174 PEROMYSCUS. 



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s/ Above grayish broccoli brown P. polius 196 



t/ Above pale buffy fulvous P. grains 196 



u/ Above ochraceous buff and dusky P. g. gentilis 197 



v/ Above mixed buffy and brownish black P. pavidus 197 



w/ Above mixed ochraceous P. madrensis 197 



x/ Above sandy rufous lined with black P. eva 198 



y/ Above dark brown tinged with rufous P. nudipes 198 



z.' Above pale yellowish gray and black P. merriami 198 



za. 'Above cream buff and black P. hemionotis 199 



zb. 'Above ochraceous buff and black. 



a." Tail above wood brown P. gaurus 199 



b." Tail above black P. homochroia 200 



zc. 7 Above pinkish buff and black P. oresterus 200 



C. Size large, not under 230 mm. in total length ; ears large, 

 a. Tail more than half the length of head and body. 



a.' Above cinereous gray lined with black P. leucurus 200 



b/ Above pale brown tinged with buff P.I. gadovi 201 



c/ Above gray tinged with fulvous P. melanophrys 201 



d.' Above darker, tawny band on breast. . . .P. m. zamora 202 



e/ Above tawny ochraceous and black. . .P.m. consobrinus 202 



f/ Above grayish fawn and black P. xenurus 202 



g/ Above grayish brown, face tawny P. zelotes 203 



h. 7 Above light brownish gray and black P. insignis 203 



i/ Above dark gray brown and black. 



a." Sides yellowish brown P. calijornicus 203 



b." Sides buffy ochraceous P. hylocetes 204 



c." Sides brownish fulvous. 



a.'" Total length, 238 mm P. Upturns 204 



b/" Smaller and paler P. lophurus 204 



c.'" Miniature of P. lophurus P. simulatus 205 



d." Sides grayish brown P. jelipensis 205 



j.' Above uniform clay color P. ampins 205 



k.' Above fulvous and black. 



a." Cheeks and sides buffy fulvous P. tehuantepecus 206 



b/ 7 Cheeks and sides pale rufous P. oaxacensis 206 



c." Cheeks and sides golden fulvous P. comptus 206 



1.' Above dusky seal brown P. m. orizabce 207 



m/ Above grayish fulvous and black P.m. saxatilis 207 



n/ Above dusky brown, almost black. . . .P.m. totontepecus 208 

 o.' Above grayish brown and black. 



a/ 7 Sides pale fulvous, upper lip gray P. auritus 209 



b/ 7 Sides reddish fulvous, upper lip black P. furvus 208 



p. 7 Above dusky P. zarhynchus 209 



