Section C. Tylopoda—Camels.

10. Camelidæ—Camels and Llamas. 11. =Poebrotheriidæ=—Poëbrotherium.

Section D. PECORA—True Ruminants.

12. Cervidæ—Deer. 13. Giraffidæ—Giraffe. 14. Antilocapridæ—Prong-buck. 15. Bovidæ—Sheep, Cattle, etc.

Suborder 2. PERISSODACTYLA—Perissodactyles.

Fam. 16. Tapiridæ—Tapirs. 17. =Lophiodontidæ=—Lophiodonts. 18. =Palæotheriidæ=—Palæotheres. 19. Equidæ—Horses. 20. Rhinocerotidæ—Rhinoceroses. 21. =Lambdotheriidæ=—Palæosyops. 22. =Chalicotheriidæ=—Chalicothere. 23. =Titanotheriidæ=—Titanothere. 24. =Macraucheniidæ=—Macrauchenia.

Suborder 3. =TOXODONTIA=—Toxodonts.

Fam. 25. =Toxodontidæ=—Toxodon. 26. =Typotheriidæ=—Typothere.

Suborder 4. =CONDYLARTHRA.=

Fam. 27. =Periptychidæ=—Periptychus. 28. =Phenacodontidæ=—Phenacodus. 29. =Meniscotheriidæ=—Meniscothere.

Suborder 5. HYRACOIDEA—Hyraces.

Fam. 30. Hyracidæ—Hyrax.

Suborder 6. =AMBLYPODA.=

Fam. 31. =Pantolambdidæ=—Pantolambda. 32. =Coryphodontidæ=—Coryphodon. 33. =Uintatheriidæ=—Uintathere.

Suborder 7. PROBOSCIDEA—Proboscideans.

Fam. 34. =Dinotheriidæ=—Dinothere. 35. Elephantidæ—Elephants.

Group. =TILLODONTIA=—Tillodonts.

Fam. =Anchippodontidæ=—Anchippodus. =Calamodontidæ=—Calamodon.

Order vii. RODENTIA—Rodents.

Suborder 1. SIMPLICIDENTATA.

Fam. 1. Anomaluridæ—Anomalurus. 2. Sciuridæ—Squirrels and Marmots. 3. Haplodontidæ—Haplodon. 4. =Ischyromyidæ=—Ischyromys. 5. Castoridæ—Beavers. 6. Myoxidæ—Dormice. 7. Lophiomyidæ—Lophiomys. 8. Muridæ—Rats, Mice, and Voles. 9. Spalacidæ—Mole-rats. 10. Geomyidæ—Pouched Rats. 11. Dipodidæ—Jerboas. 12. =Theridomyidæ=—Theridomys. 13. Octodontidæ—Spiny Mice. 14. =Castoroididæ=—Castoroides. 15. Hystricidæ—Porcupines. 16. Chinchillidæ—Chinchillas. 17. Dinomyidæ—Dinomys. 18. Caviidæ—Cavies. 19. Dasyproctidæ—Agouties.

Suborder 2. DUPLICIDENTATA.

Fam. 20. Lagomyidæ—Picas. 21. Leporidæ—Hares and Rabbits.

Order viii. CARNIVORA—Carnivores.

Suborder 1. CARNIVORA VERA—Fissipedes.

Fam. 1. Felidæ—Cats. 2. Hyænidæ—Hyænas. 3. Proteleidæ—Earth-wolf. 4. Viverridæ—Civets and Ichneumons. 5. Canidæ—Wolves and Foxes. 6. Ursidæ—Bears. 7. Mustelidæ—Weasels and Otters. 8. Procyonidæ—Raccoons and Cat-bear.

Suborder 2. PINNIPEDIA—Pinnipedes.

Fam. 9. Otariidæ—Eared Seals. 10. Trichechidæ—Walrus. 11. Phocidæ—Seals.

Suborder 3. =CREODONTA=—Creodonts.

Fam. 12. =Hyænodontidæ=—Hyænodon. 13. =Proviverridæ=—Proviverra. 14. =Arctocyonidæ=—Arctocyon. 15. =Mesonychidæ=—Mesonyx.

Order ix. INSECTIVORA—Insectivores.

Suborder 1. INSECTIVORA VERA.

Fam. 1. Tupaiidæ—Tupaias. 2. Macroscelididæ—Elephant-Shrews. 3. Erinaceidæ—Hedgehogs. 4. Soricidæ—Shrews. 5. Talpidæ—Moles. 6. Potamogalidæ—Potamogale. 7. Solenodontidæ—Solenodon. 8. Centetidæ—Centetes. 9. Chrysochloridæ—Golden Moles.

Suborder 2. DERMOPTERA.

Fam. 10. Galeopithecidæ—Galeopithecus.

Order x. CHIROPTERA—Bats.

Suborder 1. MEGACHIROPTERA—Frugivorous Bats.

Fam. 1. Pteropodidæ—Flying Foxes.

Suborder 2. MICROCHIROPTERA—Insectivorous Bats.

Fam. 2. Vespertilionidæ—Common Bats. 3. Nycteridæ—Nycteris. 4. Rhinolophidæ—Leaf-nosed Bats. 5. Emballonuridæ—Emballonura. 6. Phyllostomatidæ—Vampyres.

Order xi. PRIMATES.

Suborder 1. LEMUROIDEA—Lemuroids.

Fam. 1. =Hyopsodontidæ=—Hyopsodus. 2. Chiromyidæ—Aye-Aye. 3. Tarsiidæ—Tarsier. 4. Lemuridæ—Lemurs.

Suborder 2. ANTHROPOIDEA—Anthropoids.

Fam. 5. Hapalidæ—Marmosets. 6. Cebidæ—American Monkeys. 7. Cercopithecidæ—Old World Monkeys. 8. Simiidæ—Gibbons and Man-like Apes. 9. Hominidæ—Man.

The distinctive character of these subclasses and orders, with an account of their subdivisions and the principal forms contained in each, will be given in subsequent chapters.