﻿60 NORTH AMERICAN FAUNA. [ifo.io. 



B. Species living in southern Mexico and Guatemala. 



Size rather large (total length 118 mm. or more). 



Hind foot 15 mm. or more. 



Color nearly black; viuder parts hardly paler vercFpacis 



Color mixed sepia and black ; under parts seal bro^Yn macrodon i 



Hind foot less than 15 mm. 



Tail very long (55 mim, or more) $<^-i■44A4VU.v caudatus(> 



Tail moderate (50 mm. or less) saussurei ^ 



Size rather small (total length about 105 mm. or less). 



Belly pale orizahce^ 



Belly dark. 



Under parts dull chestnut L'i'PA^-V.V^ ventralis p 



Under parts drab , oreopolus'^ 



SOREX PERSONATUS Geoffroy Saint Hilaire. 

 (PI. VII, figs. 5, 5a; PI. IX, hgs. 7, ?«.) 



Sorex personatus Geoffroy Saint Hilaire, Mem. du Museum, Paris, XV, 122-125, 1827. 



(From United States.) 

 Sorex for si eri Richardson, Zool. Jour., Ill, 516-517, January to April, 1828. (From 



the fur countries.) 



Sorex cooperi Bachman, Jour. Acad. Nat. Sci. Phila., VII, 388, PI. XXIV, fig. 7, 1837. 



(Probably from northern part of Mississippi Valley.) 

 AyupMsorex lesnenri Duv^ernoy, Mag. Zool., 2*^ ser., IV, ISIamm., 33-34, PI. L, 1842. 



(From Wabash River, Indiana.) 

 Sorex platyrldnclius Linsley, Silliman's Am. Jour. Sci., XLIII, 346-347, October, 1842. 



(From Stratford, Conn.) 

 Otisorex platyrhimis De Kay, Zool. New York, Mammalia, 22, PI. V, fig. 1^ 1842. (From 



Tappan, Rockland County, N. Y.) 

 Sorex platyrliinus Baird, Mammals N. Am., 25-26, PI. XXVIII, 1857. 

 Sorex liaydeni Baird, Mammals N. Am., 29-30, PI. XXVII, 1857. (From Fort Union, 

 ■ now Fort Buford, N. Dak.) 



Sorex idahoensis Merriam, N. Am. Fauna, No. 5, pp. 32-33, PI. IV, fig. 1, August, 

 1891. (From Salmon River Mountains, Idaho.) 



Type locality. — Eastern United States. 



Oeograpliic distribution. — Boreal and Transition zones of l^orth 

 America from Kew England to Alaska, except the southern Eocky 

 Mountains and the Cascade-Sierra systems; south in the higher 

 Alleghenies to Tennessee and North Carolina. 



^General characters. — Size small (total length, about 100 mm.; hind 

 foot, about 12 mm.); tail shorter than body without head; coloration 

 dark; skull and palate narrow; unicuspid series gradually diminishing 

 (third tooth not normally smaller than fourth). 



Color. — Upper parts sepia brown, very linel}^ (and usually inconspic- 

 uously) mixed with dark-tipped hairs; under j^arts ashy gray; tail 

 bioolor: upper side and tip all round dusky, under side dull whitish. 

 A chestnut pelage or phase occurs, but is rare. Out of 20 specimens 

 from Eoan Mountain, North Carolina, only 2 are chestnut; both were 

 collected in SeiDtember. 



