3o6 



VERTEBRATE ANIMALS OF THE UNITED STATES 



P. m. sonoriensis (LeC). Size small; color ochraceous buff: Great 

 Basin region. 



P. m. rufinus (Merriam). Like P. m. sonoriensis, but darker: 

 southern Rocky Mountain region. 



P. m. nebrascensis (Coues). Like P. m. 

 sonoriensis: eastern base of the Rockies from 

 Canada to western Texas. 



P. m. luteus Osg. Like P. m. nebrascensis, 

 but smaller: western South Dakota to Kansas. 



P. m. bairdi (Hoy & Kennicott). Color very 

 dark; back black; size like P. m. luteiis: prairie 

 region of the upper Mississippi Valley; south to 

 Oklahoma ; east to eastern Ohio ; north to Manitoba. 



P. m. pallescens (Allen). Like P. m. bairdi, but 

 smaller (length 126 mm.) and somewhat paler: 

 central Texas. 



P. polionotiis (Wagner). Size very small; 

 length 130 mm.; tail 47 mm.; hind foot 16 mm.; 

 color uniformly brownish fawn; under parts creamy 

 white; feet and forelegs white; tail mostly bicolor: 

 southeastern States. 



Subspecies of P. polionotus 



P. p. polionotus (Wag.). Open fields of north- 

 ern Florida and southern Georgia. 



P. p. niveiventris (Chapman). Size larger and 

 color paler: sandy beach region of eastern 

 Florida. 



P. p. rhoadsi Bangs. Length 124 mm.; color 

 darker than P. niveiventris: southwestern Florida. 



P. p. albifrons Osg. Like P. p. rhoadsi: coast 

 of western Florida and Alabama. 



P. leucopus (Rafinesque). Common white- 

 footed or deer mouse (Fig. 164). Color brownish 

 gray above; under parts and feet pure white; length 

 166 mm.; tail 77 mm.; hind foot 20 mm.: eastern 

 and central States; very common. 



Fig. 164. — Peromyscus 

 leucopus (Rhoads). 



Subspecies of P. leucopus 

 P. I. leucopus (Raf.). Western Kentucky 

 southward to southern Louisiana; westward to Oklahoma; eastward 

 through Mississippi and Alabama to eastern Virginia. 



