UNITED STATES NATIONAL MUSLIM 

 BULLETIN 82 



A MONOGRAPH OF THE EXISTING CRINOIDS 



BY 



AUSTIN HOBART CLARK 









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VOLUME 1 



THE COMATULIDS 



PART 4a. SUPERFAMILY MARIAMETRIDA (except the family 

 Colobometridae) 



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SMITHSONIAN INSTITUTION 



WASHINGTON 



D. C. 



