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SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 73 



AN ACCOUNT OF THE BEAKED WHALES OF THE FAMILY 

 ZIPHHD.E IN THE COLLECTION OF THE UNITED 

 STATES NATIONAL MUSEUM. WITH RE- 

 MARKS ON SOME SPECIMENS IN 

 OTHER AMERICAN MUSEUMS 



BY 



FREDERICK W. TRUE 

 Head Curator, Dc-partiiient of Biology, U. S. NaliuJial Museum 





WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1910 



Se^:^ -^^z 



REMINGTON KELLOGG 



LIBRARY OF 



MARINE MAMMALOGY 



SMITHSONIAN INSTITUTION 



