PANAMIC-PACIFIC PELECYPODA SOS 



Explanation of Plate 32 



Figure Page 



1-lb. Diplodonta (Felaniella) cornea (Reeve) 203 



Fig. 1, enlargement of hinge; Fig. la, length 18.8 mm.; Fig. lb. 

 length 17.7 mm. Tumbez, Peru. PRI 25662. 



2-2b. Diplodonta (Diplodonta) suprema, new species 201 



Fig. 2, enlargement of hinge of the holotype; Fig. 2a, 2b, length 

 37.5 mm. Palo Seco, Panama Canal Zone. HJolotype, ANSP. 



3-3c. Phlyctidei-nia semiaspera (Philippi) 204 



Fig. 3, enlargement of hinge of left valve; note the deep immersion 

 of the ligament; Fig. 3a, length 21.4 mm.; Fig. 3b, length 21.2 

 mm.; Fig. 3c, length 14 mm. Manta, Ecuador. PRI 25653; Fig. 3d, 

 manuscript drawing, Carpenter, Mazatlan. USNM. 



4-4a. Diplodonta (Felaniella) tellinoides (Reeve) 203 



Fig. 4, length 20.7 mm.; Fig. 4a, length 21 mm. Tumaco, Colombia. 

 PHI 25654. 



5. Plilyctiderma orbella (Gould) 204 



Length 15.3 mm. Mission Bay, San Diego, California. Coll. T. 

 Burch. PRI 25655. 



6-6a. Phlyctidemia elenensis, new species 205 



Length 9.1 mm. Santa Elena, Ecuador. Holotype, ANSP 218936. 



7-7a. Diplodonta (Diplodonta) discrepans Carpenter 202 



Fig. 7, length 16.6 mm. Isla del Gallo, Colombia. PRI 25656; 

 Fig. 7a, manuscript drawing, Carpenter, Mazatlan. USNM. 



8. Diplodonta sp 201 



Length 17.2 mm. Bucaro, Panama. 



9. Phlyctidenna insula, new species 205 



Length 9.1 mm. Santa Elena, Ecuador. Holotype, ANSP 218937. 



