480 axel a. olsson 



Explanation of Plate 7 



Figure Page 



1-lc. Anadara (Grandiarca) grandis (Broderip and Sowerby) 93 



Fig. 1. right valve, exterior, length 93.3 mm. Puerto Pizarro, Peru. 



PRI 25531 ; Fig. la, right valve, interior, lengtli 107 mm. Puerto 



Pizarro, Peru PRI 25562; Fig. lb, left valve, interior, length 81.7 



mm.; Fig. Ic, dorsal view of same shell. Portete, Ecuador. PRI 



25533. 



2-2a. Anadara (Diluvarca) similis (C. B. Adams) 88 



Length 58 mm. Guayaquil, Ecuador, (market) PRI 25534. 



3-3a, Anadara (Diluvarca) tuberculosa (Sowerby) 87 



Length 62.3 mm. bua, Ecuador. PKl 25535. 



4. Anadara (Rasia) formosa (Sowerby) 91 



Length 68 mm. Panama Canal Zone Coll. Mr. Lee Beil. 



5. Anadara (Larkinia) mnltlcostata (Soweby) 92 



Length 81.5 ram., height 71.5 mm., diameter 62.4 mm. T. B. Wilson. 

 ANSP 42941. 



