214 



INDEX 



Crawlers, 87. 



Crested newt {Triton cristatus)^ 27. 



Cricket- frog, 8, 19. 



Crocodile, 42, 71, 73, 74, 76, 87, 98, 

 104, 109, 116, 118, 146, 200. 



Crocodilians, 81, 86, 87, 88, 92, 95, 

 103, 108, 113, 127, 128, 129, 132, 

 139, 140, 141, 142, 178 ; key to, 160. 



Dasyp€Uis-unicolo)\ 91. 

 Defense, 100. 

 Defensive armor, 103. 

 Dendrerpeton acadeamim, 60. 

 Dendrobatidm^ 15. 

 Development of the frog, 33. 

 Diaphragm, 126. 

 Diclonius mirabilis^ 152. 

 Dicynodon lacerticeps^ 92. 

 Digestive tracts, 49, 123. 

 Dinosaurs, 79, 101, 124, 130, 131, 



134, 149. 

 Diseases of snakes, 187. 



Ears, 47. 



Edestosaurus^ 149. 



Eft, 26. 



Eggs, 24, 30, 31, 36, 38, 40, 64, 141, 



142, 143. 

 Elapidoi (genus Elaps)^ 109, 162, 



173. 

 Enemies, 120. 

 Epidermis, 44. 

 Escape, 100. 

 European lizards, 80. 

 European newt, 10. 

 Extinct flying reptiles, 85. 

 Extinct lizard forms, 79. 

 Eyes, 47. 



Fangs, 89, 91. 

 Feeding, 15. 

 Finback lizards, 155. 

 Fishes, 57. 



Flat-footed walkers, 76. 



Flesh-eaters, 15, 98. 



Florida lizards, 76, 110. 



Flying-dragon, 113. 



Flying lizard, 79, 113, 114. 



Flying mammals, 113. 



Flying tree-i'rog {Ehacophoi'us rein- 



hardtii)^ 11. 

 Flying tree-toad, 48. 

 Food, 15. 

 Footprints, 60. 

 Fossil forms, 50, 58. 

 Fresh- water snakes, 161. 

 Frilled lizard, 77, 105, 106. 

 Frog, 1, 3, 34, 38, 41, 43, 47, 58, 63. 

 Frog forms, 50, 52. 



Ganoid, 60, 63. 



Garter-snake, 112, 173. 



Geckos, 118, 130. 



Giant salamander ( Megalobatrachus 



maximus), 4, 11. 

 Giant tortoises, 210, 211. 

 Gila monster {Heloderma suspec- 



tum\ 121, 122. 

 Gills, 39, 49, 69. 

 Glass-snake, 77, 78, 80. 

 Gophers, 115. 

 Grasshoppers, 107. 

 Greaved lizards, 74, 77, 96. 

 Green frog, 20, 22, 46. 

 Green turtle, 98. 

 Ground-lizards, 97. 

 Ground-snakes, 161. 



Hatching, 141, 144. 



Hatter ia, 71, 86. 



Haunts and distribution, 116. 



Heads, 86. 



Head of frog, 12. 



Hearing, 46, 139. 



Heart, 55. 



Hesperornis regalis, 153. 



