FIELD BOOK OF MAMMALS 



6.6-7.3 inches; tail vertebrae, 3.2-3.6 inches; hind foot, .68— 

 .80 inch; ear from notch (in dry skin), .54-.68 inch. Found 

 in "Southeastern United States from North Carolina to 

 northern Florida; west to eastern Texas and Oklahoma. 

 Lower Austral Zone." (Osgood) 



Subgenus Podomys 

 Floridanus Group 



Plantar tubercles five. 



Florida White-footed Mouse. — Peromyscus floridanus (Chap- 

 man). 

 Large in size; tail less than half total length, ears large, 

 sparsely haired; sole of hind foot hairy for fifth of length. 

 Upperparts pale ochraceous buff with varying amounts of 

 dusky mixture; more ochraceous along lower sides; tufts 

 at bases of ears pale ochraceous buff mixed with dusky; 

 pelage of ears dusky outside, whitish inside; feet white, 

 forelegs white; upperside of hind feet slightly dusky; tail 

 brownish dusky above, creamy white below; underparts 

 creamy white, frequently with ochraceous buff spot on pec- 

 toral region. Total length, 7.6-8.8 inches; tail vertebra, 

 3.2-3.8 inches; hind foot, 1.2-1.3 inches; ear from notch, 

 .88-1.0 inch. Found in "The central part of peninsular 

 Florida from coast to coast." (Osgood) 



Subgenus Haplomylomys 



Tail always more than half of total length ; plantar tubercles 

 six; molar teeth simple in character, without accessory cusps 

 or with them in a very reduced condition. 



Crinitus Group 



Canyon Mouse. — Peromyscus crinitus crinitus (Merriam). 

 Pelage long and lax; tail longer than length of head and 

 body, closely covered with long, soft hairs, with a distinct 

 tuft of longer hairs at tip; ears large; sole of hind foot hairy 

 for one-quarter of its extent (proximal). Upperparts a 

 mixture of dusky and pale ochraceous buff ; grayish on fore- 

 head, nose, and upper face; hands and feet white; tail 

 blackish above, white below, distinctly bicolored; under- 

 parts white, often with pectoral spot of weak buff. Total 

 length, 6.9-7.4 inches; tail vertebrae, 3.7-3.9 inches; hind 

 foot, .84 inch; ear from notch (in dry specimens), .62-. 70 

 inch. Found in "Rocky cliffs and canyons of southern 

 Idaho, eastern Oregon, eastern California, northern Nevada, 

 and northwestern Utah. Upper Sonoran Zone." (Osgood) 



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