514 axel a. olsson 



Explanation of Plate 41 

 Hinges of some Panamic-Pacific Veneridae 



Figure Fage 



1. Prototliaca (Protothaca) thaca (Molina) 304 



Length 55 mm. Lima, Peru. PRI 25692. 



2. Colonche ecuadoriana, new species 311 



Falmito, the port of Colonche, Ecuador. ANSP'. 



3. Paphonotia elliptica (Sowerby) 312 



Lobitos, Peru. 



4. Chioiie (riiione) compta (Broderip) 294 



Bayovar, Sechura, Peru. PRI 25693. 



5. Chione (Lirophora) kellettii (Hinds) 296 



Panama Bay. Shrimper trawlers. PRI 25694. 



6. Jfotochione columbiensis (Sowerby) 303 



Right valve, San Carlos, Panama. PRI 25695a; left valve, Lobitos, 

 Peru. PRI 25695b. 



7. riiionopsis amathasia (Philippi) 299 



Panama Bay. Shrimpers. PRI 25696. 



