SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 85, NUMBER 3 



ADDENDA TO DESCRIPTIONS OF 

 BURGESS SHALE FOSSILS 



(With 23 Plates) 



BY 



CHARLES D. WALCOTT 



(With Explanatory Notes by Charles K. Resser) 





(Publication 3117) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 29, 1931 



