xiv CONTENTS 
PAGE 
472; Siphneus, 472; Deomys, 473; Mus, 473; Nesocia, 475; 
Golunda, 476; Uvromys, 476; Chiruromys, 476; Hapalotis, 
476 ; Mastacomys, 476; Acanthomys, 476; Echinothria, 477 ; 
Typhiomys, 477 ; Cricetomys and Saccostomus, 477 ; Pithechirus, 
477. Family Spatactpa, 477; Spalax, 477 ; Rhizomys, 477 ; 
Bathyergus, 478; Georychus and Myoscalops, 478; Hetero- 
cephalus, 478. Family Gromyipm, 478; Geomys, 478; 
Thomomys, 478 ; Dipodomys, 479 ; Perognathus and Heteromys, 
479. Family Divopipm, 479; Sminthus, 479; Zapus, 480; 
Dipus, 480; Alactaga, 480; Platycercomys, 480 ; Pedetes, 480. 
Section Hystricomorpua, 480. Family OcTopontTips, 480. 
Ctenodactylus, 481 ; Pectinator, 481 ; Octodon, 481 ; Habrocoma, 
482; Schizodon, 482; Ctenomys, 482; Spalacopus, 482 ; 
Petromys, 482 ; Myopotamus, 482 ; Capromys, 482; Aulacodus, 
483 ; Plagiodon, 483 ; Loncheres and Echinomys, 483 ; Mesomys, 
483 ; Dactylomys, 483; Cercomys, 483; Carterodon, 484; 
Fossil forms, 484. Family THERIDoMYIDmH, 484. Family 
Hystricipa, 484 ; Erethizon, 484 ; Synetheres, 485 ; Chetomys, 
486 ; Hystriz, 486; Atherura, 487; Trichys, 487. Family 
CHINCHILLIDA, 487 ; Chinchilla, 487 ; Lagidiwm and Lagosto- 
mus, 488; Extinct genera, 488. Family Castororpipa, 488 ; 
Castoroides, 488. Family DasyprocTips, 488; Dasyprocta, 
488 ; Ceelogenys, 489. Family Dixomytpa, 489; Dinomys, 489. 
Family Cavipx, 489; Cavia, 489; Dolichotis, 490; Hydro- 
cherus, 490 ; Extinct genera, 491. 
Suborder DUPLICIDENTATA ‘ é : 491 
Family Lacomyipm, 491; Lagomys, 491. Family Lrpo- 
RIDE, 492; Lepus, 492. 
CHAPTER XI 
THE ORDER CARNIVORA : F : : : 496 
Suborder CARNIVORA VERA , 497 
Section AALUROIDEA, 501. Family Fetipm, 502; Felis, 
502 ; Cyncelurus, 523; Extinct genera, 523. Family Viver- 
RIDE, 525; Cryptoprocta, 525; Viverra, 526; Fossa, 527; 
Genetta, 528; Prionodon, 530; Poiana, 531; Paradoxurus, 
532 ; Arctogale, 583; Hemigale, 533 ; Arctictis, 584; Nandinia, 
534; Cynogale, 534; Herpestes, 585 ; Helogale, 537 ; Bdeogale, 
537 ; Cyntetis, 537 ; Rhinogale, 537 ; Crossarchus, 5387 ; Suricata, 
538; Galidictis, Galidea, and Hemigalidea, 5388; Eupleres, 
538; Extinct genera, 5389. Family PRoreLnrpa, 539 ; Proteles, 
539. Family Hymnipa, 540; Hyena,540. Section CyNorpDEA, 
544. Family CAnipm, 5443; Canis, 546; Lycaon, 553; Icticyon, 
553; Otocyon, 554; Extinct genera, 555. Section ARCTOIDEA, 556. 
Family Urstpa, 557; Ursus, 557 ; Ale7ursus, 560 ; Aluropus, 
560; Extinct genera, 561. amily Procyonrpse, 562; 
Elurus, 562 ; Procyon, 564 ; Bassaris, 566 ; Bassaricyon, 566 ; 
Nasua, 566; Cercoleptes, 567. Family MusTEuips, 567 ; 
