a 
PEROMYSCUS. 
bi! Darpers as aches 94 cts ati on Se alles 
b.’ Above dark gray buff and black......... P.m. brunneus 
c.’ Above Vandyke brown and blackish... .P. m. nigrescens 
d.’ Above pale grayish fulvous, ears large...... P. thurbert 
&/ Above Protut'sbrowncet eee P.t. mesomelas 
f.’ Above Prout’s brown and burnt umber... P. t. castaneus 
g.’ Above dark grayish fulvous, auricular 
Wilke Spots 33/2 fie. ngren ss hs tea we tori P. labecula 
h.’ Above dark grayish fulvous, no auricular 
Wie SPO. tc tanmatae oe kh Mien e chee reer P. cectlu 
i.’ Above yellowish brown and dusky......... P. melanotis 
1: (ADOVe- Cinnamon TOROS. Ch Ss. ek Soe P. m. zamelas 
.’ Above yellowish brown and dusky......... P. spicilegus 
1.’ Above tawny. 
gee 8) Lip oy Caco) Lo) gaan aoe 2 PP eye P. s. evides 
1/4 Raid UNI COO o sca hee nee P. s. simulus 
m.’ Above fulvous brown and black. 
asf Sides OChPAateousn ct: o wc wuokis iy oe eee P. afjinis 
Det “OIGes Uta beerayes crac. wc tat c cea P. a. musculotdes 
c.”’ Sides grayish and fulvous brown....... P. cozumele 
do? sides pale Tul vous. seescry cece oe P. geronimensis 
6 1s, brownish ful vous. |<. 45 ose Ws ete P. dubius 
n.’ Above dark cinnamon and brownish gray P./. sonortensis 
0.” JADOVe ViINACeOUS DUE 5. oe nia cn eee P. 1, blandus 
Die DOVE TUSSEGN eat Gin< toh nen cues Spee antes P. Ll. julvus 
qe "Above dark Tufous. 2... csets a ond oa eee P. exiguus 
tr.’ Above brownish mouse gray. 
a.” Sides yellowish. Svay i. s...s0. eee esse P. mexicanus 
be Sides Ghestaritt Ji... ien «etn eer tee P.m., teapensts 
so Abovemiumimiy browilx aces ayes eee P. allophilus 
. Tail longer than half the length of the body 
and head. 
a.’ Above gray brown suffused with pinkish 
DONATE ga ce Sot ac ok ee P. paulus 
b.’ Above fulvous brown and black ............ P. cherrit 
c.’ Above rusty ted ant TuGus ca... 6... ee P. aztecus 
d.’ Above brownish fulvous and black, head 
atid: shouldetsignays 7 (temo te cow eet eee P. beate 
e.’ Above yellowish wood brown and black. .P. fraterculus 
f.’. Above blackish brown tinged with grayish 
PUL VOUS 5550 Sie, ees Oe ae P. propinquus 
g.’ Above ash gray and blaekccse. sc se ee P. anthonyt 
h.’ Above ochracéous Dutt... te ees P. goldmani 
