Ci.rcu.v^tiri§ Copy 



SMITHSONIAN INSTITUTION 

 UNITED STATES NATIONAL MUSEUM 



Bulletin 104 /^^ lilHSOjr/4/ 



THE FORAMINIFERA O 

 ATLANTIC OCEAN 



Part 8. ROTALIIDAE, AMPHISTEGINIDAE, CALCARINIDAE 



CYMBALOPORETTIDAE, GLOBOROTALIIDAE, ANOMALINIDAE 



PLANORBULINIDAE, RUPERTIIDAE 



AND HOMOTREMIDAE 



BY 



JOSEPH AUGUSTINE CUSHMAN 



Oj Sharon, Massachusetts 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON: 1931 



For sale by the Superinteadent of Docomenu, Washington, D. C. 



Price 65 cent* 



