HBLICID*. 215 



Genus CAMPTONYX, Benson (type C. thedbaUi, 

 Bens.). 



I do not find the gernis in Cams and Gerst. ; probably 

 they follow Fischer in ilniting the genus to Valenciermeda, 

 Eouss. (very doubtful in my opinion) ; it is rather an allied 

 form to the Bourbon Lanzia, Jouss. Woodward classed the 

 genus in the Otinimm'). i 



1. Camptonyx tlieobaldi, Benson. 



13 Gimar Hills, Kattywar; coll. W. Theobald, Esq. 



Genus CAMPTOCERAS, Benson (typfe G. terebra). 



From the recorded habits of this MoUusk, as also from 

 the characters of the shell itself, I feel convinced Ga/mptoceras 

 win prove to be a sinistral form, closely allied to Succinea, 

 not connected at all with Physa, with which it has hitherto 

 been ranked. 



1. Camptoceras austeni, H. F. Bianford. 



8 Mymensing, Dacca; coll. Major H. H. Godwin-Austen. 



2. Camptoceras lineatus, H. F. Bianford. 



2 Mymensing, Dacca; coll. Major H, H. Godwin- Austen. 



Genus AMPHIBULINA, Lam. (type A. pcutula). 

 Sub-Genus PELLICULA, Pisoh. (type C. depressa, Morch). 



1. AmpMbulima (Pellicula) appendiculata, Pfr. 



1 Guadaloupe ; ex c. Prof, W. Tf ewcomb. 



Genus SmPULOPSIS, BecZ;. (type <S. wZwZosa, Fer.). 



1. Simpulopsis rufovirens, Moric. 



a Bahia (typical) ; coll. Mr. Moricand, ex c. A. Morelet, Esq. 



2. Simpulopsis braziliana, Moric. 



2 Brazil; ex c. Prof. W. Newcomb. 



