FLYING SQUIRREL 



Klamath Flying SquiTreL—Glaucomys sabrinus klamathensis 

 (Merriam). 

 Grayer on upperparts than fuliginosus and closely resem- 

 bling that form. Total length, 12-13. 5 inches; tail verte- 

 bra, 5.4-6.2 mches; hind foot, 1.6-1.7 inches. Found in 

 Central Oregon, chiefly east of the Cascades; northern 

 and eastern limits miknown." (Howell) 

 Yellow-bellied Flying S(iniire\.—Glaucomys sabrinus flaviven- 

 tns Howell. 

 Resembling but smaller than klamathensis, more yellow on 

 feet and underparts, which are whitish washed with pale 

 greenish yellow merging into wood-brown along sides 

 Total length, 11. 5-12. 8 inches; tail vertebra, 5-5.8 inches- 

 hmd foot, 1.6-1.7 inches. Found in "Northern California' 

 from the Trinity Mountains in Siskiyou and Trinity Coun- 

 ties east to the Warner Mountains, Modoc County " 

 ^ (Howell) ■^' 



Sierra Flying So^niireL—Glaucomys sabrinus lascivus (Bangs) 

 Like flainventns but without yellow suffusion on underparts' 

 Smaller m size. Underparts grayish white with faint wash 

 of light pinkish cinnamon. Total length, 11. 8-12. 8 inches- 

 tail vertebrae, 5-6 inches; hind foot, 1.6-1.7 inches. Found 

 m "Sierra Nevada Range and northward to eastern Shasta 

 County, Cahforma." (Howell) 

 San Bernardino Flying S(\mTre\.~Glaucomys sabrinus cali- 

 fornicus (Rhoads). 

 Paler and grayer above than lascivus, with grayish wash on 

 front of face; upperparts light drab to yellowish wood-brown- 

 underparts soiled whitish with wash of buffy. Total length' 

 11.2-12.5 inches; tail vertebras, 5.1-6 inches; hind foot i 5- 

 1.6 inches. Found in "San Bernardino and San Jacinto 

 Mountains, California." (Howell) 

 California Coast Flying SqmnQL—Glaucomys sabrinus stephensi 

 (Merriam). 

 Resembling lascivus but redder above, although not so much 

 so as m oregonensis. Above, wood-brown ; below whitish 

 with irregular wash of light pinkish cinnamon. Total 

 length, 12-12. 5 inches; tail vertebras, 5.3-6 inches; hind 

 toot I.5.-I-6 inches. Found in "Coast region of northern 

 Cahforma; limits of range unknown." (Howell) 



******* 

 Flying Squirrels are found widely distributed throughout 

 the Northern Hemisphere. In North America they are found 

 :n greatest abundance in the forests of the colder zones and do 

 not occur south of Texas. The greatest amount of diversi- 

 ^cation in the American species is shown by the Flying 

 Squirrels of western North America where quite a number of 

 subspecies are found. 

 The Flying Squirrel is the only American Squirrel which 

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