Order Insectivora. Insectivores. 



Family Soricidse. Shrews. 



Genus Sorex (143). Common Shrews. 



Sorex obscuyus neomexicanus Bailey. 



Sorex obscurus neomexicanus Bailey, Proc. Biol. Soc. Wash., XXVI, 



i9!3 P- J 33- 

 Type locality. Cloudcroft, New Mexico, Altitude 9000 feet. 



Genl. Char. Larger than S. obscurus, darker in color, less reddish. 



Color. Upperparts sepia; underparts brownish. Ex type in 

 United States National Museum. 



Measurements. Total length, 118; tail, 45; hind foot, 15. Skull: 

 Occipito-nasal length, 16.3; Hensel, 15.3; intertemporal width, 4.2; 

 width of braincase, 8.8; length of upper tooth row, 7.6; length of 

 rostrum, 8.5; palatal length, 7; length of mandible, 9.9; length of 

 lower tooth row, 9. Ex type in United States National Museum. 



Sorex leucogenys Osgood. 



Sorex leucogenys Osgood, Proc. Biol. Soc. Wash., XXII, 1909, p. 52. 



Type locality. Mouth of the Canon of Beaver River, about 3 

 miles from Beaver, Beaver County, Utah. 



Genl. Char. Similar to S. merriami but larger; braincase more 

 elevated; tail shorter than head and body; rostrum thick, heavy; 

 third unicuspid larger than fourth. 



Color. Upperparts pale brownish drab; flanks ecru-drab; chin 

 and sides of face below eyes and on nose to tip, hairs white to roots; 

 whiskers white; underparts creamy white; feet white; tail above 

 brownish drab, tip white, beneath white. Ex type in United States 

 National Museum. 



Measurements. Total length, 107; tail, 38; hind foot, 12.5. 

 Skull: Total length, 17.2; occipito-nasal length, 14.8; Hensel, 13.1; 

 intertemporal width, 3.7; palatal length, 7; length of nasals, 4.6; 

 length of upper molar series, 6.8; length of mandible, 8; length of 

 lower molar series, 4.2. Ex type in United States National Museum. 



Sorex lagunae Nelson and Goldman. 



Sorex laguncs, Nels. and Goldm., Proc. Biol. Soc. Wash., XXII, 

 1909, p. 27. 



145 



