SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 91, NUMBER 13 



Johnson Jfunb 



REPORTS ON THE COLLECTIONS OBTAINED BY THE FIRST 



JOHNSON-SMITHSONIAN DEEP-SEA EXPEDITION 



TO THE PUERTO RICAN DEEP 



A NEW GENUS OF BRITTLESTARS 

 FROM PUERTO RICO 



(With One Plate) 



BY 



AUSTIN H. CLARK 



Curator, Division of Echinodernis, 



U.S. National Museum 



(Publication 3248) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MAY 21, 1934 



