I92I.] 



B. Prashad : Notes on LaincUihrauchs. 



117 



more regularly curved anterior side, (iii) greatly reduced lunules, 

 and (iv) the ridges on the surface more marked than in the typi- 

 cal form, but quite obsolete near the margins. 



Geographical Diityihution. — Hanlev's specimens were collected 

 in Cochin, while in the British ^Museum there are specimens from 

 the ;\Ialabar Coast (precise locality not stated). In the Indian 



Text-fig. 2. — Hinge-teeth of Villorita. Griffith aiui 

 (a) V. cyprinoides (Gray), typical form. 

 ib) V. cypri?toides var. cocln'nensis {H!\n\ey). 

 (r) V. cyprinoides var. delicatnla (Preston), 

 (rf) I', cornucopia, Prashad. 



iluseum there are specimens from Beypore, south end of Vemba- 

 naad Lake, Travancore, and from various backwaters in Travan- 

 core. It appears, therefore, that the range of this variety is the 

 same as that of the typical form of V. cyprinoides. 



The soft parts are similar to that of the typical form. 



