SIWITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 89. NUMBER 10 



STUDIES OF AMERICAN SPECIES OF 



FORAMINIFERA OF THE GENUS 



LEPIDOCYCLINA 



(With 32 Plates) 



BY 



THOMAS WAYLAND VAUGHAN 



Scripps Institution of Oceanography 



La Jolla, California 



(Publication 3222) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



DECEMBER 4, 1933 



