

SMITHSONIAN INSTITUTION 

 UNITED STATES NATIONAL MUSEUM 



Bulletin 75 



7 





NORTH PACIFIC OPHIURANS IN THE COLLEC- 

 TION OF THE UNITED STATES 

 NATIONAL MUSEUM 



BY 



HUBERT LYMAN CLARK 



Museum <>f ('omparatire Zoology, Cambridge, Jfass 







/. fCYl* ' CAtT^ev 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1911 



