334 



INDEX OF GENERA. 



PAGE. 



Taeniophyllum, n 259 



Tseniopora, / 101 



Taeniopteris, / 40, 259 



Talarocrinus, in 288 



Tanaodus, in 239 



Taonurus, m 259 



Taxocrinus, in. 92, 288 



Technocrinus, in 92 



Teleiocrinus 288 



Telephus, m 223 



Tellina 204 



Tellinomya, / 204, 312 



Tellinopsis, J 205 



Temnocheilus, n 178 



Tentaculites, in .... 142, 300 



Terataspis, / 223 



Teratichnus, in 309 



Terebratula,/...138, 245, 299 



TerebratuliUs 139 



Termes, in 319 



Tetradium, n 62 



Tetragraptus, m 62 



Textilaria. 261 



Thaleops,/. 223 



Thallistigma, n 294 



Thamniscus, in 101, 294 



Thamnograptus, m.. .63, 273 



Thamnopora, f 294 



Theca,/ 142,300 



Thecia, /. ..63 



Thecostegites, m 63 



Thenaropus, m 242 



Theropleura, / 324 



Thrinacodue, in 239 



Thyrsidium, n 242 



PAGE. 



Thysanocrinus, m 93 



Tomodus, m 322 



Trachomatichnus. in. 309 



Trachydomia, n 163 



Trachypora,/ 63, 273 



Trachyum, ...... . .44 



Tremanotus 164, 304 



Trematis,/. 139, 299 



Trematoceras, n 309 



Trematocrinus 93 



Trematodiscus, m.. .179, 309 

 Trematopora,/.. . 101,294 

 Trematospira, f... . .139, 299 

 Triarthrella, /. ... 223 



Triarthrus, m. 223, 319 



Trichomanites, m 40 



Trichophycus, n 260 



Trichospongia, /. 44 



Trigonocarpum, n... .40, 260 



Trigonodus, m 239, 322 



Trigonotreta, / 139 



Trimerella,/ 139 



Trimerorhachis, /. 324~ 



Trirnerus . . 223 



Trinucleus. m 223,319 



Triphyllopteris, /. 260 



Triplesia 140, 299 



Trochita,/. 164, 304 



Trochoceras, ».. . . 179, 309 



Trochonema, n 164, 304 



Trocholites, m 179, 309 



Trochophyllum, ?i41, 260 273 



Trochus 164 



Troostocrinus, m 288 



Tropidoleptus, m 140 



PAGE. 



Tubipora, / 63 



Tuditanus,' m 242, 324 



Turbo, m 164, 304 



Turbonilla 164 



Turritella, / 164, 304 



Ulodendron, n 41, 260 



Ungulina .... 205 



Unto 312 



Uphanttenia, /. .41,260,261 



Valvulina,/. 261 



Vanuxemia, / 205, 312 



Vasocrinus, m 93, 288 



Vaticinodus, m 323 



Venustodus, m 239 



Vermipora, /. 63 



Vesicularia.'/ 63 



Vitulina, / 140 



Walchia, f. 41, 260 



Walcottia, /. 315 



Waldheimia, f. 140 



Whittlesey a, '/. 41, 260 



Xenocrinus, m 288 



Xenoneura, /. 226 



Xenopbora, /. 164 



Xylobius, m 224 



Xystracanthus, m 239 



Xystrodus, m 239, 323 



Yoldia,/. 205, 312 



Zamites, in 41, 260 



Zaphrentis, / 63, 245, 273 



Zatrachys, n 324 



Zeaerinus, m 93, 288 



Zonites, m 162 



Zygospira, / 140, 499 



