panamic-pacific pelecypoda 513 



Explanation of Plate 40 

 Hinges of some Panamic-Pacific Veneridae 



Figure Page 



1. Agripoma (Agriopoma) texasiana Dall 278 



Gulf of Mexico. Coll. Mr. C. L. Locklin. 



2. Agriopoma (ritarella) catharia (Dall) 279 



Panama Bay. Shrimpers. Coll. Mr. H. Johnson. PRI 25687. 



3. Lanielliconclia uiiicolor (Sowerby) 289 



Guanico, Panama. PRI 25688. 



4. Lamelliconcha callicomata (Dall) 289 



Panama Bay, Shrimpers. Coll. Mr. H. Johnson. PRI 25689. 



5. Dosina (Dosinidia) ponderosa (Gray) 260 



Venado Beach, Panama Canal Zone. PRI 25690. 



6. Cyelinella saccata (Gould) 263 



Panama Bay, shrimpers, Coll. Mr. H. Johnson. Same specimen as 

 figs. 4, 4a, PI 42. PRI 25691. 



