288 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 23 



PLATE 56 



Pecten (Oppenhe'imopecten) galapagensis sp. nov. Hancock expedi- 

 tions station 157-34, Tagus Cove, Albemarle Island, Galapagos Is- 

 lands, in 10-18 fathoms. Height: 44 mm; length: 49 mm. (Hancock 

 Foundation collection.) P. 



