50I, pennantii. {.Vustfhi), Erxl., Syst. Regn. Anim., 1777. p. 470. 



canadensis, Schreb. Siiugth., 1778, p. 492, tab. cxxxiv. 



melanorhyncha. Bodd., Elench. Anim., 1784, i, p. 88. 



piscator, Shaw, Gen. Zool. Mamm., 1800, i. p. 414. 



nigra, Turton, Linn., 1806, p. 60. 



godmani, Fisch., Syn. Mamm., 1829, p. 217. 



Type locality. Boreal America. 



Geogr. Distr. North America north of 35° in forest-covered 

 country, save on the Pacific coast from California north, where it is 

 supplanted by M. p. pacifica. 



Gcnl. Char. Color dark; feet broad, flat, heavily furred: claws 

 stout, curved acute. Skull large, zygomatic arch low, orbital con- 

 striction considerable, palate emarginate. 



Color. Variable, but dark. Some specimens are glossy black, 

 including the tail and under parts; others are gray or grayish white 

 on the head and neck, and the base of hairs on the tail dark chest- 

 nut; the majority of examples have more or less white on the chin, 

 chest and abdomen. 



Measuremoits. Total length, 920; tail vertebrae, 355: hind 

 foot, 94. 



a.— pacifica. {Musltla), Rhoads, Journ. Am. Philos. Soc, 1898, 



P- 435- 



Type locality. Lake Kichelos, Kittitass County, Washington. 



Geogr. Distr. Pacific slope, California to .\laska. 



Genl. Char. Skull very large with relatively long nasals. Pos- 

 terior upper molar large, with spreading inner lobe much wider longi- 

 tudinally than outer section of same tooth, the crown suddenly 

 constricted at the middle. 



Color. Above, from between eyes to middle back, grizzled, gray- 

 ish ochraceous heavily lined with black, becoming hazel black on 

 hind back, and dark black on rump, thighs and tail. Whole head 

 behind eyes clove brown basally, strongly grizzled with dirty white. 

 Snout to eyes blackish seal brown. Chin, throat, breast and belly 

 between dark chestnut and hazel, obscured with black. Legs and 

 feet black, the fore legs showing the Vandyke brown bases of hairs. 

 Basal half of hairs of anterior back are Prout's brown as contrasted 

 with the hair brown of J/, canadensis (J/, pennantii). 



Measurements. Type relaxed skin. Total length, 1090; tail, 

 350. Skull: Hinder end of sagittal crest to front of premaxillac, 125; 

 zygomatic width, 73; mastoid width, 54; interorbital constriction, 

 28.5; postorbital constriction, 20; mesial length of nasals, 27. 

 (Rhoads, 1. c.) 



