MAMMALS 277 



ba In Newfoundland V. deletrix. 



a2 In the western States, 

 bi On the Great Plains. 



Ci In the northern States and Canada V. regalis. 



Co In the central Mountain States V. velox. 



C3 In the southwestern deserts V. macrotis. 



bj In the mountains. 



Ci In the central Rockies V. niacrourus. 



C2 In the Sierras and Cascades V. cascadensis. 



C3 In the high Sierras V. necator. 



hi In central California V . mutica. 



V.fulva (Desmarest). Red fox; black fox; cross fox; silver gray 

 fox. Color reddish gray; feet and ears black; tail darker than body; 

 tip of tail and under parts white; melanic individuals sometimes occur, 

 the black fox being entirely black, the cross fox having a black band 

 along the back crossed by one on the shoulders, and the silver fox being 

 silver gray; length 1,034 mm.; tail 394; hind foot 163: eastern America, 

 southward to Georgia and Tennessee; northward to Maine; westward to 

 the Great Plains; introduced into other regions. 



V. rubricosa Bangs. Size sHghtly larger and color deeper than V. 

 fulva; tail very dark, with a basal ring of black: Nova Scotia and 

 Labrador. 



V. deletrix Bangs. Size shghtly smaller than V.fulva; hind feet and 

 claws very large; color very pale, being light straw: Newfoundland. 



V. regalis Merriam. Size much larger than V.fulva, the length being 

 1,117 rnni.; ears very broad and large; tail very long but thin; color 

 golden yellow; legs abruptly reddish; feet black: northern plains trom 

 Minnesota to Montana and Alberta. 



V. macrourus Baird. Size and color of V . fulva, hvit tail much longer 

 and hind feet larger: Nebraska to Oklahoma; mountains of Colorado, 

 Utah and Wyoming. 



V. velox (Say). Swift fox; kit fox. Size small; length 645 mm.; 

 tail 226 mm.; hind foot 95 mm.; color yellowish gray above and white 

 underneath; tip of tail black: northern Texas through Nebraska and 

 eastern Colorado into Alberta; not common. 



V. necator Merr. Size and color of V.fulva: high Sierras, California. 



V. cascadensis Merr. Color similar to V. fulva; black-cross color 

 phase common; length 1,070 mm.; tail 412 mm.; hind foot 178 mm.: 

 northern Sierras, Cascades and northward. 



V. mutica Merr. Similar to V. macrotis; top of head and middle of 

 back reddish brown; outside of hind foot fulvous; tip of tail black; 

 length 950 mm.; tail 350 mm.; hind foot 122 mm.: San Joaquin Valley, 

 California. 



