

SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 75 



NORTH PACIFIC OPHIURANS IN THE COLLEC- 

 TION OF THE UNITED STATES 

 NATIONAL MUSEUM 



BY 

 HUBERT LYMAN CLARK 



of Comparative /.oology, Cambridge, Mass. 



/ 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1911 



