



UNITED STATES NATIONAL MUSEUM 

 BULLETIN 82 



A MONOGRAPH 

 OF THE EXISTING CRINOIDS 



BY 



AUSTIN HOBART CLARK 



AND 



AILSA McGOWN CLARK 



VOLUME 1 

 THE COMATULIDS 



PART 5 SUBORDERS OLIGOPHREATA (Concluded) 

 AND MACROPHREATA 



SMITHSONIAN INSTITUTION 

 WASHINGTON, B.C. 



