SOREX. 453 



Mount Shasta Shrew. 



Type locality. Mount Shasta, Siskiyou County, California. Alti- 

 tude, 5,700 feet. 



Geogr. Distr. Known only from the type locality. 



1092. Sorex tenellus Merriam. 



Sorex tenellus Merr., N. Am. Faun., No. 10, 1895, p. 81, pi. xii, 

 figs. 8, 9. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 374. Zool. Ser. 

 Delicate Shrew. 



Type locality. Alabama Hills, near Lone Pine, Owens Valley, 

 Inyo County, California. 



Geogr. Distr. Southeastern California. 



a. Sorex tenellus lyelli Merriam. 



Sorex tenellus lyelli Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 75. 

 Mount Lyell Shrew. 



Type locality. Mount Lyell, Tuolumne County, California. 



Geogr. Distr. Known only from the type locality. 



Genl. Char. Similar to 5. tenellus, but browner above; 3d uni- 

 cuspid larger than 4th; unicuspid series heavier; ist and 2d broader. 



Measurements. Total length, 103 ; tail vertebrae, 41 ; hind foot, 12. 



b. Sorex tenellus my ops Merriam. 



Sorex tenellus myops Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 76. 

 White Mountains Shrew. 



Type locality. White Mountains, Mono County, California. 



Geogr. Distr. Southeastern California. 



Genl. Char. Like 5. tenellus, but smaller; ears larger; color paler. 

 Skull shorter and broader; rostrum broadened behind unicuspids; 

 molars deeply excavated posteriorly. 



Measurements. Total length, 98; tail vertebrae, 41 ; hind foot, 12. 



c. Sorex tenellus nanus Merriam. 



Sorex tenellus nanus Merr., N. Am. Faun., No. 10, 1895, p. 81, 

 pi. VIII, figs. 5, 5a. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 375. Zool. Ser. 

 Dwarf Shrew. 



Type locality. Estes Park, Larimer County, Colorado. 



Geogr. Distr. Colorado; Montana. 



1093. Sorex lonjfirostris Bachman. 



Sorex longirostris Bachm., Jour. Acad. Nat, Scien. Phil., 1837, 

 p. 370, pi. xxiii, fig. 2. Elliot, Syn. N. Am. Mamm., F. C, M. 

 Pub., II, 1901, p. 375. Zool. Ser. 



