CONTENTS 
xiii 
Suborder PERISSODACTYLA 
Family Tarrripa, 370; Tapirus, 370; Paleotapirus, 373. 
Family LOPHIODONTIDA, 373. Family PALHOTHERIIDA, 375. 
Family Equipe, 376; Protohippus, 380; Hipparion, 380; 
Equus, 381. Family RHINOCEROTIDA, 402; Rhinoceros, 402; 
Extinct types, 411. Families LAMBDOTHERIID#, CHALICO- 
THERIID#, and TITANOTHERIIDS, 412. Family Macrav- 
CHENIIDA, 414. Family PROTEROTHERIIDA, 414. 
SUBUNGULATA 
Suborder HYRACOIDEA : 
Family Hynacips, 415 ; Hyrax, 417 ; een 418. 
Suborder PROBOSCIDEA 
Family ELEPHANTIDE, 423 ; Elephas, 424 ; ans 431. 
Family DINOTHERIIDE, 435 ; Dinotharint, 435. 
Suborder AMBLYPODA 
Vintatherium, 436 ; Bioelpinarn, 437. 
Suborder CONDYLARTHRA 
Suborder ToxopontTIa : ‘ : 
Nesodon, 439 ; Toxodon, 439 ; Typotherium, 440. 
Group TILLODONTIA 
Bibliography of Ungulates 
CHAPTER X 
Tae ORDER RODENTIA 
Suborder SImPLICIDENTATA 
Section SCIUROMORPHA, 448. Family ANOMALURIDA, 449 ; 
Anomalurus, 449. Family Scruripz, 450; Scturus, 450 ; 
Rhithrosciurus, 452; Xerus, 452; Tamias, 452; Pteromys and 
Scturopterus, 453; Hupetaurus, 454; Extinct genera, 454; 
Arctomys, 454; Cynomys, 455; Spermophilus, 456; Extinct 
genera, 457. Family HapLopontips, 457; Haplodon, 457. 
Family Castorips, 457; Castor, 457. Section MyomorrHa, 
459. Family Myoxipm, 459; Myoxrus, 459; Eliomys, 459 ; 
Graphiurus, 459 ; Claviglis, 460; Muscardinus, 460. Family 
LopHiomyID#&, 460; Lophiomys, 460. Family Muripa, 461 ; 
Hydromys, 461; Xeromys, 461; Platacanthomys, 462; Gerbillus, 
462; Pachyuromys, 462; Mystromys, 462; Otomys and Dasymys, 
462; Malacomys, 462; Phiewomys, 462; Dendromys, 463 ; 
Cricetus, 463; Holochilus, 464; Sigmodon, 464; Rhithrodon 
and Ochetodon, 464; Neotoma, 464; Hypogeomys, 465 ; Nesomys, 
465; Brachytarsomys, 465; Hallomys, 465; Eliwrus, 465 ; 
Phenacomys, 466; Arvicola, 466; Synaptomys, 467 ; Myodes, 
467; Cuniculus, 470; Fiber, 470; Neofiber, 472; LEllobius, 
PAGE 
368 
‘414 
415 
418 
436 
438 
439 
441 
442 
443 
448 
