Inhabits the rivers of India. It is rather thicker than most of the others, and the umbilicus nearly obsolete.


PALUDINA unicolor,
Olive River Snail—side figures.

P. testâ subventricosâ, totâ olivaceâ; apice acuto; spiræ et aperturæ longitudine æquali; umbilico clauso.

Shell subventricose; uniform olive; apex of the spire acute; aperture and spire of equal length; umbilicus closed.

Distinguished from the Helix vivipara of authors, by having a less convex, and more pointed spire, hardly any umbilicus, and no bands. Inhabits China.


PALUDINA carinata,