SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 98, NUMBER 11 



ECHINODERMS (OTHER THAN HOLOTHURIANS) 



COLLECTED ON THE PRESIDENTIAL 



CRUISE OF 1938 



(With Five Plates) 



BY 

 AUSTIN H. CLARK 



Curator, Division of Echinoderms, 

 U. S. National Museum 



(Publication 3536) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE22, 1939 



