List of Half-tone Illustrations 



FACING PAGE 



xxvii. SOUTHERN SOFT-SHELLED TURTLE, Trionyx ferox 77 



BROWN SOFT-SHELLED TURTLE, Trionyx muticus 77 



xxviii. SPINY SOFT-SHELLED TURTLE, Trionyx spinifer 80 



SPINY SOFT-SHELLED TURTLE, From Beneath . 80 



PART II: THE CROCODILIANS 



Order CROCODILIA 

 xxix. THE HOME OF THE ALLIGATOR. An Inlet of the 



Savannah River . . . 81 



EGGS OF THE ALLIGATOR . 81 



PART III: THE LIZARDS 

 Order LACERTILIA 



xxxi. METHODS OF MEASURING TURTLES, SNAKES, 

 LIZARDS, AND SERPENTS .... 



xxxii. SCALATION OF THE HEAD. Snake and Lizard 



xxxiii. REEF GECKO, Sphcerodactylus notatus. The Only 



True Gecko Found in the United States 

 BANDED GECKO, Eublepharis -variegatus 

 AMERICAN CHAMELEON, Anolis carolinensis . 



xxxiv. IGUANA, Cydura carinata ..... 

 DESERT IGUANA, Dipsosaurus dorsalis 



xxxv. CHUCKAWALLA, Sauromalus ater .... 



xxxvi. SAND LIZARD, Uma notata .... 



ZEBRA-TAILED LIZARD, Callisaurus draconoides 

 SPOTTED LIZARD, Holbrookia maculata 



xxxviii. STRUCTURAL CHARACTERS OF NORTH AMERICAN 

 LIZARDS ....... 



xxxix. BREEDING HABITS OF LIZARDS .... 



xl. STRUCTURAL CHARACTERS OF NORTH AMERICAN 

 LIZARDS ....... 



xli. STRUCTURAL CHARACTERS OF NORTH AMERICAN 

 LIZARDS ....... 



xlii. STRUCTURAL CHARACTERS OF NORTH AMERICAN 

 LIZARDS ....... 



xxv 



99 



I 10 



no 

 no 



1 1 1 

 1 1 1 



I 12 



113 



"3 



"3 



.16 

 117 



118 

 119 

 124 



