

CONTENTS 



$& 4 



FOURTH BOOK OF NATURAL HISTORY 



REPTILES. 

 LESSON I. 



General Characters. Form. Skeleton. Motion. Nervous System. 

 Senses. Nutrition. Apparatus of Digestion. Blood. Respiration. 

 Lungs. Temperature. Secretions. Eggs. Classification. 



LESSON II. 



Order of Chelonians, or Tortoises. Organization. Division into four 

 Families. Land Tortoises. Fresh water Tortoises. River Tortoises. 

 Sea Tortoises. Tortoise Shell : its use. 



LESSON III. 



Order of Sauria. Organization. Classification. 



Family of Crocodilida. Circulation. Habits Crocodiles properly so called 

 Alligators. 



Family of Lacertinida. Characters. Monitors. Lizards. 



Family of Iguanida. Characters. Dragons. Iguanas. Basilisks. 



Family of Geckotida. Characters. Habits. 



Family of Chamseleonida. Characters. Common Chameleon. 



Family of Scincoidea. Characters. Scinques. Fossil Saurians. 



Order of Ophidia, or Serpents. Characters. 



Family of Anguina. Characters. 



Family of Serpentia, or True Serpents. Coluber. Boa. Venomous Ser- 

 pents. Rattle Snake. Trigonocephalus. Vipers. Naia, or Asps. 

 Effects and treatment of the bites ot Vipers, &c. 



Family of Nuda. Characters. 



LESSON IV. 



Order of Batrachia. Organization. Classification. 



Family of Anoura. Metamorphosis of Tadpoles. Habits. Frogs. Tree- 



Frogs Toads. Pipa. 



Family of Urodela. Salamanders, or Water Newts. 

 Family of Branchifera. Axolotl. Menobranchus. Proteus. Siren. 

 Family of Apoda. Ceecilia. 





