258 RHITHRODONTOMYS. 
b.’-Small; totaldength, 105 ninis sr. R. m. gracilis 
e” Smallest; total deneth,, 152) mums. sna e estes ce R. tenuis 
f. Above golden yellow and black. 
a.’ Beneath white, tinged with salmon ful- 
VOUSES oilseed sie wae ea R. chyrsopsis 
by’ - Beneath: whitish’). 32-y a0 4-5 a eee eee R. c. toluce 
g. Above yellowish fulvous and black; beneath 
bitiy salmon. 2c eek at ast Gale eee R. perotensts 
h. Above golden fulvous; beneath buffy salmon. 
Bree all, DOR RAS etary eee nce eee ee R. onizabe 
Boy Pail, oO% Dm... ken ces ciel en erate eee een R. colime 
Gye Pail 2 FO) MUN. ee eee er Oe Oe R. c. nerterus 
i. Above ferrugineous brown and black; be- 
neath white, washed with yellow......... R. costaricensis 
j. Above pale ferrugineous brown and black; 
beneath: white. .sttmcnr ee con eaels aeeeneer R. c. jalape 
k. Above ochraceous fulvous; beneath white....R. goldmani 
1. Above rufous and black; beneath orange 
DUE Or - Orance! Otay. Aes k commas cece tie R. rufescens 
m. Above fulvous, grading to ferrugineous; be- 
eath salmon Tulvious: ace swe es ke R. tenutrostris 
n. Above paler fulvous; beneath fulvous........ R. t. aureus 
o. Above reddish fulvous; beneath salmon 
1308 (015 Oe eo SER AL eget AM ene mre or 8 R. microdon 
p. Above fulvous, beneath white........... R. m. albilabris 
q. Above yellowish fulvous and black; beneath 
WHINGSS vee eh tA Ww atelote ie save Ree ee Ae Oe ce R. hirsutus 
r. Above buffy gray; beneath white......... R. grisetflavus 
s. Above orange fulvous and black; beneath 
SVL, 2k aim: os ARE ep te ee et R. g. helvolus 
t. Above fulvous and black; chin, throat, and 
under parts palecialvous 1 tt .hsnc sn ste eae R. levipes 
u. Above fulvous and black; chin, throat, and 
under parts pale fulvous, ear larger, tail 
HOn OT 5 Ses a lal bier 2 oss Sak fal eee ne te eee R. Ll. otus 
v. Above yellowish brown and black; beneath 
WHIGISI Pieces it uate & 5 5) 5 eae nc) eae R. 1. toltecus 
2p 
CERO it eee rr ey tee . tnexpectatus 
x. Above grayish, washed with buffy and lined 
with black; beneath buffy white ............ R. dorsalis 
7. Above bistre; beneath dark cinnamon......... R. creper 
is 
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