MANUAL OF THE MOLLUSCA. 
Distribution, 14 species. Australia, Borneo, Philippines, China, 
Cuba. 
BLAUNERIA, Shuttleworth, 1854. 
Dedicated to M. Blauner. 
Type, B. pellucida. Cuba, Jamaica, Florida, and Porto Rico. 
Shell somewhat resembling Achatina, imperforate, oblong- 
turreted, thin; aperture narrow, elongated; body of the penul- 
timate whorl bearing a single plait near the columella, which is 
rather truncated; peristome simple, straight. 
Animal showing the characters of the family of the Auriculide, 
not of Helicide. 
_ Distribution, 2 species. West Indies, Sandwich Islands. 
StoLtipomA, Deshayes, 1864. 
Type, S. crassidens, Deshayes. 
Shell oblong, turriculated, subcylindrical; apex obtuse, 
smooth polished; aperture elongated, obliquely inflected, 
narrowed behind, widened in front; columella straight, with 
a large median plait, compressed, and slightly oblique. 
Distribution, 8 species. Eocene. Paris basin. © - 
The shells of this genus are Awricule, with a single columella- 
plait, without teeth or plications on the right lip. 
CARYCHIUM (see p. 305). 
ZOSPEUM, Bourguignat, 1860. 
Shell like Carychium ; tentacles four; eyes absent. 
Distribution, 11 species. Inhabiting the subterranean grottoes 
of Carniola. The animal is most active during the winter, at 
which time they propagate. 
OTINA (see p. 238). 
This genus is the type of a sub-family which has nearly the 
- same relation to Auriculine as Ancylus to Limnea. 
Distribution, 3 species. Britain, United States, Benguela. 
FAMILY V1.—CycLosTOMIDz.* 
CycLosToMa (see p. 306). 
Sub-genus :—Cyclotopsis, Blanford, 1864. 
Type, C. semistriatus, Sow. 
Shell umbilicated, depressed, spirally striated; aperture 
subcircular-; operculum concentric, multispiral, internally 
membranous, externally shelly ; margins of the whorls raised. 
Distribution, 5 species. India, Seychelles, Mauritius. 
* See p. 306, 
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