U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XXXVIJ 



Fifi. 1. DALL'S HARBOR PORPOISE. 



Phocccna dalUi True. 



(From a drawing by William H. Dall.) 



Fig. 2. BALL'S HARBOR PORPOISE. 

 Phoccena daUii True. 



(From a drawing by William H. Dall of the type-skull, No 21762, in the U. S. National Museum.) 



Genus PHOC/ENA. 



