INDEX 



2^1 



Tcleosaurus, 205. 



Temporal openings, 23. 



Testudo, 228. 



Thalattosauria, 17, 171. 



Thalatlosaurus, 172, 173, 174. 



Thalaltosuchia, 207. 



Therapsida, 16. 



Theromorpha, 16. 



ThaiinialDsaurus, 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, Si, S3, Sj, SS, Sg. 



Trionychoidca, 244. 



'I'rionyx, 245. 



Tiiatcra, 176. Sec Sjihcnodon. 



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



sea, 231; side-necked, 224. 

 Tylosaurus, /.ij, i^fi, i<i7, i6n, 16-;, 166. 



\'aranus, 144. 



\ aranops, 33. 



Wiilral ribs, 34. 



\ erul)rae, 28; notochordal, 29; rhachi- 



lomous, 31. 

 V'ersluys, 244. 



Watson, 1). M. S., 103. 

 Wieland, {'•. R., 234, 236, 239, 243. 

 Woodward, A. S., 126. 

 Zittel, Carl von, 185. 



