CONTIINTS. XV 



P'ige 



Order II.— Rodentia— Gnawing Animals 386 



Clianicteristics — Distribution 387 



Molar Teeth— Growth of the Incisor Teeth 388 



Hybernation — ^Utility 389 



Squirrel — Hare — Beaver 391 



OnnER III— Edentata— Toothless Animals 392 



Characteristics of the Order — How divided 392 



Armadillos — Their l.ange and Habits — Sloths 393 



Unau or Two-toed Sloth — Its Mode of Progression 394 



Megatherium — Mylodon 395 



Order IV^—Kuminantia— Ruminating Animals 398 



Characteristics — Sub-di\-ision — Distribution — Utility 398 



The Camel— The Llama 401 



The JIusk Deer— Native Deer 401 



Giraffe or Camelopard 402 



Antelopes — Chamois — Gazelle — Goat 403 



Sheep — Elevation at which Species are found 404 



Ox— BuflFalo— Bison '. 404 



Extinct Species of Oxen 404 



ORfER v.— Pachydekmata— Thick-skinned Animals . 405 



Hippopotamus — Rhinoceros — Swine — Tapir — Horse 406 



Elephant — Its Food — Structure and Development of its 



Teeth 407 



Distinctive Characters exhibited by the Teeth 408 



Evidence of the Former Existence of Elephants and other 



Pachydermata in Britain 410 



Order VI. — Getacea — "Whales— Dolphins — Porpoises 411 



Characteristics. — Division into Groups 411 



Dolphin — Porpoise — Bottle-head Whale 412 



Cachalot or Spermaceti Whale 412 



Commoner Baleen "\MiaIe 413 



Tail^^Structure of " Blubber." Its uses to the animal 414 



Order VII. — C.\rnivora — Flesh-eating Anim.\ls 416 



Characteristics — Number of Species 417 



Seals — Bears 418 



Badger — Otter — Weasel — Ferret — Stoat 419 



Dog— Fox— Wolf 419 



Feline Animals — "Great Cave Tiger," formerly in Eng- 

 land 420 



Cave of Hya:nas in Yorkshire 420 



Bre\-ity of the Life, not of Individuals, but of Species 421 



How came Eleph;mts, Bears, Tigers, &c. into England? ... 421 



