NON-PULMON A RY GASTEROPODS. 
421 
branching line above ; the interior is violet colour, with thirty-six teeth 
0Q °ue side and forty -two on the other. It belongs to the Indian Oeean. 
-fhe Harlequin Porcelain, Cyprsea histrio (Figs. V. and YI.), from 
217. Cypraat Figs. 24 8 and 249. Cyprsea testudlnaria (IjinntBUs). 
cupensis (Gray). 
^ le coast of Madagascar, is ornamented with white spots very closely 
arranged, and much circumscribed above, with black spots upon the 
^ides. The under side is violet. 
. Very fine species, which is very common in collections, is found 
111 ^he Indian Ocean, from Madagascar to the Moluccas — the Tiger 
