33 



NEBRASKA 

 GEOLOGICAL SURVEY 



ERWIN HINCKLEY BARBOUR, State Geologist 

 VOLUME 4 



PART 1 



MAMMALIAN FOSSILS FROM DEVIL'S GULCH 



BY 



ERWIN H. BARBOUR 



GEOLOGICAL COLLECTIONS OF HON. CHARLES H. MORRILL 

 REPRINT FROM THE UNIVERSITY STUDIES 



191 B 



