CONTENTS. VOLUME 1. xxix 



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 P. 28 39 



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 Chamaeleonida 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 

 Serpents Rattle Snake Trigonocephalus Vipers Naia ; or 

 Asps Effects and Treatment of the Bites of Vipers, &c. 



Family of Nuda Characters P. 39 64 



LESSON IV. 



Order of Batrachia Organization Classification. 



Family of Anoura Metamorphosis of Tadpoles Habits Frogs 



Tree-Frogs Toads Pi pa. 



Family of Urodela Salamanders, or Water Newts. 

 Family of Branchifera Axolotl Menobranchus Proteus Siren. 

 Family of Apoda Caecilia P. 6576 



(Vertebrate Animals : Class IV.) 



ICHTHYOLOGY; THE NATURAL HISTORY OF FISHES. 



LESSON V. 



Class of Fishes General Characters Form Integuments Skele- 

 ton Muscular Apparatus Swimming-Bladder Senses Appa- 

 ratus of Digestion Circulation Respiration Animal Electricity 

 Habits Fishing Classification P. 77 9C 



