340 VERTEBRATE ANIMALS OF THE UNITED STATES 



S. d. cascadensis Allen. Size large; tail fringe white: Cascade 

 Mountains. 



S. d. alholimbatus Allen. Tail fringe white; belly buff; size large: 

 Sierras of northern California; southeastern Oregon. 



5". carolinensis Gmelin. Gray squirrel (Fig. 179). Color gray 

 above with a rusty middorsal region and white beneath; the melanistic 

 color phase not uncommon in many localities; tail very long and bushy, 

 edged with white; length 500 mm.; tail 220 mm.; hind foot 70 mm.: 

 eastern and central States; westward into Oklahoma and Nebraska; 2 

 litters of from 4 to 6 young each are raised. 



Subspecies of S. carolinensis 



S. c. carolinensis Gmelin. Size smaller; length 455 mm.: Austral 

 zone; southward to the northern part of the Gulf States; westward into 

 Oklahoma and Nebraska. 



S. c. leucotis Gapper. Transition and lower edge of Canadian zones; 

 southward into the Pennsylvanian mountains; westward to Minnesota. 



S. c. hypophcBusMernam. Size large; color dark; only a small white 

 strea,k on the belly: Minnesota forest belt. 



S. c. extimus Bangs. Size small; length 438 mm.; color light: 

 southern Florida. 



S. c. fuliginosiis Bachman. Color blackish, grizzled with brown; 

 brown beneath: the bayou region of Louisiana. 



5. griseus Ord. Gray squirrel. Size large; color gray above and 

 white beneath; length 590 mm.; tail 270 mm.; hind foot 80 mm.: 

 Pacific slope. 



Subspecies of S. griseus 



S. g. griseus Ord. Southwestern Washington to Lower California; 

 Transition zone and upper border of Austral, except the coast belt south 

 of San Francisco. 



S. g. anthonyi 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. 



S. aberti Woodhouse. 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 500 mm.; tail 220 mm.; hind foot 73 mm.: northeastern 

 Arizona, New Mexico and Colorado; in coniferous forests; Transition 

 zone. 



