INDEX 



251 



Teleosaurus, 203. 



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, 23. 

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



Trionychoidea, 244. 



Trionyx, 243. 



Tuatera, 176. See Sphenodon. 



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



sea, 231; side-necked, 224. 

 Tylosaurus, 133, 133, 157, 160, 163, 166. 



Varanus, 144. 



Varanops, 33. 



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. 



