EXPLANATION OF PLATE 62 



All figures approximately natural size 



Fig. 1. Panope generosa Gould. Left valve. Longitude, 106 mm. 



Fig. 2. Pliacoides richthofeni Gabb. Left valve. Longitude, 18 mm. 



Fig. 3. Pliacoides tenuisculpta Carpenter. Eight valve. Longitude, 6 mm. 

 Enlarged nearly twice natural size. 



Fig. 4. Acila conradi Dall. Left valve. Longitude, 14 nun. 



Fig. 5. Sanguinolaria alata Gabb. Left valve. Longitude, 60 mm. 



Fig. 6. Diplodonta orbella Gould. Right valve. Longitude, 21 mm. 



Fig. 7. Midi iiia pabloensis Packard. Left valve. Longitude, 93 mm. 



L554] 



