33© VERTEBRATE ANIMALS OF THE UNITED STATES 



S. c. leucotis (Gapper). Larger and grayer; the black color phase 

 often common: Transition and lower edge of Canadian zones; southward 

 into the Pennsylvanian mountains; westward to Minnesota. 



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

 streak on the belly: Minnesota forest belt. 



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

 southern Florida. 



Fig. 179. — Skull of Sciitrus carolinensis (from Elliot).. 



S. c. fuliginosus (Bachman). Color blackish, grizzled with brown; 

 brown beneath : the bayou region of Louisiana. 



S. griseus Ord. Western gray squirrel. Size large; color gray above 

 white beneath; length 550 mm.; tail 250 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. 



