196 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 23 



PLATE 10 



Fig. 1. Pecten (?var.) squarrosus Carpenter, 1865. Syntypes. 

 "... 'Sta. Barbara.' Also and really Florida. . . ." Speci- 

 men on left: height: 46 mm; length: 45 mm; diameter: 12 

 mm. Specimen on right: height: 21 mm; length: 18 mm; 

 diameter: 4.5 mm. (Redpath Museum collection; photo- 

 graphed there.) P. 



Fig. 2. Cyclopecten acutus sp. nov. Holotype. Hancock expeditions 

 bottom sample 584, off Gorgona Island, west Colombia, in 

 32 fathoms. Height and length: 3.75 mm. (Hancock Founda- 

 tion collection. Photograph by R. V. George.) P. 



