SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 97, NUMBER 12 

 (End of Volume) 



THE SPENCE SHALE AND ITS FAUNA 



(With Six Plates) 



BY 



CHARLES ELMER RESSER 



Curator, Division of Stratigraphic Paleontology, 

 U. S. National Museum 



(Publication 3490) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JANUARY 20, 1939 



