SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 104 



THE FORAMINIFERA OF THE 

 ATLANTIC OCEAN 



Part 4. LAGENIDAE 



BY 



JOSEPH AUGUSTINE CUSHMAN 

 Oj the Boston Society of Natural History 





PER\ 



yOKE 





WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1923 



