INDEX 



251 



Teleosaurus, 20$. 



Temporal openings, 23. 



Testudo, 228. 



Thalattosauria, 17, 171. 



Thalattosaurus, 172, 173, 174. 



Thalattosuchia, 207. 



Therapsida, 16. 



Theromorpha, 16. 



Thaumatosaurus, 74. 



Thoracosaurus, 207. 



Tibia, 41. 



Tomistomidae, 201. 



Tortoises, 216; fresh- water, 226; land, 



227; marsh, 226. 

 Toxochelys, 2ig, 231, 232. 

 Trachemys, 221. 

 Trimerorhachis, 25. 

 Trinacromerum, 77, 81, 83, 85, 88, 8g. 



Trionychoidea, 244. 



Trionyx, 245. 



Tuatera, 176. See Sphenodon. 



Turtles, 216; river, 244; sea, 229; ancient 



sea, 231; side-necked, 224. 

 Tylosaurus, IS3, 155, 157, 160, 165, 166. 



Varanus, 144. 



Varanops, 53. 



Ventral ribs, 34. 



Vertebrae, 28; notochordal, 29; rhachi- 



tomous, 31. 

 Versluys, 244. 



Watson, D. M. S., 103. 

 Wieland, G. R., 234, 236, 239, 243. 

 Woodward, A. S., 126. 

 Zittel, Carl von, 185. 



