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 E. Resser)
(Publication 3117)
CITY OF WASHINGTON
PUBLISHED BY THE SMITHSONIAN INSTITUTION
JUNE 29, 1931