SOREX. 553 
Measurements. Total length, 126; tail vertebre, 52; hind foot, 
16. Skull: total length, 20; width, 9. 
520. saussurii (Sorex), Merr., Proc. Biol. Soc. Wash., vir, 1892, 
(om yy ie é' 
SAUSSURE’S SHREW. 
Type locality. North slope of the Sierra Nevada de Colima, State 
of Jalisco, Mexico. Altitude, 8,000 feet. 
Geogr. Distr. State of Jalisco, Mexico. 
Genl. Char. Size large; tail short. Skull large, rostrum high, 
swollen; third unicuspid smaller than fourth; palate narrow; post- 
palatal notch broad. 
Color. Above mixed sepia brown and dusky; beneath drab gray; 
belly clouded; tail dark brown above, paler beneath. 
Measurements. Total length (average), 118.5; tail vertebra, 47; 
hid foot, 14.5. (Merr., 1. c.) 
a.—mutabilis (Sorex), Merr., Science, N. S., vil, 1898, p. 782. 
caudatus (Sorex), Merr., N. Amer. Faun., No. 10, 1895, p. 84. 
(nec Hodgson, 1851.) 
CHANGEABLE SHREW. 
Type locality. Reyes, State of Oaxaca, Mexico. Altitude, 10,200 
feet. 
Geogr. Distr. State of Vera Cruz to that of Oaxaca, Mexico. 
Genl. Char. Like S. saussuri1, but tail longer; third unicuspid 
slightly smaller than fourth. 
Color. Above mixed sepia and black; beneath seal brown; tail 
and feet blackish, the former brownish beneath. 
Measurements. Total length, 126; tail vertebre, 57; hind foot, 
DALE. 
521. orinus (Sorex), Elliot, Pub. Field Columb: Mus., 111, 1903, 
p. 172. Zodlogy. 
MounrtTAIN SHREW. 
Type locality. Ajuaje de las Fresas, San Pedro Martir Mountains, 
Lower California, Mexico. Altitude, 6,000 feet. 
Genl. Char. Similar to S. vagrans, but darker, without russet 
color and much darker under parts. Skull with shorter rostrum, 
flatter braincase, lower occipital region, and smaller teeth. 
Color. Upper parts sepia, beneath dark gray or blackish; hands 
and feet whitish; ears sepia. 
Measurements. Total length, 103; tail vertebre, 43; hind foot, 
12; ear, 6. Skull: occipito-nasal length, 15; Hensel, 14; interorbital 
constriction, 3; length of rostrum, 9.5; palatal length, 6. 
