
Art. XXXIX.—List of Marine Mollusca from Lyall Bay, near Wellington, New Zealand.
[Read before the Philosophical Institute of Canterbury, 11th December, 1907]
The authorship of this list requires explanation. All the larger shells were collected by Miss Mestayer, whilst the minute forms were sorted and identified by Tom Iredale from shell-sand and seaweed-washings collected by Miss Mestayer. Therefore, whilst all the credit for this list is due to Miss Mestayer, all the blame must be undertaken by Tom Iredale, who holds himself responsible for all identifications and errors of nomenclature.
This paper has been prepared with a view to furthering our knowledge of the geographical distribution of the marine Mollusca of New Zealand, which at the present time is very imperfect. This is chiefly due to the extent of coast-line and the scarcity of workers.
We have no new records of large shells, as the locality under notice has probably been collected more thoroughly than any other in New Zealand, save, perhaps, some Auckland collecting ground. The shell-sand, however, is very rich, and has provided a number of new species, though the most interesting find is not a new shell: we refer to the occurrence of Limacina australis, Eydoux and Souleyet, details of which are given in another place. Further diligent search in shell-sand will doubtless add many species to this record.

This list is imperfect, inasmuch as we have no Cephalopods nor Nudibranchs to enumerate. It only records species which have occurred in the littoral zone. Nevertheless, we feel it will be a useful contribution, and will act as a basis upon which to work.
The most recent list in existence dealing with the marine Mollusca of the Wellington district dates back to 1880.
In order to add to the value of this list, we have noted in an addenda some species on record which we have not yet been fortunate enough to find. As regards classification, we have followed Pelseneer, and as to specific nomenclature we have used the “Index Faunæ Novæ-Zealandiæ,” with such later alterations as have come under our notice.
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Lepidopleurus inquinatus, Reeve
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Ischnochilon longicymba, Q. and G.
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Plaxiphora biramosa, Q. and G.
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cælata, Reeve.
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suteri, Pilsbry.
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ovata, Hutton.
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Acanthochites porosus, Burrow.
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zelandicus, Q. and G.
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violaceus, Q. and G.
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Chiton pellis-serpentis, Q. and G.
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sinclairi, Gray.
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quoyi, Deshayes.
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quoyi limosa, Suter.
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æreus, Reeve.
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huttoni, Suter.
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Eudoxochiton nobilis, Gray.
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huttoni, Pilsbry.
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Onithochiton undulatus, Q. and G.
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Acmæa cingulata, Hutton.
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fragilis, Chemnitz.
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dædala, Suter.
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stella, Lesson.
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stella corlicata, Hutton.
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parviconoidea, Suter.
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parviconoidea rigrostella, Suter.
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Helcioniscus radians, Gmelin.
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radians argentea, Q. and G.
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radians earlii, Reeve.
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radians flava, Hutton.
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radians affinis, Reeve.
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denticulalus, Martyn.
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stelliferus, Gmelin.
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ornatus, Dillwyn.
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ornatus inconspicua, Gray.
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Scissurella rosea, Hedley.
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Schismope brevis, Hedley.
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beddomei, Petterd.
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Haliotis iris, Martyn.
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australis, Gmelin.
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virginea, Gmelin.
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Emarginula striatula, Q. and G.
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Subemarginula intermedia, Reeve.
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parmophoidea, Q. and G.
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Incisura lytteltonensis, E. A. Smith.
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Trochus viridis, Gmelin.
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tiaratus, Q. and G.
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Monodonta æthiops, Gmelin.
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nigerrima, Gmelin.
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coracina, Troschel.
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lugubris, Gmelin.
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Cantharidus purpuratus, Martyn.
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opalus, Martyn.
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dilatatus, Sowerby.
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Gibbula nitida, Adams and Angas.
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suteri, E. A. Smith.
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Calliostoma tigris, Martyn.
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punctulatum, Martyn.
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selectum, Chemnitz.
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Monilea egena, Gould.
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Euchelus bellus, Hutton.
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bellus iricolor, T. W. Kirk.
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Ethalia zelandica, H. and J.
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Liotia polypleura, Hedley.
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Cyclostrema corulum, Hutton.
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Orbitestella exquisita, Iredale.
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Turbo smaragdus, Martyn.
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smaragdus tricostatus, Hutton.
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granosus, Martyn.
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Astralium sulcatum, Martyn.
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heliotropium, Martyn.
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Litorina mauritiana, Lamarck.
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cincta, Q. and G.
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Couthouyia corrugata, Hedley.
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Rissoia hamiltoni, Suter.
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subfusca, Hutton.
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subfusca micronema, Suter.
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foveauxiana, Suter.
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fumata, Suter.
