as 
NOTIOSOREX, BLARINA. 555 
Geogr. Distr. Eastern Texas to southern California, and on 
northern boundary line of Mexico at Monument 66. (Mearns.) 
Genl. Char. Size small; ears large, conspicuous; hind feet and 
tail short; other characters same as those of the genus. 
Color. Above olive gray, beneath whitish; tail bicolor, agreeing 
above and below with the hues of the body. 
Measurements. Total length, 82; tail vertebra, 26; hind foot, 
10.5; ear, 6.5. Skull: total length to end of incisors, 17.3; greatest 
breadth, 8. 
a.—evotis (Sorex), Coues, Bull. U. S. Geol. & Geog. Surv. Terr., 
Ml, 1877, Dp. 052. 
MAZATLAN SHREW. 
Type locality. Mazatlan, State of Sinaloa, Mexico. 
Geogr. Distr. State of Sinaloa, Mexico; range unknown. 
Genl. Char. Larger and darker than N. crawford. 
Color. Above plumbeous; tip of hairs brownish; beneath whitish. 
Measurements. Total length, 73; tail vertebra, 23; hind foot, 11.5. 
523. gigas (Notiosorex), Merr., Proc. Biol. Soc. Wash., X1, 1897, p. 227. 
GIANT SHREW. 
Type locality. Mountains of Milpillas near San Sebastian, State 
of Jalisco, Mexico. 
Geogr. Distr. Mountains of Milpillas, near San Sebastian, State 
of Jalisco, Mexico; range unknown. 
Genl. Char. Larger than N. crawfordi, tail longer. Skull: brain- 
case highly arched; teeth white throughout; molars crowded. 
Color. Uniform slate gray above, paler beneath with a tinge of 
brown on the belly; tail like dorsal and ventral portions of body. 
Measurements. Total length, 128; tail vertebra, 45; hind foot, 
15. Skull: total length, 23; greatest breadth, 10.5. 
The next genus contains the largest of the American Shrews 
whose habits are nowise aquatic, but the various members are not 
all built on the same generous plan, for some of the species are of 
moderate size, one, indeed, being very small. 
111. Blarina. Shrews. 
4-4 $23, tet op oe, ae 2 
L—, or ==; C—; P.—; oer = 32 Or 30. 
Blarina Gray, Proc. Zoél. Soc., 1837, p. 124. Type Sorex talpoides 
Gapper=S. brevicaudus Say. 
Brachysorex Duvern, Mag. Zool., 2me Sér., tv, 1842, p. 37. Pl. 52. 
