vi CONTENTS 



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Order 8. ELEPHANTS (Proboscidea) 102 



Order 9. CONIES (Hyracoidea) 103 



Order 10. HOOFED MAMMALS (Ungulata) - - 104 



(1) Odd-toed Ungulates (Perissodactyla) - - 104 



(2) Even-toed Ungulates (Artiodactyla) 107 



Order ii. GNAWERS (Rodentia) 122 



Order 12. EDENTATES (Edentata) - 136 



Sloths, Armadilloes, Ant-Bears, and Pangolins. 



B. METATHERIA 



Order 13. POUCHED MAMMALS (Marsupialia) - - - - 136 



C. PROTOTHERIA 



Order 14. EGG-LAYING MAMMALS (Monotremata) 138 



CHAPTER III 



STRUCTURE AND CLASSIFICATION OF BIRDS (AVES) 



Structure and Development of the Pigeon (Columba livia), taken as a Type - - 139 



CLASSIFICATION OF BIRDS (Aves) 



I. FLYING BIRDS (Carinatas) 



Order i. PERCHING BIRDS (Passeres) - - 152 



Order 2. PICARIAN BIRDS (Picarias) - - 161 



Order 3. OWLS (Striges) - 165 



Order 4. PARROTS (Psittaci) - - 166 



Order 5. PIGEONS and SAND-GROUSE (Columbae) - 167 



Order 6. GULLS (Gaviae) - - - - 168 



Order 7. PLOVERS (Limicolae) - 168 



Order 8. BUSTARDS and CRANES (Alectorides) - - 170 



Order 9. RAILS (Grallas) - 171 



Order 10. GAME-BIRDS (Gallinae) - - 172 



Order 11. TiNAMOUS (Crypturi) ... - 173 



Order 12. EAGLES and VULTURES (Accipitres) - - 173 



Order 13. DUCKS, GEESE, and FLAMINGOES (Anseres) - 176 



Order 14. HERONS and STORKS (Herodiones) - - 178 



Order 15. PELICANS and CORMORANTS (Steganopodes) - 180 



Order 1 6. PETRELS and ALBATROSSES (Tubinares) - - 182 



Order 17. DIVERS and GREBES (Pygopodes) - 183 



Order 1 8. PENGUINS (Impennes) - - 186 



II. RUNNING BIRDS (Ratitas) 



(i) African Ostriches (2) American Ostriches (3) Cassowaries (4) Emeus 



(5) Kiwis - 186 