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insculpta, Murdoch.
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cheilostoma, Ten-woods.
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Rissoia cheilostoma lyalliana, Suter.
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microstriata, Murdoch.
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zosterophila, Webster.
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zosterophila minor, Suter.
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incidata, Frauenfeld.
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emarginata, Hutton.
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neozelanica, Suter.
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Rissoina agrestis, Webster.
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rugulosa, Hutton.
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Eatoniella olivacea, Hutton.
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olivacea annulatd, Hutton.
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limbata, Hutton.
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rosea, Hutton.
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Cerithiopsis sarissa, Murdoch.
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Potamides subcarinatus, Sowerby.
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Cæcum digitulum, Hedley.
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Turritella rosea, Q. and G.
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Struthiolaria papulosa, Martyn.
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Calyptræa novæ-zealandiæ, Lesson.
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scutum, Lesson.
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Crepidula crepidula, Linné.
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Natica zelandica, Q. and G.
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Gyrineum argus, Gmelin.
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Epitonium philippinarum, Forbes.
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Pyrgulina rugata, Hutton.
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Turbonilla zealandica, Hutton.
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Leiostraca murdochi, Hedley.
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Siphonalia nodosa, Martyn.
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mandarina, Duclos.
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Cominella maculata, Martyn.
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maculosa, Martyn.
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Euthria lineata, Martyn.
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lineata traversi, Hutton.
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antarctica, Reeve.
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Trophon ambiguus, Phillipi.
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Kalydon duodecimus, Hutton.
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(Purpura) Thais succinta, Martyn.
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striata, Martyn.
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scobina, Q. and G.
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scobina albomarginata, Deshayes.
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haustrum, Martyn.
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Pyrene choava, Reeve.
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huttoni, Suter.
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Marginella turbinata, Sowerby.
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Ancilla australis, Sowerby.
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mucronata, Sowerby.
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Ancilla pyramidalis, Reeve.
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rubiginosa, Swainson.
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depressa, Sowerby.
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Mangilia sinclairi, E. A. Smith.
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epentroma, Murdoch.
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Terebra tristis, Deshayes.
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Limacina australis, Eydoux and Souleyet.
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Pleurobranchus ornatus, Cheeseman.
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Marinula filholi, Hutton.
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Siphonaria obliquata, Sowerby.
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zelandica, Q. and G.
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Gadinia nivea, Hutton.
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Solenomya parkinsoni, E. A. Smith.
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Nucula lacunosa, Hutton.
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Pectunculus laticostata, Q. and G.
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striatularis, Lamarck.
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Barbatia decussala, Sowerby.
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Philobrya meleagrina, Bernard.
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costata, Bernard.
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filholi, Bernard.
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Hochtetteria trapezina, Bernard.
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Mytilus edulis, Linné.
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canaliculus, Martyn.
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magellanicus, Chemnitz.
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Modiolus ater, Frauenfeld.
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Modiolaria impacta, Hermannsen.
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barbata, Reeve.
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(Pecten) Chlamys zelandiæ, Gray.
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gemmulatus, Reeve.
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Lima bullata, Born.
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Ostræ glomerata, Gould.
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Pinna zelandica, Gray.
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Cardita calyculata, Linné.
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Verticipronus mytilus, Hedley.
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Kellya suborbicularis, Montagu.
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Lasea miliaris, Philippi.
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Mylitta slowei, Hutton.
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Erycina parva, Deshayes.
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Tellina alba, Q. and G.
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lactea, Q. and G.
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disculus, Deshayes.
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Mesodesma australis, Gmelin.
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Atactodea subtriangulata, Gray.
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Mactra discors, Gray.
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æquilatera, Deshayes.
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Dosinia subrosea, Gray.
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australis, Gray.
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Chione oblonga, Hanley.
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stutchburyi, Gray.
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costata, Q. and G.
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crassa, Q. and G.
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Tapes intermedia, Q. and G.
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fabagella, Deshayes.
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Venerupis reflexa, Gray.
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Psammobia stangeri, Gray.
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lineolata, Gray.
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Solenotellina nitida, Gray.
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Corbula macilenta, Hutton.
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Saxicava arctica, Linné.
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Myodora striata, Q. and G.
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novæ-zealandiæ, E. A. Smith.
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Addenda
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Trochus oppressus, Hutton.
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Monodonta atrovirens, Phillipi.
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Cantharidus sanguineus elongata, Suter.
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Gibbula tasmanica, Petterd.
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Cyclostrema subtatei, Suter.
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Drillia lyallensis, Murdoch.
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Mitromorpha subabnormis, Suter.
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Mangilia dictyota, Hutton.
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nodicincta, Suter.
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Dosinia cærulea, Reeve.
