New York State Museum. 27 



" Cardita turgida," Panama, one specimen. 



Unio coiTugatus, Retz, one specimen. 



Unio gracilis, Barnes, one specimen. 



Unio plicatns, LeS., Ohio R., near Pittsburg, Pa., one specimen. 



Unio trapezoides. Lea., one specimen. 



Unio metanevrns, Raf., Monongahela R., near Pittsburg, Pa., one 



specimen. 

 Unio cylindricus. Say, one specimen. 

 Unio crassidens. Lam., Ohio River, one specimen. 

 Unio ovatus, Say, Ohio R., near Pittsburg, Pa., one specimen. 

 Unio rubiginosus. Lea., one specimen. 



Unio clavus. Lam., Ohio R., near Pi-ttsburg, Pa., one specimen. 

 Unio ligamentinus. Lam., Ohio R., near Pittsburg, Pa,, three specimens. 

 Unio hiteolus. Lam., one specimen. 



Unio complanatus, Solander, Connecticut R., Hartford, two specimens. 

 Unio retusus. Lam., one specimen. 



Unio rectus. Lam., Ohio R., near Pittsburg, Pa., one specimen. 

 Unio Shepardiauus, Lea., one specimen. 

 Unio Anodontoides, Lea., two specimens. 

 Unio teres, Conr. (=Unio anodontoides. Lea), one specimen. 

 Unio nasutus. Say, Connecticut R., Hartford, one specimen. 

 Unio nasutus. Say, Mill R., Conn., one specimen. 

 Unio purpur^tus. Lam., two specimens. 

 Unio sp.? Bengal, two specimens. 

 Unio sp.? Bengal, two specimens. 

 Unio, Bengal, one specimen. 



Anodonta cygnea. Lam., Canals, Scotland, one specimen. 

 Anodonta fragilis. Lam., one specimen. 

 Anodonta crassa, Swainson, Rio de la Plata, one specimen. 

 Yoldia Arctica, Gray, Portland, Me., four specimens. 

 Anomalocardia subrugosa, Sowb., Panama, one specimen. 

 Mytilus grandis, I. of Santa Maria, Chile, one specimen. 

 Mytilus Sp.? Panama, one specimen. 

 " Modiola damissa," three specimens. 

 Modiola Sp.? 10-f- specimens. 

 Perna ephippium, Sandwich Is., one specimen. 

 Pinna Sp.? one specimen. 

 Ostrea crista-galli, four specimens. 

 Scurria zebrina, Less., I. of Santa IVIaria, Chile, thirty-nine specimens. 



