KEY TO LAND MAMMALS OF NORTHEASTERN NORTH AMERICA 1 33 



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

 width of muzzle across canines, 14 (ts). (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 Newfoimdland marti7i 



1897 Must el a atrata Bangs, American naturalist. Feb. 1897. 31:162. 

 (Bay St George, Newfoundland). 

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

 550 (171); tail vertebrae, 185 (7i) ; hind foot, 88 (Z\). (atrata; Lat., 

 wearing mourning) 



The Newfoundland martin is confined to the island of Newfoundland. 



Genus Putorius Cuvier 

 1817 Putorius Cuvier, R6gue animal. 1 : 147. Type Mustela putorius 

 Linnaeus. 

 Like M u s t e 1 a, but iee^/i owZy 3^' (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. visou 



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. uov oboraccnsis 



Putorius vison (Schreber) Mink 

 Total length over 500 (20); color brown thr<mgl»out varyhi^' 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. 



