NO. 15 



SMITHSONIAN EXPLORATIONS, I92I 



29 



Fig. 2q. — Base of skull of mastodon with tusks in position, partially excavated. 

 Curtis Ranch locality. (Photograph by Gidley.) 



Fig. 30. — Searching for small mammal jaws in excavation made in collect- 

 ing one of the mastodon skeletons. Curtis Ranch locality. (Photograph 

 bv Gidlev.) 



