1917] 



Merriam: Pliocene Mammalian Faunas 



423 



Fig. 1. Outline map illustrating principal occurrences of Pliocene mammal 

 faunas in Tertiary provinces of that portion of United States west of the Wasatch 

 Eange. The most important localities are indicated as follows : I, Idaho beds ; 

 Ir, Ironside Pliocene; Et, Eattlesnake ; T, Thousand Creek; PO, Pinole Tuff- 

 Orinda; ET, Etchegoin-Tulare; C, Chanac; E, Eicardo. 



