GASTROPODA, SOLENbCONCHiE. MolL 79 
Mauritius. C. (0.) seycJiellense, sp. n., Seychelles, Nevill, Handl. Ind. 
Mus, pp. 307 & 308. 
Cyclostoma anceps, sp. n., Martens, MB. Ak. Berl. 1878, p. 288, pi. i. 
fig. 4, Taita, near Zanzibar. 
Pomatias tergestinus, Trieste, and plumheus, “ Carinthia, Carniola, 
Istria, Austria, Italy, Hungary”; Westerlund, Nachr. mal. Ges. 1878, 
p. 109. 
Pomatias hidalgoi, var. n. lahurdensis^ Folin & Berillon, Contrib. ^ la 
faune malacol. S. O. France, Dax, 1876, Pyrenees. 
Pomatias cassiniacus^ sp. n., St. Simon, in Paulucci’s Mat^riaux, &c., 
and JB. mal. Ges. v. p. 359, Monte Cassino, Naples. 
Qmphalotropis aurantiaca (Desh., as Cyclostoma') lives in Mauritius ; 
Nevill, J. de Conch, xxvi. p. 61. 
Omphalotropis dupontiana, sp. n., id. Handl. Ind. Mus. p. 320, Pouoe 
Mount, Mauritius, seraifossil. 
Teuncatellidjj. 
Acme cryptonema, sp. n., Folin & Berillon, op. cit. fasc. ii. Bayonne, 
1877, J. de Conch, xxvi. p. 195, Pyrenees. 
Acmella rcepstorffiana^ Nicobar Islands, and moreletiana, Batti Malve, 
spp. nn., Nevill, Handl. Ind. Mus. pp. 251 & 252. 
Truncatella punctata and microlena (Bourguignat, MS.), Monterosato, 
J. de Conch, xxvi. p. 321, Coast of Algeria ; T. suhsulcata and cerea, 
Gassies, J. de Conch, xxvi. pp. 338 & 339, New Caledonia : spp. nn. 
Truncatella valida (Pfr.), var. minor and parcicostuta, P distinct species, 
various parts of the shores of the Indian Sea ; Nevill, Handl. Ind. Mus. 
p. 254. 
Assimineid^. 
Assiminea adriatica, sp. n., Clessin, Mal. Bl. xxv. p. 119, pi. iv. fig. 6, 
Gorz. 
HeLICINIDJ3. 
Helicina undulata, sp. n., Morelet, J. de Conch, xxvi. p. 172, Mauritius, 
extinct. 
Helicina colomhia\j-hice^ or ’hiana\ sp. n., E. A. Smith, Ann. N. H. (5) 
ii. p. 483, New Granada. 
SOLENOCONOHJE. 
G. O. Sars regards this division as a class, and divides it into two 
orders, viz. : — 
1. ScAPHOPODA. Posterior aperture of the shell entire or with a 
ventral slit, provided with a supplementary tube. Foot trilo- 
bate. Edge of the lateral plates of the radula indistinctly 
dentate. 
Gen. Antalis (Aldrovandi) [ante-Linngean] = Dentalium, 
auctt., pt. 
