SMITHSONIAN INSTITUTION, 



QNITED STATES NATIONAL MUSEUM. 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM, 



No. 36. 



CONTRIBUTIONS TO THE NATURAL HISTORY OF THE CETACEANS, 

 A REVIEW OF THE FAMILY DELPHINID.^. 



BY 



FRKDERICK W. TRUE. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1889. 



