XVI 11 



CONTENTS. 



Chapter V. — Insects ..... 

 § 1. Aptera ..... 



2. Insecta alata ..... 



3. Development of Insects . . . , 



4. Aquatic Larv?e .... 



5. Terrestrial Larvae . . . , 



6. Imago, or perfect Insect 



7. Aquatic Insects .... 



8. Progressive motion of Insects on land 



9. Flight of Insects . . . . 



Chapter YI. — Vertebrata .... 



§ 1. Vertebrated Animals in general . 



2. Structure and composition of the Osseous Fabric 



3. Formation and development of Bone 



4. Skeleton of the Vertebrata 



212 

 212 

 214 

 215 



220 

 222 

 225 

 237 

 229 

 242 



254 

 254 

 256 

 263 

 269 



Chapter VII. — Fishes 



284 



Chapter VIII. — Reptilia 



§ 1. Terrestrial Vertebrata in general 



2. Batrachia 



3. Ophidia . . . , 



4. Sauria 



5. Chelonia 



302 

 302 

 303 

 310 

 317 

 321 



Chapter IX. — Mammalia .... 



§ 1. Mammalia in general 



2. Cetacea ..... 



3. Amphibia .... 



4. Mammiferous Quadrupeds in general 



5. Ruminantia .... 



6. Solipeda ..... 



7. Pachvdermata .... 



8. Rodentia ..... 



9. Insectivora .... 



10. Carnivora ..... 



11. Quadrumana .... 



12. Man . . . . 



Chapter X. — Vertebrata capable of Flyixg 



§ 1. Vertebrata without feathers, formed for flying 

 2. Birds ..... 



330 

 330 



oob 



rsrthf 



345 



356 



357 



360 



3( 



364 



362 



367 

 369 



376 

 376 

 382 



