426 



INDEX TO GENERA. 



Tachymeiiis 104 



Tachyphonus 360 



Tautilla 102 



Taxodium 182, 275, 300 



Teius 99, 119 



Teleuraspis 110, 119 



Testudo 96, 119, 179 



Tetradactylus 284 



Thecacampsa 313 



Thecadactylus 97 



Thamnopliilus 285, 361 



Thrasops 106,309, 322 



Thryothorus 149 



Thylacoleo 285 



Thyridopteryx 278 



Thuja 181 



Thujopsis 181 



Tiaris 283 



Tinnunculus 149 



Titanotherium 233 



Tomodon 202 



Tomopterna 138, 281 



Toxoceras 286 



Trachodon 199 



Trachyboa 101, 119 



Trachycephalus... 250, 245, 270, 282 



Tretiosciucus 284 



Triccfilocriuus 356 



Trilophodou 251 



Tringa 150 



Trigonocephalus 110 



Tringites 150 



Triteleia... 171 



Triqueta 94 



Trochilus 82 



Trocliocerus 287 



Troglodytes 285 



Troostocrimis 356 



Tropidonotus 255, 319 



Trypbcropsis 117, 271, 272 



Trypanostoma , 152 



Ungalia 128 



Unio 94, 143, 150, 160 



Uria 3, 9, 67 



Urocordylus 215 



Uromastix 283 



Ursus, 298 



Utamauia 5, 11, 14, 18 



Vastres 294 



Velia 277 



Vireo 83, 149 



Wisteria 314 



Xantliocephalus 84, 150 



Xenodon 133, 289 



Xipliosoma 101 



Yucca 167 



Zenaidura 159 



Zenglodon 186 



Zonotrichia 83, 430 



