t^^l

64 TIAEID^.—LITTORSID^.
130. Paludomus (Stomatodon) stomatodon, Benson.
Paludomus (Stomatodon) stomatodon, Benson, A. M. N. H. ser. 3,
X, 1802, p. 4U (as ? Tanalia) ; H. & T., 0. I. pi. 108, fig. 1.
Original description:—Testa ovato-globosa, solida, lasviuscula
(juniorum polita), striis spiralibus obsoletis induta, oliraceonigrescente
; spira brevi erosa, sutura impressa; anfractibus 3
superstitibus, siiperioribus convexiusculis, ultimo convexo;
apertura ovato-acuta, albida, intus deiiium angustiore, sinuata;
peristomate integro, margins dextro basalique acnto, columellari
late calloso, infra latiore, subito intus trimcato, dente prominente
crasso munito,
Alt. 14, diam. 12 inm.
Hub. Mountain streams near Cottyam, Travancore.
" . . . . There is some resemblance in this shell to Neritind, for
which genus a specimen might, on a cursory glance, be taken.
The upper part of the columellar callosity exhibits in some
specimen.s a blackish-brown tint, snd a patch of the same colour
may occasionally be observed at the base, in the interior of the
aperture, the throat of which is tinged with violet and purple and
presents a minutely corrugate surface."
Family LlTTORNIDiE.
Subfamily CREMNOCONCHINiE.
Shell ovate, depressedly turbinate, with large aperture.
Bistrihution. S. Asia. * '
Genus CREMNOCONCHUS.
Cremnobates, Blanford, A. M. N. H. ser. 8, xii, 1860-, p. 18"4.
Cremnoconchns, Blanford, A. M-. N. II. ser. 4, iii, 1869, p. 343.
Ti'PE, 0. syliadrensis, Blanford ; Western India-.
Eange. W.India; Tonkin.
Original description :—Testa perforata, .turbinato - globosa,
costulata. Apertura mediocris, subovata; peristomatis margine
dextro simplici, columellari vix calloso. .
Operculum tes^aceum, subovatum, paucispirale ; nucleo sinistro';
margine membranaceo.
Animal (pulrooniferum ?) parvum ; tentaculis duobus brevibus
subulatis, oculos in lobis tumidis ad basin gerentibus prseditllm.
Pes brevis, rotundatus. Proboscis brevis.