Vol. ni] GRINNELL— MAMMALS OF CALIFORNIA 357 



Range — Transition zone of southern California, from near 

 the Mexican boundary northwest to the mountains of Ventura 

 County (Mus. Vert. Zool.). 



Family PETAURISTIDAE 



Sciuropterus alpinus Stephens! Merriam 



Mendocino Flying Squirrel 



Original description — Sciuropterus orcgoncnsis stcphensi 

 Merriam, Proc. Biol. Soc. Wash., 13, June 13, 1900, p. 151. 



Type locality — Sherwood, Mendocino County, California. 



Synonyms — California Coast Flying Squirrel; Stephens 

 Flying Squirrel. 



i?a« or— Transition zone in northwest humid coast belt ; but 

 one precise locality so far known, as above. 



Sciuropterus alpinus klamathensis Merriam 

 Klamath Flying Squirrel 



Original description — Sciuropterus alpinus klamathensis 

 Merriam, Proc. Biol. Soc. Wash., 11, July 15, 1897, p. 225. 



Type locality — Transition zone, altitude 4200 feet, Fort 

 Klamath, Klamath County, Oregon. 



SyiiO)iyni — Sciuropterus volucella hudsonius. 



Range — Transition and Boreal zones of the interior of 

 northern California : Warner Mountains, Modoc County, and 

 Trinity Mountains, in Siskiyou and Trinity counties (Mus. 

 Vert. Zool.) ; Mount Shasta (Merriam, N. Amer. Fauna, 16, 

 1899, p. 92). 



Sciuropterus alpinus lascivus Bangs 



Sierra Nevada Flying Squirrel 



Original description — Sciuropterjis alpinus lascivus Bangs, 

 Proc. New Eng. Zool. Club, 1, July 31, 1899, p. 69. 

 Type locality — Tallac, Eldorado County, California. 

 Range — Transition zone on central Sierra Nevada. 



Sciuropterus alpinus californicus Rhoads 



San Bernardino Flying Squirrel 



Original description — Sciuropterus alpinus californicus 

 Rhoads, Proc. Acad. Nat. Sci. Phila., June, 1897, pp. 323, 324. 



