panamic-pacific pelecypoda 481 



Explanation of Plate 8 



Figure Page 



1-la. Anadara (Sectarca) conc'nna (Sowerby) 98 



Fig. 1. left valve, length 33.6 mm.; Fig. la, right valve, length 32.3mm. 

 Fort Amador, Panama Canal Zone. PRI 25536. 



2. Anadara (Sectarca) floridana Conrad 97 



Dorsal view of the cardinal area showing the extent of the ligament 

 coverage. Pass-a-Grille, Florida. 



3. Anadara (Caloosarca) notabilis (Roeding) 98 



Hinge and cardinal area. Pass-a-Grille, Florida. 



4. Anadara (Esmerarea) reinliartl (Lowe) 100 



Hinge and cardinal area. Panama. 



5-5b. Anadara (Caloosarca) b'angnlata (Sowerby) 98 



Figs. 5, 5a; length 41.6 mm. E'smeraldas, Ecuador. P'RI 25537; Fig. 5b, 

 Area gordita Lowe, copied after Lowe, 1935. 



6-6a. Anadara (Rasia) emarginata (Sowerby) 91 



Length 39.2 mm. Zorritos, Peru. P'RI 25538. 



7-7c. Lnnarca brevifrons (Sowerby) 101 



Fig. 7, view of hinge and narrow cardinal area; Fig. 7a, length 28.1 

 mm.; Fig. 7b, length 33.2 mm.; Fig. 7c, length 34.6 mm. Tumbez, 

 Peru. PRI 25539. 



8-8a. Anadara (Diluvarca) obesa (Sowerby) 89 



Leng-th 38.5 mm. Tumbez, Peru. PRI 25540. 



