MICROSOREX. 377 



93. Microsorex. 



d' i-i' i-i ■> 



Microsorex. Baird, in Coues Prec. Notes on Am. Insect. Mamm., 

 Bull. U. S. Geol. and Geog. Survey, 1877, iii, No. 3, p. 646. 

 Type Sor,x hoyi, Baird. 



Inner side of canines, and second and third upper incisors with a 

 distinct secondary cusp; fourth upper incisor very minute and nearly 

 hidden between third incisor and canine: brain case low and narrow; 

 mandible short and heavy: feet never fringed. 



S^&g?^ iMWP'i^^ 



Fig. 71. Microsorex hoyi. 



No. 8005 .Am. Mus. Nat. Hist. Coll. 



Skull 2M times nat. size. Tooth rows 6 times nat. size. 



562. hoyi. {Sorex), Baird, Mamm. N. Am., 1857, pp. 32-33, pi. 

 xxviii. 



thompsoni, Baird, Mamm. N. Am., 1857, p. 34. 



Type locality. Racine, Wisconsin. 



Geogr. Distr. Labrador to British Columbia, northern Minne- 

 sota and North Dakota. 



Genl. Char. Verj' small and slender. Ears prominent, feet very 

 small. Tail about as long as the body exclusive of head. Remain- 

 ing characters like those of subgenus. 



Color. Above chestnut brown, with a little hoariness; sides hair 

 brown; beneath dull rusty white. Tail pale Isabella color, as are 

 also the feet. 



Measurements. Average total length, S3; tail vertebrae, 32; 

 hind foot, 10.7. 



