MAMMALS OF MARYLAND 



73 



GRAY SQUIRREL 



Sciurus carolinensis pennsylvanicus Ord 



Sciurus pennsylvanica Ord^ in [Guthrie], a new geographical, histori- 

 cal and commercial grammar ; . . . , Philadelphia, ed. 2, 2 : 292, 1815. 



Type locality. — Pennsylvania, west of the Allegheny Ridge. 



General distribution. — From southern New Brunswick, Quebec, and Ontario, 

 south into Virginia and in the Appalachians to Tennessee, west into eastern 

 I(ywa and southern Minnesota. 



Distribution in Maryland. — ^Abundant in all sections of the State. 



Distinguishing characteristics. — Teeth 1/1, 0/0, 2/1, 3/3, = 22; size 

 large; tail bushy and flattened; coloration variable both in summer 

 and winter; upper parts usually yellowish brown in summer, with a 

 slightly grayish cast to the sides of the neck, the shoulders, and 

 thighs; face clay colored to cinnamon buff; forelegs gray above, hind 

 legs reddish; tail brown at base, hairs blackish near middle and tipped 

 with gray; in winter pelage, paler and more grayish. 



A melanistic color phase occurs frequently in this species, par- 

 ticularly in S. c. pennsylvanicus, Albinistic animals are also often 

 encountered. 



Measurements. — External and cranial measurements of three adult 

 males from Cambridge, Dorchester County, are as follows: Total 

 length 462, 486, 465; tail vertebrae 201, 216, 190; hind foot 64, 64, 61; 



Figure 28. — Distribution of Sciurus carolinensis pennsylvanicus. 



