130 Bailey — Tlic American Voles of the Genus Emtomys. 



Evotomys caiolinensis Meiriam. 



Erolomt/s cdrolinen.'iiii Merriam, Am. Jour. Sci., vol. XXXVI, p. 4()0, 

 Dec, 1SS8. 



Type localltij. — Roan Mountain, North Carolina; altitude 6000 feet [1830 

 meters] . 



Geograpldc distrihution. — Boreal parts of Alleghany Mountains of North 

 Carolina, Tennessee, and West Virginia. 



Gt'iwral cliararters. — Size large; hind foot, 20 mm. or more ; tail long ; 

 color dark and rich ; molars larger than in any other American species.* 



Color. — Fall, summer pelnge : back dark chestnut, blending gi'adnally 

 with bistre of sides, face, and rump ; darkened everywhere above with 

 numerous black hairs ; belly varying from white to buffy-oehraceous, the 

 under fur showing through ; fur covering side glands of male forming an 

 iuconspicuoLis spot sligiitly darker than surrounding fur; ears dusky; 

 feet grayish brown ; tail indistinctly bicolor, gray below, blackish above, 

 and all round at tip. Winter pelage (February, March, and April speci- 

 mens) : paler aud brighter; back brighter ferruginous, belly averaging 

 whiter ; sides buffy-ochraceous instead of bistre ; ears slightly rufous 

 tipped. Young darlver than adults. 



Cranial characters. ^SknW, compared with that of E. gapperl, larger, 

 wider, and more angular, with audital bulUe relatively smaller, flatter, 

 and more elongated; basioccipital wider between bullae; molars larger 

 and especially wider and heavier ; enamel surface of upper incisors 

 darker yellow. 



Measurements. — Average of 4 adults (2 (^ and 2 9) fi'om type locality, 

 measured in flesh by Dr. C. Hart IMerriam : total length, 149 ; tail verte- 

 bne,44; hind foot, 20.2. .S'Avt/; (a fully adult $, No. 7;]I15): basal length, 

 23.5; nasals, 7.5; zygomatic breadth, 14.4; mastoid breadth, 12; alve- 

 olar lengtii of upper molar series, 6. 



General rrmarks. —Evotomgs carulinensi.'i is readily distiuguished from all 

 other eastern forms by its larger size and darker coloration. Specimens 

 in the same pelage should be used for comparison, as the lightest phase 

 of winter pelage in caroluie)isis matches the darkest summer phase of 

 gapperL 



Specimens examined. — Total number, 87, from 3 localities. 

 North. Carolina: Roan Mountain, 47; Highlands, 2. 

 West Virginia : Travellere Repose, Pocahontas County, 38. 



Evotomys ungava sp. nov. 



Tgpe from Fort Chimo, Ungava. No. |rjL cT ^^^-^ Merriam Coll. Col- 

 lected by L. M. Turner, May 12, 1883. Original number, 317. 



General characters. — Size about as in gapperi ; tail and feet slender ; ears 

 very small, not projecting beyond fur; colors dull; tail bicolor; skull 

 slender; rostrum not decurved. 



*Only e.Kceeded in size by the molars of E. rufocaaus of Europe. 



