Genl. Char. Similar to S. californicus , but the skull is flatter, 

 smaller and much narrower. 



Color. Above pale ash gray, beneath white; feet white; tail 

 dark above, white beneath. 



Measurements. Total length, 103 ; tail vertebra:, 42 ; hind 

 foot, 12.5. 



a.— nanus. Merr., N. Am. Faun., No. 10, 1895, p. 81, pi. viii, figs. 



5. 5"- 



Type locality. Estes Park, Colorado. 



Geogr. Distr. Colorado, Montana (Fort Custer). 



Genl. Char. Size small, similar to .S'. tenellus, skull more slender 

 and teeth smaller. 



Color. Above sepia brown, darkest on the back, under parts 

 and feet grayish ash; tail above sepia brown, beneath whitish, tip 

 dark. 



Measurements. Total length, 105; tail vertebrae, 42; hind foot, 10. 



557. longirostris. [Sore.x), Bachm. Jour. Acad. Nat. Scien. Phil., 



1837, III, Pt. II, pp. 370-373, pi. x.xiii, fig. 2. 



Type locality. Swamps of Santee River, South Carolina. 



Geoi^r. Distr. North and South Carolina, probably Georgia and 

 Florida also. 



Genl. Char. Size small; third unicuspid smaller than fourth. 



Color. Above chestnut brown, beneath ashj' tinged with drab; 

 tail above dark brown, beneath paler. 



Measurements. Average total length, 85.6; tail vertebrae, 31.9; 

 hind foot, 10.7. 



558. fisheri. {Sorex), Merr.,N. Am. Faun., No. 10, 1895, p. 86, pi. 



Iv, fig. 4. 

 'J'ype locality. Lake Drummond, Dismal Swamp, Virginia. 

 Geogr. Distr. Virginia and North Carolina. 

 Genl. Char. Similar to .S". longirostris, but larger. 

 Color. Above dull chestnut brown, beneath drab brown; tail 

 above very dark brown, beneath pale brownish, tip dark all around. 

 Measurements. Total length, 108; tail vertebr*, 39; hind foot, 12. 



559. pacificus. {.'^••re.x), Baird, Bull. U. S. Geol. and Geog. Surv., 



1877, III, 3, p. 650. 



Type locality. Fort Umpqua, mouth of Unipqua River, Oregon. 



Geogr. Distr. Pacific coast from Point Reyes, California, to 

 Yaquina Bay, Oregon. 



Genl. Char. Size large, skull massive; first and second unicus- 

 pids subequal; fourth larger than third; fifth, variable, orange 

 tipped. 



