U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XXVII 



Fig. 1. Lage)iorhynchus obliqnidens Gi\l. 



(From Scammon, Marine Mammalia, 1874, pi. 19, fig. 2.) 



Fig. 2. Lagenorhynchiis obliquidens Gill. 



(From the type-skull. No. 1963, in the U. S. National Museum.) 



Genus LAGENORHYNCHUS. 



