PEROMYSCUS. 173 
PAGE 
i.» Above cimereous pale brown..-............ P. texensis 186 
* -mpove dark ‘plumbeous slate. ......:..... P.t. arizone 186 
i weewe dark iawn brown... =)... 15... 5.4 P.t. flaccidus 187 
1.’ Above drab tinged with burnt umber..... P. t.clementis 187 
SPEEDY Ss Soe ee no P.t. coolidgit 187 
me DOVE pale-cinereous drab... s... 22... .- P. t. deserticola 188 
B. Size medium, not under 190 mm. nor over 
230 mm. 
a. Tail longer than head and. body. 
weve eht bropeoli brown... . 2... 600... P. tornillo 188 
PMMAVECNSETS DIOWE 2 2. 26.)y 08 cing oles oe oe se P. gymnotis 188 
re OLIVE DUN Ses ne Ss eg ese ss P.r. pinalis 189 
d.’ Above pale yellowish brown and black. 
MES EAMONN Sot te Se de severe eae 8-8 P. martirensis 189 
b.” Sides fulvous. 
a.’”” Supraorbital bead well developed. 
Pa PPTUOS BOWIE. ca hx ok 2s ws ao oe P. banderanus 189 
be) einkles Sooty Diack) <0. ese. P.b.vicinior 190 
b.’’” Supraorbital bead obsolete. ....... P.b. angelensis 190 
Beene ve-pravish cream buff ....).....5.....: P. stephenst 190 
f.’ Above pale yellowish gray and black....... P.eremicus 191 
g.’ Above dark yellowish gray and black....P.e. pheurus 191 
h.’ Above pale ochraceous drab and black...P.e. arenarius 191 
i.’ Above pale ochraceous buff and black...P.a. pectoralis 192 
J 
k 
j... Above pinkish buff and dusky........ P.a.eremicoides 192 
.. Above mixed black and orange buff; tail 
RaRetar ee MONEE. POTION (2a 2 ws, slo's wid eves 5 = esn'w P.metallicola 192 
1.’ Above dark brown tinged with pale fulvous. 
eS OCMEACCOIUS i ne nin caer 8 o's P.cedrosensis 185 
Rees THItEy CHITATMON. 245264... ae see oy Oe P. difficilis 193 
G pides tawny OCHTACeOUS 4... 6 ee fe ee P. bullatus 193 
d.’” Sides grayish brown and buff.............. P.sagax 194 
m.’ Above fulvous and black, lateral line ful- 
CGE Ge eee tee ent De ecg ae Se P. yucatanicus 194 
n.’ Above darker, lateral line cinnamon ru- 
BORER oe Rat Wa Ne Be a aoe (a aw SPY eh, 8 Se P.y.badius 194 
o.’ Above ash gray and black tinged with 
ROG ESTISE Dt tents whe ge Ss ahs te he Bhat ete oo P. cineritius 195 
pe pave prayisk Drown si iss 2 Los) nie ae P.levipes 195 
q.’ Above mixed glossy brown and pale yel- 
Reape OTN Wie oi tia een Li Fo elses oni oe P. boylit 195 
tT.’ Above drab gray tinged with ochraceous 
Dia race Ree te Sa ad cae G82. OY So Sc P. b. pentcillatus 196 
