550 SOREX. 
PAGE 
b.’ Rump paler mixed brown and dusky....... S. stizodon 551 
e. Beneath dark gray orpblackish yee ee S. orinus 553 
B. Size large; total length, 118 mm. or over. 
a. Hind foot 15 mime or over. 
a.’ Beneath pale dusky brown; above black...S. verepacits 551 
b.’ Beneath seal brown. 
a." SAbOVE Sepia, ancl lo lalchk: ian ernest eee S. macrodon 552 
b.’” Above sepia brown tinged with chest- 
TRI is,2 Sue is beeen, Se wien ieee ee Oe S. godmant 552 
c’ Above sepia brown and duskye is eee S. Sclatere= 552 
b. Hind foot less than 15 mm. 
az’ Beneath drabesray, taiha7 mim... eee S. SQUSSUTI 553 
ba =Beneath seal brown: tailles7: mam a eee S.s. mutabilis 553 
512. orizabz (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 vertebrez, 38; hind foot, 13. 
513. oreopolus (Sorex), Merr., Proc. Biol. Soc. Wash., vi1, 1892, p. 173. 
Lorty 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 S. 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 vertebra, 36.3; 
hind foot, x3.7. (Merr., ic) 
obseurus 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 S. obscurus, but 
darker; molariform teeth larger. 
