SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 77. NUMBER 4 



AN INTRODUCTION TO THE MORPHOLOGY 



AND CLASSIFICATION OF THE 



FORAMINIFERA 



(With 16 Plates) 



BY 

 JOSEPH A. CUSHMAN 





(Publication 2824) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JULY 21, 1925 



