38 \1\K\IOT.\. 



Marmota caligata cascadensis Howell. 



Marmota caligata cascadensis Howell, Proc. Biol. Soc. Wash., 

 XXVII, 1914, p. 17. 



Type locality. Mt. Rainier, Washington. 



Geogr. Distr. Mt. Rainier, Washington, to the Mount Baker 

 Range, British Columbia. 



Gcnl. Char. Size large; similar in color to M. caligata. 



Color. Nose, and extending back to eyes white, a black band 

 across nose near tip ; rest of head above mixed black and white ; sides 

 of head grizzled; entire upperparts and sides yellowish white; outer 

 side of arms and entire hind legs yellowish white; inner side of arms 

 and underparts a mixture of pale and dark buff; tail above mixed buff 

 and reddish, beneath dark reddish and black; hands and feet black. 



Measurements. Total length, 740; tail, 230; hind foot, 107. 

 Skull: Occipito-nasal length, 101; Hcnsel, 85.2; zygomatic width, 

 66.2; interteinporal width, 15.3; length of nasals, 42.4; length of 

 upper molar series, 23 ; length of mandible, 68.3 ; length of lower molar 

 series, 21.1. Ex type in United States National Museum. 



Marmota caligata nivaria Howell. 



M armola caligata nivaria Howell, Proc. Biol. Soc. Wash., XXVII, 

 1914, p. 17. 



Type locality. Upper St. Mary's Lake, Montana, Altitude, 6100 ft. 



Geogr. Distr. Type locality to Bitterroot and Salmon River 

 Mountains, Idaho. 



Gcnl. Char. Similar to M . oxytona but whiter. 



Color. Forehead white, rest of head mixed black and white: 

 back from head to lumbar region and flanks white; hairs blackish 

 white-tipped on small of the back; rump ochraceous, with hairs black- 

 tipped; underparts grayish white, inclined to buff towards tail; tail 

 above and below reddish, black at base, hairs white-tipped; hands 

 and feel black. Ex type in United States National Museum. 



Measurements. Total length "average of four," 751; tail. 224; 

 hind foot, 105. Skull: Occipito-nasal length, 99.3; Hensel, 86.5; 

 zygomatic width, 64.7; intertemporal width, 14.2; length of nasals, 

 39.7; length of upper molar scries, 21.7; length of mandible, 66.5; 

 length of lower molar series, 19.5. Ex type in United States National 

 Museum. 



Marmota caligata sheldoni Howell. 



\f, inn nt, i cali gala sheldoni Howell, Proc. Biol. Soc. Wash., XXVII. 

 [914, i). is. 



7'v/>r lottility. Montague Island, Alaska. 



