CONTENTS 
REPTILES 
CROCODILIANS .21 
Alligators. 24 
Caymans.. 
Crocodiles.34 
Gavials ........... 42 
THE TUATARA .45 
LIZARDS .51 
Geckos.54 
Skinks.58 
Old and New World Lizards.64 
Worm-like Lizards ........ 70 
Monitors. 74 
Poisonous Lizards ......... 80 
Iguanas.82 
Agamas.90 
Chameleons . 94 
SNAKES .99 
Worm-like Snakes.106 
Constrictors . 108 
Harmless Snakes . . . . . . . . . 114 
Sea Snakes ..128 
Rear-fanged Poisonous Snakes.130 
Front-fanged Poisonous Snakes.134 
Movable-fanged Poisonous Snakes.144 
xi 
