512 BULLETIN 58^ UNITED STATES NATIONAL MUSEUM. 



Figs. 396-399.— Eretmochklys imbricata. ?> X nat. size. 396, shell from below, j X nat. size. 

 397, TOP OF head; 398, side of head; 399, right fore flipper, dorsal view; (No. 25645); 

 U.S.N.M. 



