FIELD BOOK OF MAMMALS 



Flaviventris Group 



Yellow-bellied Marmot. — Marmota flaviventris flaviventris 



(Audubon and Bachman). 



Size large, total length, males, 28 inches, females 25 mches; 



tail vertebrae, males, 7 inches, females, 6.8 mches; hmd 



foot, males, 3.6 inches, females, 3.2 inches. Upperparts 



grizzled russet and whitish, an indistinct buffy mantle on 



fore-back; underparts ochraceous; feet ochraceous. Found 



in "The Cascade Range in Oregon and the northern Sierra 



in California, south to Lake Tahoe." (Howell) 



Pallid Yellow-bellied Marmot. — Marmota flaviventris avara 



(Bangs). _ . , ,, 



Smaller and paler than typical flaviventris. Total lengtn 



male 22 inches. Found in "Interior valleys and foothills 



of southern British Columbia and eastern Washington and 



Oregon." (Howell) . • tt n 



Southern Sierra Marmot. — Marmota flaviventris sierrce tiowen. 



Redder than typical flaviventris and with buffy mantle 



absent or greatly reduced. Found in "Higher parts of the 



southern Sierra Nevada from upper Kern River north to 



vicinity of Mono Lake." (Howell) 



White Mountains Marmot. — Marmota flaviventris fortirostns 



Grinnell. r 1 11 



Resembling sierrce but smaller and paler; rostrum ot skul 



short and heavy. Total length, males, 22.5 inches, tail 



vertebrae, 6.5 inches; hind foot, 2.9 inches. Found m the 



higher parts of the White Mountains, Mono County, Cah- 



Nevada 'Marmot.— Marmota flaviventris parvula Howell. 

 Smaller and darker than avara. Total length, male, 15- 

 20 inches, the smallest subspecies of flaviventris. Found 

 in "Toyabe and Toquima Ranges, Nev. ; and White Moun- 

 tains Cal. (occurring from about 7,800 to 10,000 feet alti- 

 tude) ; probably occupies also other desert ranges m cen- 

 tral Nevada." (Howell) _ „ J.-/A11 ^ 



Engelhardt MsiTmot.— Marmota flaviventris engelhardti (Allen;. 

 Smaller than typical flaviventris, more dark red on upper- 

 parts and on feet. Found in " Beaver and Parawan Moun- 

 tains, southern Utah; also Midvale, Idaho; exact limits of 

 range unknown." (Howell) _ _ 



Golden-mantled Maimot— Marmota flaviventris nosophora 



Howell. , . .^ .1 



Tail longer than that of engelhardti (6.5 inches as com- 

 pared to 6 inches) color more ochraceous above and redder 

 below, a golden buff mantle on anterior back. Found m 

 "Rocky Mountain region of Montana, Idaho, and Wyom- 

 ing from Flathead Lake, Mont., south to the Wasatch 

 Mountains, Utah, and east to the Bighorn Mountains, 

 Wyo.; altitudinal range from about 3,000 to 11,800 feet. 

 (Howell) 



