CITELLUS. 



MARMOTA. 33 



Occipito-nasal length, 39.6; Hensel, 33.8; zygomatic width, 25; inter- 

 temporal width, 9.6; length of nasals, 10.6; length of upper molar 

 series, 8.4; length of mandible, 23.3; length of lower molar series, 

 7.5. .Ex type in United States National Museum. 



Subgenus F. Otospermophilus. 



Citellus variegatus juglans Bailey. 



Citellus variegatus juglans Bailey, Proc. Biol. Soc. Wash., XXVI, 

 1913, p. 131. 



Type locality. Glenwood, New Mexico. Altitude, 5000 feet. 



Genl. Char. Similar to C. variegatus, but skull broader, teeth 

 smaller. 



Color. Head rusty and black, becoming tawny near ears; ears 

 black; hind neck, flanks behind shoulders gray; back between shoul- 

 ders black and bilff ; rest of back ochraceous and cream spotted; under- 

 parts soiled whitish (some examples rusty ochraceous); hands and 

 feet pale ochraceous; tail above has the hairs gray with sub terminal 

 black band, and a marginal band edged with whitish; beneath prac- 

 tically the same coloring. Ex type in United States National Museum. 



Measurements. Total length, 500; tail, 230; hind foot, 65. 

 Skull: Occipito-nasal length, 60.9; Hensel, 49.3; zygomatic width, 

 38; intertemporal width, 13.6; length of nasals, 22; palatal length, 

 28.5; length of upper molar series, 12; length of mandible, 36.8; 

 length of lower molar series, n.6. Ex type in United States National 

 Museum. 



Genus Marmota (54). Woodchucks. 



Marmota ochracea Swarth. 



Marmota ochracea Swarth, Univ. Calif. Pub. Zool., VII, 1911, p. 203. 

 Type locality. Forty-mile Creek, Alaska. 



Marmota vancouverensis Swarth. 



Marmota vancouverensis Swarth, Univ. Calif. Pub. Zool., VII, 1911, 

 p. 201. 



Type locality. Mount Douglas, Vancouver Island, British Colum- 

 bia, Canada. 



Marmota vigilis Heller. 



Marmota vigilis Heller, Univ. Calif. Pub. Zool., V, 1909, p. 248. 

 Type locality. West shore of Glacier Bay, Alaska. 



