CONTENTS. XI 



Pase. 

 3. Stoue impleiueuts (j51 



Fig. 3. Flake of gray and black striped jasper. 



Fig. 4. Flake of brownish-yellow jasper. 

 9. Stone implements , 6.53 



Fig. 5. Flake of black fliut. 



Fig. 6. Implement of yellowish flint. 



Fiff. 7. Flake of brownish-black flint. 



10. stone implement 653 



Fig. 8. Chipiied stone of cbocolate-browu quartzite. 



11. Stone implement 655 



Fig. 9. Chipped stone of gray flint or jasper. 



12. Stone implements 655 



Fig. 10. Flake of brownish-black flint. 



Fig. 11. Flake of black flint. 



Fig. 12. Flake of gray jasper. 



Fig. 13. Modern stone implement of gray quartzite. 



MAPS. 



1. Map of the mining regions of Clark's Fork of the Yellowstone 47 



2. Map of Lake Henry and the sources of the West Fork of Snake Riyer 56 



A. Mai) of Cliff (or Wade's) Lake 61 



4. Map of the Shoshone Geysers , . 244 



5. Map of the sources of Snake Ri ver 255 



DIAGI5AMS. 



Diagram illustrating the phylogeuy of the Mammalian orders 648 



Diagram illustrating the phylogeny of the Testudiuata 649 



Diagram showing the curves of the horary oscillations of the barometer at Fort 



Hall 816 



