COTTONTAIL 



Transition and upper half of Upper Sonoran Zone." 

 (Nelson) 

 Rocky Mountain Cottontail. — Sylvilagus nuttalli ptnetis (Allen). 

 Resembling typical nuttalli in color but larger; darker than 

 grangeri. Upperparts creamy buff to dark pinkish buffy, 

 but always washed with black to give impression of darker 



Fig. 107. Distribution of the subspecies of Sylvilagus nuttalli^ 

 after Nelson 



1. Sylvilagus nuttalli nuttalli 



2. Sylvilagus nuttalli grangeri 



3. Sylvilagus nuttalli pinetis (the artist has departed somewhat from 



Nelson and the southwestern area of this figure should reach only 

 slightly south of the three detached areas) 



color. Total length, 15-16 inches; tail vertebras, 2.4 inches; 

 hind foot, 3.8 inches; ear from notch, 2.5 inches. Found in 

 "Pine forests of mountains from central Arizona and middle- 

 western New Mexico, north through Colorado except north- 

 western comer. Vertical range in Colorado and New 



499 



