()32 



REPORT OF NATIONAL MUSEUM, 1888. 



Fig. 3. 

 Black Flint. 



(Wyoming Territory. Collected by Dr. Joseph Leidy. ) 



Fig. 4. 

 Beownish-tellow Jasper. 



(Wyoming Territory. Collected by Br. F. V. Hayden.) 



These two implements* came from the Bridger Basin in the Uintah 

 Mountains in southwestern Wyoming and Northern Utah, explored 

 by Professor Hayden and Dr. Joseph Leidy. Keport of the U. S. Geo- 

 logical Survey, 1872, p. 652. 



See Figs. 3, 4. 



