U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XLIV 



Fig. 1. Pseudorca crassidens {Oyfen). 



(From Reinhardt, Pseudorca crassidens, Ray Society, 1866, p. 191.) 



Fig. 2. Pseudorca crassidens (Owen). 



(From Van Bened^n and Gervais, Osteographie des Cetaces, 18f 



79, pi. 50, fig, 7.) 



Genus PSEUDORCA. 



