gardens, Christchurch.

Observations: Found so far only at temp. 16° C., and pH 8.5. Fairly common. (C.R.R.) Not previously recorded in New Zealand.

Genus Macrotrachela Milne.

1. M. ehrenbergii (Janson).

Callidina ehrenbergii Janson. 1893, p. 61.

Localities: Mt. Cook and West Coast; Murray, 1911, p. 575.

– 120 –

2. M. habita (Bryce).

Callidina habita Bryce. 1894, p. 451.

Localities: Mt. Cook and West Coast; Murray, 1911, p. 575.

3. M. microcornis (Murray).

Callidina microcornis Murray, 1911, p. 577.

Locality: West Coast; Murray, 1911, pp. 575, 577.

4. M. multispinosa Thompson. 1892, p. 57.

Callidina multispinosa Janson. 1893. p. 67.

Localities: West Coast and Stewart Island; Murray, 1911, p. 575.

5. M. musculosa Milne. 1886, p. 138.

Callidina musculosa Janson. 1893, p. 64.

Locality: Mt. Cook; Murray, 1911, p. 575.

6. M. papillosa Thompson. 1892, p. 60.

Callidina papillosa. Janson. 1893, p. 66.

Localities: Auckland, Mt. Cook, Wakatipu, West Coast, Stewart Island; Murray, 1911, p. 575.

7. M. plicata (Bryce).

Callidina plicata Bryce. 1892, p. 21.

Localities: Auckland, Canterbury, Mt. Cook; Murray, 1911, p. 575.

8. M. quadricornifera Milne. 1886, p. 139.

Callidina quadricornifera, Hudson& Gosse. 1889, sup. p. 10.

Locality: West Coast; Murray, 1911, p. 575.

(?) Genus Callidina Ehrenberg.

Harring, in the Synopsis of the Rotatoria, 1913, p. 24, states: “As the type of Ehrenberg's genus Callidina is insufficiently described … and is not congeneric with the species listed by him under that name, these have been transferred to the genus Macrotrachela Milne…. As a consequence the genus Callidina becomes a harbor of refuge for a motley assemblage of doubtful and insufficiently described species.”

The genus Callidina has only been retained in this list to contain the three doubtful species listed below.

1. (?) C. bihamata Hudson& Gosse. 1886, vol. 1, p. 11, pl. 10, fig. 7.

Locality: Lincoln College; Hilgendorf, 1902, p. 268.

2. (?) C. quadridens. Hilgendorf. 1898, p. 111.

Locality: Taieri Beach; Hilgendorf, 1898, p. 113; 1902, p. 268.

3. (?) C. tetraodon Ehrenberg. 1848, p. 380.

(?) Mmobia tetraodon Murray. 1911.

Localities: Auckland, Canterbury, Mt. Cook and West Coast; Murray, 1911, p. 575.

Genus Pleutra Bryce.

1. P. alpium (Ehrenberg).

Callidina alpium Ehrenberg, 1853, p. 529.

Locality: Mt. Cook; Murray, 1911, p. 575.

2. P. brycei (Weber).

Callidina brycei Weber. 1898, p. 347.

Locality: Auckland; Murray, 1911, p. 575.

– 121 –

3. P. humerosa (Murray).

Philodma humerosa Murray. 1905, p. 382.

Locality: Mt. Cook; Murray, 1911, p. 575.

Genus Dissotrocha Bryce.

1. D. aculeata (Ehrenberg).

Philodina aculcata Ehrenberg. (for 1831), 1832, p. 148. H.& G., 1886, vol. 1. p. 101, pl. 9, fig. 5.

Locality: Mt. Rolleston; Brehm, 1928, p. 790.

2. D. macrostyla (Ehrenberg).

Philodma macrostyla Ehrenberg. 1838, p. 500.

Localities: Rotorua and Mt. Cook; Murray, 1911, p. 575.

Genus Mniobia Bryce.

1. M. magna (Plate).

Callidina magna Plate. 1889, p. 15.

Locality: Mt. Cook; Murray, 1911, p. 575.

2. M. scabrosa Murray. 1911, p. 9.

Locality: Mt. Cook; Murray, 1911, p. 575.

3. M. symbiotica (Zelinka).

Callidina symbioticy Zelinka. 1886, p. 396.

Locality: Mt. Cook and West Coast; Murray, 1911, p. 575.

Sub-family Habrotrochinae.
Genus Habrotrocha Bryce.

1. H. angusticollis (Murray).

Callidina angusticollis Murray. 1905, p. 374.

Localities: Auckland, Rotorua, Wakatipu, West Coast; Murray, 1911, p. 575. Mt. Rolleston, Brehm, 1908, p. 790.

2. H. aspera (Bryce).

Callidina, aspera Bryce. 1892, p. 23.

Localities: Auckland. West Coast, Stewart Island; Murray, 1911, p. 575.

3. H. constricta (Dujardin).

Callidina constricta Dujardin. 1841, p. 658.

Locality: Wellington; Murray, 1911, p. 575.

4. H. elegans (Milne).

Macrotrachela elegans Milne. 1886, p. 138.

Callidina venusta Bryce. 1897.

Locality: Lincoln College; Hilgendorf, 1902, p. 268.

5. H. lata (Bryce).

Callidina lata Bryce. 1892, p. 22.

Localities: Mt. Cook, West Coast; Murray, 1911, p. 575.

6. H. leitgebii (Zelinka).

Callidina leitgebii Zelinka.' 1886, p. 416.

Localities: Canterbury, Mt. Cook, Wakatipu; Murray, 1911, p. 575.

7. H. perforata (Murray).

Callidina perforaia Murray. 1906, p. 640.

Localities: Auckland, West Coast; Murray, 1911, p. 575. Mt. Rolleston; Brehm, 1928, p. 790.

– 122 –

8. H. pulchra (Murray).

Callidina pulchra Murray. 1905, p. 376.

Locality: West Coast; Murray, 1911, p. 575.

9. H. pusilla (Bryce).

Callidina pusilla, Bryce. 1893, p. 198.

Localities: Auckland and West Coast; Murray, 1911, p. 575.

Genus Scepanotrocha Bryce.

1. S. rubra Bryce. 1910, p. 78.

Localities: Mt, Cook and Canterbury; Murray, 1911, p. 575.

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