SPERMOPHILUS. 91 



iio. beringensis. {S/>ermop>ii/us), Merr., Proc. Wash. Acad. Scien., 

 lyoo, p. 20. 



Type locality. Cape Lisbourne, Alaska. 



Genl. Char. Similar to .V. empetra: dorsal vermiculations broken 

 into spots ; tail longer, color deeper. 



Color. Summer PcUii^e. General color fulvous ; ferruginous on 

 nose and underside of tail ; back spotted with buff)' white ; tail bor- 

 dered with black. 



Winter Fehn^e. Nose patch bright rusty ; sides of face and neck 

 buffy gray ; back deep fulvous with few white spots ; sides and under 

 parts buffy fulvous. 



No Measurements given ! 



111. osgoodi. (Spermoptiihis), Merr., Proc. Wash. Acad. Scien., 1900, 



p. 18. 



Type locality. Fort Yukon, Alaska. 



Genl. Char. Size large ; tail very long ; premaxilla' longer than 

 nasals. 



Color. Summer relai;e. Top of head deep ferruginous ; neck, 

 shoulders and sides grayish ; flanks deep fulvous ; back fulvous spot- 

 ted with whitish; sides of face, legs, feet and under parts ferruginous. 



Winter Pela<;e. Similar, but clearer gray on neck and shoulders, 

 thighs and flanks deep ferruginous ; vermiculations on back less 

 broken into spots ; under parts with grayish and fulvous areas. 



Measurements. None given ! 



112. barrowensis. [Spermophilus), Merr., Proc. Wash. Acad. Scien., 



1900, p. 19. 



Type locality. Point Barrow, Alaska. 



Genl. Char. Largest species known ; premaxilla- not so long as 

 nasals. 



Color. Top and back of head buffy fulvous ; neck and sides buffy 

 and black ; back buffy fulvous speckled with whitish ; beneath, with 

 legs and feet buff)', darkest on breast and belly. Tail above grizzled 

 buffy and black : beneath buffy fulvous bordered with black and 

 fringed with buff. 



Measurements. Hind foot, 62. None other given ! 



113. columbianus. {Arctomus),Ord,G\iih. Geog. 1815, n, p- 292. 

 erythroglutieus, Richard. Faun. Bor. Am., 1829, p. 161. 



Type locality. Sources of Elk River, Rocky Mountains, lat. 57°. 



Geogr. Distr. Western Montana to Washington and north 

 through British Columbia and Alaska to Plover Bay in Siberia. 



Genl. Char. Smaller than S. empetra, ears and tail longer. Color 

 darker. 



