MAMMALS 



297 



Subspecies of P. leucopiis 



P. I. leucopus (Raf.). Western Kentucky southward to southern 

 Louisiana ; westward to Oklahoma ; eastward through 

 ]\Iississippi and Alabama to eastern Virginia. 



P. I. noveboracensis (Fischer) . Larger and paler : 

 north-central and eastern States; westward to 

 Kansas and South Dakota; southward to southern 

 Missouri and North Carolina; northward to central 

 Minnesota, Ontario and Maine. 



P. I. fiisus Bangs. Size larger; length 194 mm. : 

 ]\Iartha's Vineyard. 



P. I. aridulus Osg. Like P. I. noveboracensis, but 

 paler and larger; length 184 mm.: South Dakota 

 and Montana to Oklahoma. 



P. I. texanus (Woodhouse). Color darker; 

 molar teeth small: southern Texas and eastern 

 Mexico. 



P, I. tornillo (Mearns). Like P. /. texanus, but 

 larger and paler: western Texas and eastern New 

 Mexico to Colorado. 



P. I. arizoncB (Allen). Like P. I. tornillo, but 

 darker: southeastern Arizona and southwestern 

 New Mexico. 



P. I. ochraceus Osg. Color ochraceous buff: 

 eastern and central Arizona. 



P. gossypinus (LeC). Cotton mouse. Color 

 rufescent cinnamon above; under parts tinged with 

 cream; tail not distinctly bicolor; feet white; length 

 181 mm.; tail 81 mm.; hind foot 23 mm.; mammae 

 6: southeastern and south-central States. 



Subspecies of P. gossypinus 



P. g. gossypinus (LeC). Coast region and 

 peneplain of southern States from Virginia to 

 central Louisiana, except peninsular Florida. 



P. g. megacephalus (Rhoads) . Larger and paler : 

 northern Alabama and western Tennessee to eastern fig 

 Oklahoma and Texas and western Louisiana. 



P. g. palmarius Bangs. Small and paler: peninsular Florida. 



P. g. anastasce (Bangs). Color pale ochraceous buff; size small: 

 Anastasia Island, Florida and Cumberland Island, Georgia. 



1 64. — Perotnyscui 

 leucopus {Rhoads). 



