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Volume 38, 1905
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Family Lagenidæ.
Subfamily Lageninæ.
Genus Lagena, Walker and Boys.
Lagena elongata, Ehrenberg sp.

Miliola elongata, Ehrenberg. 1854, Mikrogeologie, pl. xxv, fig.1.

Lagena elongata, Ehr. sp., Brady, 1884, Rep. Chall., vol. ix, p. 457, pl. lvi. fig. 29. Millett, 1901, Journ. R. Micr. Soc., p. 492, pl. viii, fig. 10.

One specimen found, slightly curved.

Lagena gracillima, Seguenza sp.

Imphorina gracillima, Seguenza, 1862, Foram. Monotal. Mess., p. 51, pl. i, fig. 37.

Lagena gracillima, Seg. sp., A. Silvestri, 1900, Mem. Pontif. Accad. Nuovi Lincei, vol. xvii, p. 245, pl. vi, fig. 42.

A specimen, resembling an attenuated pear-shaped pipette, occurs in the present series.

Lagena striata, d'Orbigny sp.

Oolina striata, d'Orbigny, 1839, Foram. Amér. Mérid., p. 21, pl. v, fig. 12.

Lagena striata, d'Orb. sp., Goes, 1894, K. Svenska Vet-Akad. Handl., vol. xxv, p. 75, pl. xiii, figs. 732–736. Millett, 1901, Journ. R. Micr. Soc., p. 487.

A perfect specimen was found in our sounding, showing a faint, oblique annulation of the neck.

Lagena sulcata, Walker and Jacob sp.

Serpula (Lagena) striata sulcata rotundata, Walker and Boys 1784, Test. Min., p 2, pl. 1, fig 6.

Lagena sulcata, W. and J. sp., Flint, 1899, Rep. U.S. Nat. Mus. for 1897, p. 307, pl. liii, fig. 7. Millett, 1901, Journ. R. Micr. Soc., p. 488

One specimen was found in our sounding, having thin but not expansive riblets.

Lagena hispida, Reuss.

Lagena hispida, Reuss, 1858, Zeitschr. d. deutsch. geol. Gesellsch., vol. x, p. 434. Id., 1863, Sitzungsb. d.k. Ak. Wiss. Wien, vol. xlvi, p. 335, pl. vi, figs. 77–79. Brady, 1884, Rep. Chall., vol. ix, p. 459,pl. lvii, figs. 1–4; pl. lix, figs. 2, 5. Flint, 1899(1897), Rep. U.S. Nat. Mus., p. 307, pl. lm, fig. 8.

A typical specimen, having a slender neck, occurs in our series.

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Lagena hexagona, Williamson sp.

Entosolenia squamosa, var. hexagona, Williamson, 1848, Ann. and Mag. Nat. Hist., ser. 2, vol. 1, p. 20. pl. ii, fig. 23.

Lagena hexagona, Williamson sp., Millett, 1901, Journ. R. Micr. Soc., p. 8.

A single typical specimen of this elegant form occurs in our material.

Lagena lacunata, Burrows and Holland.

Lagena lacunata, Burrows and Holland, 1895, in Jones's Palæont. Soc. Mon., Crag. Foram., pt. ii, p. 205, pl. vii, fig. 12.

This species is distinguished from the better-known L. castrensis, Schwager, by the depressions on the faces of the test. Millett regards both of these forms, perhaps rightly, as one variety of L. Orbignyana.

L. lacunata is not uncommon in our soundings.