MARINE MOLLUSKS OF THE GALAPAGOS 123 



Chione undatella (Sowerby) 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 7 valves; South 

 Seymour Island, Loc. 27255A (C.A.S.), 8 valves. 



Gouldia californica Dall 

 Locality: Indefatigable Island, Loc. 27232 (C.A.S.), 5 valves. 



Transennella galapagana Hertlein & Strong 



Locality: Indefatigable Island, Loc. 27232 (C.A.S.), several hun- 

 dred specimens. 



Family Tellinidae 

 Tellina {Moerella) amianta Dall 



Locality: Indefatigable Island, Loc. 27232 (C.A.S.), 10 specimens 

 (both valves together) and 30 single valves. 



The present specimens are juvenile shells which closely resemble 

 Tellina amianta Dall. 



Tellina (Elliptotellina) pacifica Dall 



Locality: Indefatigable Island, Loc. 27232 (C.A.S.), 4 speci- 

 mens (both valves together) and 25 single valves. 



Tellina sp. 

 Locality: Indefatigable Island, Loc. 27232 (C.A.S.), 5 valves. 



Apolymetis cognata (Pilsbry & Vanatta) 

 Plate A, Figs. 14, 15, 16 

 Locality: Albemarle Island, Loc. 27221 (C.A.S.), 24 valves. 



Family Semelidae 



Semele corrugata (Sowerby) 

 Locality: South Seymour Island, Loc. 27255A (C.A.S.), 1 valve. 



Semele punctata (Sowerby) 

 Locality: Albemarle Island, Loc. 27221 (C.A.S.), 1 valve. 



Semele (Elegantula) rupium (Sowerby) 

 Amphidesma rupium Sowerby, Conch. Illustr., Amphidesma, Cat. 



