— 
PEROMYSCUS. 
2 A Sr hai Bs ha? eal, At peer Reto ee ne _P. allex 
bY Above dark oray butt and black 2-3 oe P.m. brunneus 
c.’ Above Vandyke brown and blackish. ...P.m. nigrescens 
d.’ Above pale grayish fulvous, ears large...... P. thurbert 
oe.) AboverProut's biowly ts ee ee se eee P. t. mesomelas 
f.’ Above Prout’s brown and burnt umber... P. t. castaneus 
g.’ Above dark grayish fulvous, auricular 
WlitteySPOb area ears Co ee eee P. labecula 
h.’ Above dark grayish fulvous, no auricular 
WARIUERS Ob: 2 /5f ey acon eee eee ee eee P. cecil 
i.’ Above yellowish brown and dusky......... P. melanotts 
je | DOVE CUIMA TN Gay RUOUS ss nee eee P. m. zamelas 
<.’ Above yellowish brown and dusky......... P. spicilegus 
1.’ Above tawny. 
ak A aa TCOLOI Eo a. cceh-08.0 ate ee ee P. s. evides 
bf anlanicolorsss 2c scales oe eee P. s. stimulus 
m.’ Above fulvous brown and black. 
a.’ Sides OchTaceOusia: 28a «ors a oe P. affints 
by Sides "dralbsoray.. sete ee eee P. a. musculotdes 
ce.” Sides grayish and fulvous brown....... P. cozumele 
de’ Sides( pale fully ous. Ee anes eee ee P. geronimensis 
e.7 “Sidesibrowaish ful Vouss ce) e eee P. dubtus 
n.’ Above dark cinnamon and brownish gray P./. sonortensts 
©.” Above vanaccous*pitie yee aa aes eee P. Ll. blandus 
pL bOWE TUSSE bis! «st: Nera a. teas en P. 1. fjulvus 
g: Above: dark, Tutouses 477.135 ch oe ee ee P. exiguus 
r.’ Above brownish mouse gray. 
a. Sides yellowish ona. ots caee ora ee P. mexicanus 
ibe’? -Sidesichestmitt: <.\. 2 s2u.5 Seen coer P.m. teapensts 
S.A bove mlimmiy: OTOWiis. ams ee eee P. allophilus 
. Tail longer than half the length of the body 
and head. 
a.’ Above gray brown suffused with pinkish 
Dats en ae hos ee ac ag he oy a or P. paulus 
b.’ Above fulvous brownand black. ..--.2. 223. P. cherrit 
ef Aboverusty red: andirutoug 2.) 0. eee P. asztecus 
d.’ Above brownish fulvous and black, head 
and Shoulders pray 2s): 2 ee ee P. beate 
Above yellowish wood brown and black. .P. jraterculus 
f.’. Above blackish brown tinged with grayish 
PTL VOUS ec. BRAY Ashe 0. eee pee Ok ee ae P. propinquus 
Above ash'craytand: black 226... 221. ae ee P. anthonyt 
he vAbove, ochraceous bull. S27 ce sie eee P. goldmant 
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