Allen.] 288 [February 4, 



Sciurus Aberti Woodhouse, Ibid., 220, 1852. — Baird, Mam. N. Am., 

 267, 1857. 

 Hab. Southern Colorado, New Mexico, and portions of Arizona. 

 Sciurus castanotus [castanonotus] Baird, Proc. Acad. Nat. Sci. Phila., 

 Vii, 332, 1855. — Ibid., Mam. N. Am., 266, 1857. 

 Hab. San Francisco Mountains. 



5. Sciurus hudsonius. 



a. var. hudsonius. 



"Sciurus hudsonius Pallas, Nov. Sp. Glir., 376, 1778."-— Baird, Mam. 



N. Am., 269, 1857. 

 l Sciurus carolinus Ord, Guthrie's Geog. (2d Am. Ed.) n, 292,1815." 

 Sciurus ruhrolineaius Desm., Mamm., u, 333, 1822. 



Hab. North America, east of the Rocky Mountains : Alaska. 



b. var. Fremonti. 



Sciurus Fremonti Aud. and Bach., Quad. N. Am., in, 237, 1853. — 



Baird, Mam. N. Am., 272, 1857. 

 ? Sciurus mollipilosus Aud. and Bach., Proc. Acad. Nat. Sci. Phila., I, 



102, 1841. 

 Hab. Rocky Mountains, south of about latitude 43°, and westward 

 to the Pacific Coast. 



c. var. Richardsoni. 



Sciurus Richardsoni Bach., Proc. Zool. Soc, Lond., vi, 100, 1838.— 

 Baird, Mam. N. Am., 273, 1857." 

 Hab. Western slope of Rocky Mountains, north of about lati- 

 tude 44°, and westward to the Cascade Range. 



d. var. Douglassi. 



Sciurus Douglassi Gray, Proc. Zool. Soc, Lond., rv, 88, 1836. — 

 Bachman, Ibid, vi, 99, 1838. — Baird, Mam. N. Am., 275, 1857. 

 Sciurus lanuginosus Bach., Proc. Zool. Soc. Lond., n, 101, 1838 (par- 

 tial albino). 

 Sciurus Townsendi Bach., Journ. Acad. Nat. Sci. Phila., vin, 63, 



1839 (ms. name). 

 Sciurus Belcheri Gray, Ann. and Mag. Nat. Hist., x, 263, 1842. 

 Sciurus Sucldeyi Baird, Proc. Acad. Nat. Sci. Phila., vin, 333, 1855. 

 Hab. Cascade Range, westward to Pacific Coast, and from North- 

 ern California north, to Sitka. 



