SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 93, NUMBER 5 



NOMENCLATURE OF SOME CAMBRIAN 

 TRILOBITES 



BY 

 CHARLES ELMER RESSER 



Curator, Division of Invertebrate Paleontology, 

 U. S. National Museum 



(Publication 3295) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



FEBRUARY 14, 1935 



