172 PEROMYSCUS. 



PAGE 



b/" Larger P. allex 175 



b.' Above dark gray buff and black P.m. brunneus 176 



c.' Above Vandyke brown and blackish. ...P.m. nigrescens 176 



d/ Above pale grayish fulvous, ears large P. thurberi 176 



e.' Above Prout's brown P. t. mesomelas 177 



f.' Above Prout's brown and burnt umber. . .P. t. castaneus 177 

 g.' Above dark grayish fulvous, auricular 



white spot P. labecula 178 



h/ Above dark grayish fulvous, no auricular 



white spot P. cecilii 1 78 



i/ Above yellowish brown and dusky P. melanotis 178 



j/ Above cinnamon rufous P.m. zamelas 179 



k/ Above yellowish brown and dusky P. spicilegus 179 



I/ Above tawny. 



a." Tail bicolor P. s. evides 179 



b/' Tail unicolor P. s. simulus 180 



m/ Above fulvous brown and black. 



a." Sides ochraceous P. affinis 180 



b." Sides drab gray P. a. musculoides 180 



c." Sides grayish and fulvous brown P. cozumela 181 



d." Sides pale fulvous P. geronimensis 181 



e." Sides brownish fulvous P. dubius 181 



n/ Above dark cinnamon and brownish gray P. I. sonoriensis 181 



o/ Above vinaceous buff P.I. blandus 182 



p/ Above russet P.I. ftilviis 183 



q.' Above dark rufous P. exiguus 183 



r.' Above brownish mouse gray. 



a." Sides yellowish gray P. mexicanus 207 



b." Sides chestnut P.m. teapensis 207 



s/ Above mummy brown P. allophilus 208 



b. Tail longer than half the length of the body 



and head, 

 a/ Above gray brown suffused with pinkish 



buff P. paulns 1 76 



b.' Above fulvous brown and black P. cherrii 183 



c/ Above rusty red and rufous P. aztecus 184 



d/ Above brownish fulvous and black, head 



and shoulders gray P. beata 184 



e/ Above yellowish wood brown and black. .P. jratcrculns 184 

 f .' Above blackish brown tinged with grayish 



fulvous P. propinquus 185 



g.' Above ash gray and black P. anthonyi 185 



h.' Above ochraceous buff P. goldmani 186 



