296 VERTEBRATE ANIMALS OF THE UNITED STATES 



P. m. oreas (Bangs). Size large; color very dark; length 215 mm.; 

 tail 1 20 mm. ; hind foot 23 mm. : western Washington from the Columbia 

 River into British Columbia. 



P. m. artemisia (Rhoads). Color brownish fawn: northwestern 

 Wyoming to western Washington and British Columbia. 



P. m. austerus (Baird). Color very dark: coast region of Puget 

 Sound. 



P. m. rubidus Osgood. Like P. m. oreas, but paler and tail and hind 

 foot shorter: coast region from San Francisco Bay to the Columbia. 



P. m. gambeli (Baird). Like P. m. rubidus, but smaller and paler: 

 central Washington to Lower California; coast region south of San 

 Francisco Bay. 



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 through western Nebraska to western Texas. 



P. m. bairdi (Hoy and Kennicott). Color very dark; back black: 

 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. polionotus (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; mammae 6: 

 southeastern States. 



Subspecies of P. polionotus 



P. p. polionotus (Wag.). Open fields of northern 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: west-central 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.; mammae 6: 

 eastern and central States; very common. 



