SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE 



VOL. XXXIII. 



THE WHALEBONE WHALES 



OF THE 



WESTERN NORTH ATLANTIC 



COMPARED WITH THOSE OCCURRING IN EUROPEAN WATERS 



WITH SOME OBSERVATIONS ON THE SPECIES 



OF THE NORTH PACIFIC 



BY 



FREDERICK W. TRUE 



HEAD CURATOR, DEPARTMENT OF BIOLOGY, UNITED STATES NATIONAL MUSEUM 



(No. 1414) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1904 



