Fig. 12. SciuRus (Hesperosciurus) griseus. 



No. b6o8 Field Columbian Museum Coll. Nat. size. 



Color. Above grizzled bluish gray and black; under parts pure 

 white; tuft at base of ear chestnut; tail mixed gray, white and black, 

 with a white border, beneath grizzled grayish white. 



Measurements. Total length, 565; tail vertebrse, 257; hind foot, 

 77; ear, 30^^. 



a. — ni^ripes. [Sfiurus), Bryant, Proc. Cal. Acad. Scien., 1889, p. 25. 



Tv/e locality. San Mateo County, California, south of San Fran- 

 cisco. 



Geogr. Distr. Red Wood belt, coast region of California, south 

 of San Francisco. 



Genl. Char. Feet dark brown or black; back reddish brown. 



Color. Differs from 5. griseus in having the back and upper parts 

 generally reddish brown; top of head dark gray tinged with reddish 



