192 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 23 



PLATE 8 



Fig. 1. Cyclopecten liriope (Ball), 1908. Lectotype, Albatross sta- 

 tion 3392, Gulf of Panama, in 1270 fathoms. Height: 7.5 

 mm; length: 8 mm. (U.S. National Museum collection, 

 no. 122869. Photograph by F. B. Kestner, U.S.N.M.) P. 



Fig. 2. Cyclopecten bistr'iatus (Dall), 1916. Paratype. U.S. Bur. 

 Fish, station 2923, off San Diego, California, in 822 fathoms. 

 Height and length: 7 mm. (U.S. National Museum collec- 

 tion, no. 609943. Photograph by F. B. Kestner, U.S.N.M.) 

 P. 



