25° 



WATER REPTILES OF THE PAST AND PRESENT 



Ichthyosauria, 17, 107. 



Ichthyosaurus, 108, 112, 119, 121, 122. 



Iguana, 140. 



Ilium, 39. 



Interclavide, 37. 



Intercentrum, 30. 



Ischium, 39. 



Jaeger, George, 184.. 

 Jaekel, 185. 



Karoo beds, 102. 

 Koenig, no. 



Labidosavtnis, 22, 26, 50. 



Laecertilia, 140. 



Lariosaurus, gg, 100. 



Leather-back turtles, 241. 



Leidy, Joseph, 151. 



Limnoscelis, 20, 47. 



Lizards, 140; flatheaded, 144; Galapagos, 



142. 

 Lull, Richard, 54. 

 Lystrosaurus, 103, 104. 

 Lortet, M., 135. 



McGregor, J. H., 126, 129, 131, 185, 186, 



189. 

 Mandible, 25. 

 Mantell, Dr., 75. 

 Marsh, O. C., 54, 185. 

 Merriam, J. C., 112, 120, 171, 174. 

 Merriamia, 118. 

 Mesosaurus, 126, 127, 128. 

 Mesosuchia, 185, 204. 

 Meyer, Herman von, 75, 87, 132, 134, 184. 

 Mixosaurus, 119. 

 Monitor lizards, 144. 

 Mosasauria, 148, 166. 

 Mosasaurus, 148; hofmanni, 149; maxi- 



miliani, 151. 

 Miinster, Georg von, 97. 

 Mudge, B. F., 93. 

 Mystriosuchus, 185, 188, i8g, igi. 



Nares, 23. 

 Nectosaurus, 175. 

 Nothosauria, 95. 

 Nothosaurus, gd, gy, g8. 



O'FaUen, Major, 151. 



Ophiacodon, 30, 32, 37, 38, 40, 42. 



Ophidia, 168. 



Ophthalmosaurus, 118, 12$. 



Orders of reptiles, 16. 



Osbom, H. F., 126. 



Ostodolepis, 33. 



Owen, Richard, 75, 103, no, in, 185. 



Paleorhinus, 190. 

 Paliguana, 5. 



Parasuchia, 18, 184. 



Parietal foramen, 23. 



Pectoral girdle, 34. 



Pelvic girdle, 39. 



Pelvis, 39. 



Petycosauria, 186. 



Pelycosimia, 187. 



Phytosauria, 18, 187. 



Phytosaurus, 186, 187. 



Pineal foramen, 23. 



Platecarpus, 151, 15s, 156, 158, isg, 166. 



Platynota, 148. 



Plesiosauria, 77. 



Plesiosaurus, 74. 



Pleurodira, 224. 



Pleurosaurus. 134, 136, 177. 



Polycotylus, 80. 



Proatlas, 32. 



Proganochelys, 217. 



Proganosauria, 17. 



Proteosaurus, no. 



Protorosauria, 17, 132. 



Protorosaurus, 132. 



Protostega, 233, 234. 



Protostegidae, 231. 



Pseudosuchia, 185. 



Pterosauria, 18. 



Pubis, 39. 



Pythonomorpha (Mosasauria), 166. 



Range of Reptilia, 4/. 



Rhachitomous vertebrae, 17. 



Rhynchocephalia, 17, 176. 



Rhytidodon, 190. 



Ribs, 33. 



River turtles, 244. 



Rutiodon, igo. 



Sacrum, 32. 

 Sapheosaurus, 178. 

 Sauranodon (Baptanodon), 125. 

 Sauropterygia, 17, 73. 

 Scheuchzer, 107 

 Seeley, H. G., 75, 126, 132. 

 Seymouria, 21, 48. 

 Shoulder girdle, 34. 

 Simoedosaurus, 179. 

 Skeleton of reptiles, 19. 

 Skull of reptiles, 21. 

 Snakes, 168. 

 Spener, 132. 



Sphenodon, 24, 132, lyd. 

 Squamata, 17, 138. 

 Stegocephalia, 48. 

 Stereostemum, 126. 

 Sternum, 37. 

 Stomach stones, 2po. 



Tarsus, 42. 

 Teeth, 21, 25. 



