550 SOREX. 



PAGE 



b.' Rump paler mixed brown and dusky 5. stizodon 551 



e. Beneath dark gray or blackish S. orinus 553 



B. Size large; total length, 118 mm. or over. 



a. Hind foot 15 mm. or over. 



a/ Beneath pale dusky brown; above black. . .5. vcr&pacis 551 

 b/ Beneath seal brown. 



a." Above sepia and black S. macrodon 552 



b." Above sepia brown tinged with chest- 

 nut S. godmani 552 



c." Above sepia brown and dusky 5. sclateri 552 



b. Hind foot less than 15 mm. 



a/ Beneath drab gray; tail 47 mm .S. saussurii 553 



b/ Beneath seal brown; tail 57 mm 5. s. mutabilis 553 



512. orizabae (Sorex), Merr., N. Am. Faun., No. 10, 1895, p. 71. 

 MINUTE SHREW. 



Type locality. Mount Orizaba, State of Puebla, Mexico. Alti- 

 tude, 9,500 feet. 



Geogr. Distr. Southern Mexico, States of Puebla, Tlaxcala, Vera 

 Cruz, Mexico, and Michoacan. 



Genl. Char. Size very small; belly pale color. 



Color. Above sepia brown and dusky, darkest on hinder back; 

 beneath ashy gray; tail brown above, whitish beneath. 



Measurements. Total length, 103; tail vertebrae, 38; hind foot, 13. 



513. oreopolus (Sorex), Merr., Proc. Biol. Soc. Wash., vn, 1892, p. 173. 

 LOFTY MOUNTAIN SHREW. 



Type locality. North slope of the Sierra Nevada de Colima, State 

 of Jalisco, Mexico. Altitude, 10,000 feet. 



Geogr. Distr. State of Jalisco, Mexico. 



Genl. Char. Similar to 5. obscurus, but tail shorter; colors darker. 



Color. Above mixed sepia brown and dusky; beneath drab; tail 

 above dusky, beneath whitish. 



Measurements. Total length (average), 104.7; tail vertebrae, 36.3; 

 hind foot, 13.7. (Merr., 1. c.) 



obscurus ventralis (Sorex), Merr., N. Am. Faun., No. 10, 1895, p. 75. 

 CHESTNUT-BELLIED SHREW. 



Type locality. Cerro San Felipe, State of Oaxaca, Mexico. Alti- 

 tude, 10,000 feet. 



Geogr. Distr. State of Oaxaca, Mexico. 



Genl. Char. Size small; tail short; similar to 5. obscurus. but 

 darker ; molariform teeth larger. 



