44 NON-MARINE MOLLUSCS OF SURINAM. 
Guyana. 
BOE ame alee E 
GEE EEC IS Other American 
Bl SS) SS ere 
g |: kl 0 dd o + ES ia 
DIA IES AE | ea localities. 
RENE | io) 
- 
Doryssa Jamarckiana Brot. | + | 
Doryssa atra Rich. | + | eae + 
Doryssa devians Brot. | 
Doryssa gracilis Vernh. 
Doryssa kappleri Vernh. | 
Doryssa guyanensis Vernh. | 
Doryssa hohenackeri Phil. | +)? | | 
Hemisinus lineolatus Gray Re + 
Diplodon voltzi Vernh. . | | | 
Castalia sulcata Krauss. paras Line eect | 
Castalia ambigua Lam. je kee | “+ 
Corbicula surinamica Cless. Leal 
Corbicula rotunda Prime . | | | 
Cyrena ordinaria Prime | le! 
Iphigenia brasiliensis Lam. | NEN 
Ostrea parasitica Gomel. | + 
Notes from the Leyden Museum, Vol. XXXVI. 
