﻿SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 127 (IN TWO PARTS), PART II 



Cfjarle* B. an& jffilarp Uaux OTalcott 



CHAZYAN AND RELATED 

 BRACHIOPODS 



Part II, Plates 



(With 269 Plates) 



By 

 G. ARTHUR COOPER 



Curator of Invertebrate Paleontology and Paleobotany 

 United States National Museum 





(Publication 4253) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 12, 1956 



