/\ 



131 



riL-i^^r^mmmm to the natohal history of the cetaceans. 



W^ 



A REVIEW 



OF THE 



FAMILY DELPHINID^. 



FREDERICK W. TRUl:. , 



Curator of Ihc Department of ^lammals, United States National Museum. 



AVITII FORTY-SEVEN PLATES. 





WASHINGTON: 



GOVERN?.IENT PRINTING OFFICE. 



I 8 .^ . 



