LIST OF ILLUSTRATIONS. 
PAGE 
NeGOtOmia MUCTOPTIS iy ca veg oe ally > ote Caasene Rice pee eee ee 276 
Nelsonita meotomodon f.25.s ecm ees ecueiers vie ter Care cence, eae mie 289 
Mienomys melsond aha. ns Berne ge Nee then 4 getty Oe aes 291 
WNeotomedom-sletomt. i ciali oad cccuk se ap ne dp ook ns se eee 293 
PPOATODUS RGN AR ¥.) stcils bres sie eel can hie vei nto ip) eet eenets SNORE Seeman 295 
Plo donnys eller la. th ee uate age eat eget cin e/a yand o ocfoacral oe ee 296 
Maierotus 6; Dy perythrusses, fo ews. ase Sng ys, coun ee ae eee 300 
NMISrotus. Gr ubyad Ws) GASLA CSE: cs)! rohit We gan us a's ata seater Pe 303 
Microtus, (Orthriotirs) im bros) Flax. aes qs Santa eee a Cae 304 
Microtus: (Herpetomys), puatemalensis v0 ols i: scence nse one on 305 
BIGOT 2) PAMGMUS=. 3 cat spsce at BS eat coe by eR Re aka NTR are Mn eae 307 
GEOMYS ALEMATIMS: . fans. 45. 5.0 abe Sivindiiata Maree Ose meee Te eee ast 
Cratosceomiys: CaStAMOPS) no ie deo optan aed maha aretnctce ence ie te Sere eae 312 
PIAtyocomys: oy mmr So aie Be beta ne oa glen poe ney ete ee ae ay 
Pappogeomys billet, (0s ey) f ne nue Sa -pistas sto oe eats a aierene pana eee ee 321 
Mrthoseomys Scallops: isi wc hte eye eieeye se a ve ieee nt eee nee a 323 
ELSteTOSCOMLYS TOMdUS!. . . . Saki pie shen a tes Lee = eee ee ee 325 
MacrGseOoiys CHEMIE 5 ' Misc cle tee ches wand x, Mey all tre wee eer ea 327 
AIVSOSEOMYVS CIC MODUS a5. ai acts. s cite ites a Ha ae a SEG Te, nee ed 331 
TR GIIOMUY'S, ATTOMATIUS 6. 2 oo ere diaries wine eel ieeliee ke ac 
DTV OW OMS, MUMS. esas coe <rah atte aac ea gy tn geege: Sere etic aot eanea 342 
Perodipus chapmani- <0 is"... vie eas ove © > acl) eae eee 349 
MeTOgMAtOUSMMENClaMIl a4. Fain torte elas c 2, & nS pasla i fhe Witatan) soe eet ee aes 
Peroonathus: (Chetodipus) f.mesopolius: ..:. 0. nye vee ie ee 356 
Pleteronnys COMMON oe gah cea cetdte ieee ahs eA aay Ane eee 368 
Heteromys (Liomys): alboltmbatus:. ¢ 0.3). ¢ oc. gs = « ogee ate wena 374 
EOriG SPOS eUIlES y o.\is vite soarngiem als etc tac ace aun ia ong tle cise ka aaa enti ane ace 3830. 
Proethimonys Gemtpaliss, 2.5 oles tet a core snc <p se aeoty tens Ria een 386 
WANLOMLYS PUOTECES: Gilet Wel «tater sah tite) ahaa ars fell ieee eReRa] o 389 
Capromys (Geocaptromiys) Broil: «eq... py ps ae ote 2 eee meee 393 
JedU-Youvolelerayat ye: Vocals santana? eset Peer Sore Sc eee te my nak NORMED ic Stee Rae.) <4) 395 
EPStinZOnepUrantNUne sant inne: 2 fry SW mek to ah arco gee ee 398 
GoenciemeExicamuinl on ase eee ee teen ete Gn eiiegs 3c a reer cies eee eects ee 400 
DesSyProcta Mexicana? . Jo). cs ccs o wtiee td oon Is See a may Meee a 404 
ROMEFOlASUS TElSOMi ho caters Ole coger eiesia aes oN ae see e tant ot co sty 412 
Lepus (Silvilagus): s@beitietusis | once ews kare ee oe trem Ae chy aie 416 
Lepus: (Tapeti) Cabin care ccsesee Oa ne secon aoa ee is oe le hee ee 427 
Lepus (Mierolagus) cimerascems’s Gorm sca ok ie nl gon os sete ee 430 
