KEY TO LAND MAMMALS OF NORTHEASTERN NORTH AMERICA 1 33 



tail vertebrae, 205 (8); hind foot 90 (3^). Skull: greatest length, 80 (3i) ; 

 width of muzzle across canines, 14 (t%). (Americana; N. Lat., American) 



The eastern pine martin inhabits the boreal forests of North America 



from the Atlantic coast west at least to the Rocky mountains. On the 



Pacific coast it is replaced by the closely related M . c a u r i n a Mer- 



riam. It is still common in northern New England and northern New 



York. 



Mustela atrata Bangs Newfoundland martin 



1897 Mu stela atrata Bangs, American naturalist. Feb. 1897. 31:162. 

 (Bay St George, Newfoundland). 



General color dee^ chocolate and black ; throat patch orange. Total length, 

 550 (17f); tail vertebrae, 185 (7i) ; hind foot, 88 (Si), (atrata; Lat., 

 wearing mourning) 



The Newfoundland martin is confined to the island of Newfoundland. 



Genus Putorius Cuvier 

 1817 P u t o r i n s Cuvier, K^gue animal. 1 : 147. Type Mustela putorius 

 Linnaeus, 

 Like Mu s t el a, but ^eei^ onZ^/ 34. (Putorius; Lat., a bad odor) 



The genus Putorius is widely distributed in Europe, Asia, Africa, 

 North America and South America. 50 or more forms will doubtless 

 eventually be recognized. In America north of Panama, 22 are now 

 known to occur, and four of these are found within our limits. 



SPECIES OF PUTORIUS 



Total length over 500 (20); (subgenus Lutreola 



Wagner) P. vison 



Total length under 500 (20); toes without webs (sub- 

 genus Arctogale Kaup) 



Tail forming about one fourth of total length P. cicognanii 



Tail forming about one third of total length 



Tail slender and closely haired, its black tip short 



" (about 60 (2f) in male, 28 (li) in female) P. occisor 



Tail somewhat bushy, its black tip long (about 

 80 (3^) in male, 50 (2) in female) P. noveboracensis 



Putorius vison (Schreber) Mink 



Total length over 500 (20); color brown throughout varying much in 

 exact shade ; chin usually spotted with white. (vison; derivation not 

 known) 



The mink ranges throughout the greater part of North America north 



of Mexico. It is divisible into half a dozen or more geographic races, 



two of which occur within our limits. 



