6G4 



GKOLOGICAL SURVEY OF THE TERRITORIES. 



]jc(j)^ — Head of Arkansas River; aloug the Rocky Moimtains to So- 

 Tiora; northward to Idaho Territory. 



SpermopMlufi latcralifi, Rich, (Say's striped squirrel:) 



jtlab. — Rociiy Mountains to Cascades, and between about latitude 38° 

 2ij' to latitude 420. 



SpcrmnpMlns mollis, Kennicott: 



Hah. — Rocky Mountain region. 



Spermopliilus tonmsendii, Bach., ( Towusend's spermophile :) 



Hal). — Rocky Mountains, to the north. 

 Arctomysflaviventer, Bachmau, (yellow-footed marmot:) 



Hab. — Black Hills, Nebraska. 



