MAMMALS. 



xi 



CLASS III. REPTILIA. 



REPTILES. 



Characteristics of Reptiles 

 Classification of Reptiles .. . .... 



Order I. Crocodilia. 



Crocodiles, Alligators, Garials .., 

 Order II. Chelonia. 



Tortoises and Turtles ... ... 



Sub-order i. Cryptodira. 



Land Tortoises, Etc. ... 

 Sub-order ii. Pleurodira. 



Fresh- water Tortoises ... 

 Sub-order iii. Trionychoidea. 



The Soft Tortoises 



377 

 378. 



378 

 383 

 385 

 392 

 394 



Order III. Sqnamata. 



Scaled Reptiles 395 



Sub-order i. Lacertilia. 



The Lizards ... ... ... 396 



Sub-order ii. Rhiptoglossa. 



The Chamseleons ... ... 411 



Sub-order iii. Ophidia. 



The Snakes ... ... ... 412 



Order IV. Rhynchocephalia. 



The Tuaiera 429 



CLASS IV. AMPHIBIA. 

 AMPHIBIANS. 



Characteristics of Amphibians ... 431 

 Order I. Ecaudata. 



Frogs and Toads 435 



Sub-order i. Finnisternia. 



Typical Frogs, Etc 436 



Sub-order ii. Arcifera. 



The Toads, Etc 440 



Sub-order iii. Aglossa. . 



The Surinam Water-toad, Etc. 444 

 Order II. Caudata. 



Newts and Salamanders ... 445 



Order III. Apoda. 



The Csecilians 453 



