NOTIOSOREX. BLARINA. 555 



Geogr. Distr. Eastern Texas to southern California, and on 

 northern boundary line of Mexico at Monument 66. (Mearns.) 



Gcnl. 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 vertebrae, 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., 



HI, 1877, p. 652. 

 MAZATLAN SHREW. 



Type locality. Mazatlan, State of Sinaloa, Mexico. 



Geogr. Distr. State of Sinaloa, Mexico; range unknown. 



Genl. Char. Larger and darker than N. crawfordi. 



Color. Above plumbeous; tip of hairs brownish; beneath whitish. 



Measurements. Total length, 73 ; tail vertebras, 23 ; hind foot, 11.5. 



523. gigas (Notiosorex), Merr., Proc. Biol. Soc. Wash., xi, 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 vertebrae, 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. 



I-S. or & C S P -S; M.g = 32 or 30. 

 Blarina Gray, Proc. Zool. Soc., 1837, p. 124. Type Sorex talpoides 



Gapper=S. brevicaudus Say. 

 Brachysorex Duvern, Mag. Zool., 2me Se"r., iv, 1842, p. 37. PI. 52. 



