MAMMALS 331 



S. g. anihonyi (Mearns). Color gray, suffused with yellowish-brown : 

 Laguna Mountains, southern California. 



5. g. nigripes (Bryant). Color much darker; upper surface of feet 

 blackish: coast region south of San Francisco. 



6'. aherti Woodhouse. Tufted ear squirrel. Color gray with a 

 broad reddish dorsal band; white beneath, with a black or reddish line 

 separating the gray from the white; ear long and pointed, terminating 

 with a long black tuft; length 525 mm.; tail 220 mm.; hind foot 73 mm.: 

 northern Arizona and New Mexico and Colorado; in coniferous forests; 

 Transition zone. 



Subspecies of S. aberli 



S. a. aberti Wood. Mountains of northeastern Arizona and western 

 New Mexico. 



5. a. ferrcus True. Size smaller; no reddish dorsal band: northern 

 Colorado. 



5. a. minius Merr. Reddish dorsal band absent; size smaller: 

 southwestern Colorado; northern New Mexico. 



5. kaibabensis Merr. Similar to S. aberti; belly black; 2 annual 

 litters of 3 or 4 each: north of the Grand Canyon, Arizona. 



S. niger L. Fox squirrel (Fig. 1 80) . Color reddish brown above and 

 rusty or rusty white beneath; rarely (in the south) black; tail long and 

 bushy; length 675 mm.; tail 300 mm.; hind foot 87 mm.; weight 2 or 

 3 lbs. ; usually i litter a year of 2 to 4 young : eastern and central States ; 

 westward to the eastern border of the Great Plains. 



Subspecies oj S. niger 



S. n. niger L. Color more grayish varying to black; nose and ears 

 white: southeastern States, east of the Alleghenies; north to Virginia. 



S. n. neglectus (Gray). Color more reddish: southern New York 

 and New England to central Virginia. 



5. n. rufiventer (Geoffrey). Size smaller; length 540 mm.; color 

 deeper ferruginous: Mississippi Valley from the Alleghanies to the 

 Great Plains; southward to northern Louisiana. 



5. n. texiamis (Bachman). Length 625 mm.; colors pale: coast 

 region of Mississippi and Louisiana. 



S. apache Allen. Color of the fox squirrel; upper surface with a 

 broad dorsal band, which may be obscured in the summer; length 554 

 mm.; tail 279 mm.; hind foot 77 mm.: southern Arizona and Mexico; 

 Transition zone. 



