.. . '^ 



SMITHSONIAN INSTITUTION, 



r.N'ITED .STATES NATIONAL MllsEUM. 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM. 



No. 36. 



CONTRIBUTIONS TO THE NATURAL HISTORY OF THE CETACEANS, 

 A REVIEW OF THE FAMILY DELPHINID.^. 



BY 



FREDERICK W. TRUE. 



WASHINGTON: 



GOVERNMENT FEINTING OFFICE. 

 18 89. 



