De-^crljiflnv!^ of Xinc New Mammah. 173 



Sorex oreopolus • sp. nov. 



Ty[)e Xo. XVafti -^ :^il- I • ^- National ^luseiim (Department of A.ari- 

 culture collection). From tlie Sierra de Colima, Jalisco, INIexico (altitude, 

 10,000 feet), April 22, 1892. Collected by E. W. Nelson. (Original num- 

 ber, 2ol7.) 



MeasuremenU (in inilliineter.s, taken in flesh 1>y collector). — 

 Total Icno-th, 106; tail vertel)ra\ 86; hair.s, I'. ; hind foot, 18. 



(jeneml Chdracters. — .Size rather large; tail short; ears sIkm'I, 

 scarcely protruding beyond tlie fur. 



(hlor. — Upper parts uniform sei)ia-brown, with a 'pepper-and- 

 salt' api)earance; under parts uniform dral) ; tail hicolor, eon- 

 color with tlie upper and lower surfaces of the bod}', but darker 

 near the tip on the under side. 



Cniiiial (iiid Dental CJuiradrrx. — Skull smaller than that of S. 

 oreopolus, with rostral portion narrower and more compressed ; 

 tirst and second lateral unicuspidate teeth sul)equal and largest; 

 third and fourth sube(iual and about half as large as the first 

 and second ; fifth rather large, plainly visible to the unaided 

 eye from the (Hiter side, and whoU}' in the tooth row ; consid- 

 erably longer antero-j)osteriorly than in 18. saussurei 



Sorex saussurei t sp. nov. 



Type No. :^?5;;J 9 ad. U. S. National Museum (Department of Aiiri- 

 culture coUet-tion). From the Sierra de Colima, .lalisco, ^Mexico (altitude 

 8,000 feet), April 2:!, 1802. Collected by E. W. Nelson. (Original nnm- 



l)er, 2.i.']8.) 



Merisiirnne.iifs (in millimeters, taken in flesh l)y collector). — 

 Total length, 115; tail verteline, 48; hind foot, 14. 



(h'licral C/i(iirirters. — Size about equalling that of Sorr.r orrDpo- 

 h's, but with tail and ears considerably longer (tail al>out as 

 long as the l)ody without tlie bf>ad ; ears ]irotruding cons])icu- 

 ously beyond the fur). 



Color. — Upper parts sepia-brown, slightly darker i)osteriorly ; 

 under })arts dra]>gray on the throat and })reast, clouded with 



* \if)t(i-</}.()'i\ mountain-banntino-. 



t Named in honor of Professor Henri De Saussure, of Geneva, Switzer- 

 land, who described a number of new mammals from Mexico more tban 

 tbirty years a.ifo. (Rev. et Majr. Zool., xii, 1860; xiii, ISO! ; xv, 1863). 



