INDEX. 



211 



N. 

 Naosaurus, spines of, 178. 



P. 



Palseohatteria, descendants 



of, 12. 



Placodonts, teeth of, 197. 

 Plesiosaurus, form of, 197. 

 Protective coloration, 149. 

 Pteranodon, flight of, 173. 

 Pterodactyles, first appear- 

 ance of, 167. 

 ,, head of, 166. 



ornament of, 



172. 



,, wing of, 166. 



Python, colours of, 156. 

 ,, legend of, 123. 



R. 



Rattle-snake, "homing" of, 



145. 



,, rattle of, 159. 



Reptile, definition of, 10. 



S. 



Sauropterygia, primitive 



types of, 194. 

 Snakes, blind, 114. 



burrowing, 113. 

 care of young in, 



142. 



constricting, 122. 

 egg-eating, 128. 

 limbs of, 112, 114. 

 method of feeding, 



120. 

 poison of, 134. 



Snakes, ribs used for walking, 

 in, 112. 



,, scales of, 113. 



,, shield- tailed, 114. 



,, swimming, 116, 118. 



,, torpor of, 145. 

 Snapping- turtle, device of, 40. 



T. 



Terrapins, love-making of, 



131. 



Tortoise, armour of, 19. 

 beauty of, 34. 

 eggs of, 138. 

 feet of, 31. 

 gigantic, 35, 37. 

 home of, 33. 

 limb-girdles of, 23. 

 modifications of 



shell of, 25. 

 pond, 38-42. 

 voice of, 131. 

 Tortoise-shell, how obtained 



45. 



Tuatera, burrows of, 17. 

 eggs of, 136. 

 extinction of, 17. 

 third eye of, 16. 

 Tur le, edible, 44. 



Hawk's-bill, 45. 

 leathery, shell of, 26. 

 snapping, device of, 

 40. 



Turtles, adaptation in, 43. 

 ,, eggs of, 140. 



U. 



Uromastix, thorny tail of, 



88. 

 Uroplates fimbriatus, strange 



colours of, 82, 151, 



