KEY TO LAND MAMMALS OF NORTHEASTERN NORTH AMERICA 12g 



the peninsula of Nova Scotia. The relationships of this race, the typical 

 form and the large form occurring in the Hudsonian zone of Ontario 

 and Qiebec are not well understood. 



Vulpes deletrix Bangs Newfoundland red fox 



1898 Vulpes deletrix Bai)gs, Proc. biolog. soc. Washington. 24 Mar. 1898. 

 12: 36. (Bay St George, Newfoundland) 

 Like Vulpes fulvus, but hind foot 'projyortionaTly very large ; claws long 

 and stout; color in red phase pale ocher yellow; black and silver gray jjhases 

 very common. Total length, 960 (37|); tail vertebrae, 336 (13); hind foot, 160 (6^). 

 (deletrix Lat., a destroyer) 



The Newfoundland fox is confined to the island of Newfoundland. 



Genus Urocyon Baird 



1857 Urocyon, Baird, Mamm. N. Am. p. 121. Type Cants Virgini- 

 an us Erxleben=C . cinereoargenteus Miiller. 

 Teeth 42, upper front teeth not lobed; pupil of eye elliptic; tail with a con- 

 cealed mane of stiff hairs and no soft under fur. (Urocyon; Gk., tail dog) 



Peculiar to the new world. Ranges from South America north to the 

 lower edge of the transition zone in the eastern United States. Several 

 species are known, two of which occur in North America. Only one of 

 these is found within our limits. 



Urocyon cinereoargenteus (Miiller) Gray fox 



1776 Canis cinereoargenteus Miiller, Natursyst. -Suppl. p. 29. (East- 

 ern United States) 

 1894 Urocyon cinereoargenteus Rhoads. American naturalist. June 

 1894. 28 : 524. 

 Back a coarse grizzle of blackish and white, belly tawny; region about ears 

 tawny; a black line along back of tail. Total leugth, 900 (35i) ; tail vertebrae, 

 260 (lOi); hind foot, 125 (5). (cinereoargenteus; Lat., gray-silvered) 

 The gray fox ranges throughout the southern United States from 

 Atlantic to Pacific. It is divisible into six or more geographic races. 

 The typical subspecies alone, Urocyon cinereoargenteus 

 cinereoargenteus, occurs within our Hmits. It is common in the 

 region east of the AUeghanies from Long Island and the lower Hudson 

 valley southward. 



Family Mustelidae Weasels 



Entire sole to heel not habitually applied to ground in walking ; claws never 

 fully retractile; hind toes five; teeth 32 to 38; head variable in form. (Mus- 

 telidae; genus Mustela) 



The family Mustelidae is distributed throughout both hemi- 

 spheres with the exception of the Australian region. It contains about 

 twenty genera, nine of which occur in North America. Five of these 

 are found within our limits. 



