xxii 
PAGE. 
Rhithrodontomys c. toluce ...258, 266 
Rhithrodontomys colime .258, 266, 267 
Rhithrodontomys c. nerterus ..258, 267 
Rhithrodontomys costaricensis ... 
Se Aa ast Oa Ce ATM nro 258, 267, 268 
Rhithrodontomys c. jalape ...258, 267 
Rhithrodontomys creper...... 258, 272 
Rhithrodontomys deserti ........ 259 
Rhithrodontomys difficilis ....257, 263 
Rhithrodontomys dorsalis ....258, 272 
Rhithrodontomys goldmani . . .258, 268 
Rhithrodontomys griseiflavus .258, 270 
Rhithrodontomys g. helvolus ..258, 
Rhithrodontomys hirsutus 258, 269, 
Rhithrodontomys inexpectatus 258, 
Rhithrodontomys levipes .258, 270, 
Rhithrodontomys 1. otus...... 258, 
Rhithrodontomys 1. toltecus ..258, 
Rhithrodontomys longicaudus .... 
FOTO Oe ee the 257, 250, 208, 202, 
Rhithrodontomys 1. pallidus ..2 
Rhithrodontomys megalotis ...... 
Se PIS REE 250s 215712505 200.200, 
Rhithrodontomys m. obscurus.257, 
Rhithrodontomys m. sestinensis . . 
Bhs /avasvateatea oka tors we NeRee re cu age Ber, 
Rhithrodontomys m. zacatece 257, 
Rhithrodontomys mexicanus . 
eeeieasdeus roshe Seto eee ores 257, 264, 265, 
fulvescens .. 
SH Ot ORE ee one Ch eo Rea 257, 264, 
Rhithrodontomys m. gracilis ..258, 
Rhithrodontomys m. intermedius . 
Rhithrodontomys microdon ... 
Rhithrodontomys m. albilabris 
Rhithrodontomys orizabe ... 
Rhithrodontomys peninsule . 
Rhithrodontomys perotensis . 
Rhithrodontomys rufescens .. 
Rhithrodontomys saturatus ...... 
Baye rena N che We tae aici! 257, 262, 263 
Rhithrodontomys s. alticola .. .257 
Rhithrodontomys s. cinereus . .257 
Rhithrodontomys tenuirostris 
258, 
S2i5oe 
257) 
5 Es), 
.258, 
Ee eae POPC TEP 258, 268, 
Rhithrodontomys t. aureus ...258, 
Rhithrodontomys tenuis ......258 
rhydinorhis. (Perognathus b.) ... 
270 
270 
271 
27a 
Dis 
Ag) 
263 
262 
262 
261 
260 
260 
268 
204 
to 
INDEX OF LATIN NAMES. 
PAGE 
richardsoni.-" (Scruxus)) 2... eee 128 
richmondi. (Didelphys) ....... TAs nO 
richmondi. (Oryzomys) ..... 235, 248 
richmondi. (Sciurus) .....94, 103, 105 
tigidus. (Lepus) .::.. .. sone 419 
tigidus.. (Sciucus) 2...) 35a 127 
ringens.. \(Tagasstp,)) 72 eae 66 
ringens. (Tayassu-p.) (22 see 66 
Rodentia: ...3.; .¢.2% see 89 
Romerolagus ........ Jee 4II 
Romerlagus diazi .... 5.255. 412 
Romerolagus nelsoni ......... 411, 412 
Rosmarus’ .... 4: 6: >500 eee 36 
rostratus. (Heteromys p.) . ..375, 378 
rostratus. (Liomys p,)) oss 378 
rostratus. (Oryzomys) ..235, 243,244 
rostratus. (Perognathus p.) ..357, 359 
rothschildi. (Coendu)........ 400, 401 
rothschildi. (Dama)... 22.5 72 
rothschildi. (Odontoccelus) ....69,'72 
towleyi. (Peromyscus) 352. 189 
rowleyi. (Peromyscus b.) --2J235 196 
ruatanica. (Dasyprocta) ........ 405 
tufescens. (Rhithrodontomys) ... 
tk Shoals 0 258, 268 
rufescens. (Thomomys) ........ ERY 
rufnus: (Cerviis)) sae 79 
rufinus, (Oryzomys 9.) ecm 235, 247 
rufinus. (Peromyscus) =... .54ee 179 
tufipes. (Sciurus) 2.4240 eee 117 
rufiventer, (Sciurus) 532 115 
tufoniger. ((Scit:cUs)) eae 104 
rufus... (Oryzomys) -. eee 234, 239 
rupestus. (Citellus va)/so-sce8 I4I, 150 
russatus. (Lepus) <2 seas 417, 420 
SACCOMYS: 3... +. . « = wee 368 
Saccophorus ......... 59. = ue 310 
Ssagax. (Peromyscus) esse 173, 194 
salvini. (Heteromys) .......- 369, 370 
sanctidiegi. (Lepus)......... 417, 422 
sarcovienna. (Chironectes) ...... 3 
sartori. (Cervus) 2.2.2 eeeeeee 80 
sartorn. (Mazama)). 2. =e 79, 80 
saturatior. (Oryzomys c.)....234, 239. 
saturatus. (Rhithrodontomys)... 
rrr oy) ei ASE 
saturatus. (Sigmodon h.) ....222, 225 
saxatilis. (Peromyscus m.)...174, 207 
saxicola. (Citellus h.) ...139, 140, 142 
saxicola. (Spermophilus h.) ..... 142 
