SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 93, NUMBER 8 



THE CLASSIFICATION OF THE 

 EDRIOASTEROIDEA 



(With One Plate) 



BY 

 R. S. BASSLER 



Head Curator, ]5epaitment of Geology, 

 U. S. National Museum 







(Publication 3301) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



APRIL 4, 1935 



