424 PUTORIUS. 



Geogr. Distr. Eastern North America through Canada north to 

 the Arctic Sea east of Hudson Bay. In United States north of Gulf 

 States to eastern boundary of the Pacific coast. 



a. Putoriiis vison Uieitstris (Preble). 



Lutreola vison lacustris Preble, N. Am. Faun., No. 22, 1902, p. 66. 

 Keewatin Mink. 



Type localiiy. Echimamish River, Keewatin, Canada. 



Genl. Char. Similar to P. vison, but larger; skull more angular; 

 sagittal crest highly developed; zygomata greatly bowed outward; 

 bullae, large, flat, inner anterior corner produced toward pterygoids, 

 terminating in acute angle. 



Color. Above dark chocolate brown; beneath lighter; chin and 

 narrow stripe to breast white; also some white between hind legs. 



Measurements. Total length, 560; tail vertebrae, 190; hind foot, 

 67. Skull: average 10 adults. Occipito-nasal length, 62.5; zygo- 

 matic breadth, 41.25; interorbital constriction, 11.9; width across 

 postorbital processes, 18.25; mastoid breadth, 36. 



b. Putorius I'ison viilgivagus (Bangs). 



Putorius (Lutreola) vulgivagus Bangs, Proc. Bost. Soc. Nat. Hist., 



1895, P- 536. 



Putorius vison vulgivagus Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., II, 1901, p. 340. Zool. Ser. 

 Rambling Mink. 



Type locality. Burbridge, Plaquemines Parish, Louisiana. 



Geogr. Distr. Shores of the Gulf of Mexico from Texas to Florida 

 and probably on the Atlantic coast of Georgia and South Carolina. 



c. Putorius vison energinnemcs Bangs. 



Putorius vison energumenos Bangs, Proc. Bost. vSoc. Nat. Hist., 



1896, p. 5. 



Putorius vison energumenus Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., II, 1901, p. 340. Zool. Ser. 

 Devilish Mink. 



Type locality. Sumas, British Columbia, Canada. 



Geogr. Distr. Pacific slope from northern California to Alaska. 

 (1. Pittorius vison ingens (Osgood). 



Lutreola vison ingens Osgood, N. Am. Faun., No. 19, 1900, p. 42. 



Putorius vison ingens Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 340. Zool. Ser. 

 Large Mink. 



Type locality. Fort Yukon, Alaska. 



Geogr. Distr. Region of the River Yukon, Alaska. 



