334 



INDEX OF GENERA. 



PAGE. 



Taeniophyllum, n 259 



Tseniopora, /....; 101 



Tajniopteris, / 40, 259 



Talarocrinus, m 288 



Taiiaodus, m 239 



Taonurus, m 259 



Taxoorinus, m 92, 288 



Teohnocrinus, iii 92 



Teleiocrinus 288 



Telephus, m 223 



Tellina 204 



Tellinomya, / 204, 312 



Tellinopsis, jf 205 



Temnocheilus, re 178 



Tentaculites, m . . . ,142, 300 



Terataspis, / 223 



Teratichnus, m 309 



Terebratula,/...138, 245, 299 



TerebratuUtis 139 



Termes, m 319 



Tetradium, n 62 



Tetragraptus, iii 62 



TextUaria 261 



Thaleops,/. 223 



Thallistigma, n 294 



Thamnisous, m 101,204 



Thamnograptus, iii.. .63, 273 



Thamnopora, / 294 



Theoa,/ 142,300 



Thecia,/. 63 



Thecostegites, m 63 



Thenaropus, OT 242 



Theropleura, / 324 



Thrinacodus, to 239 



Thyrsidium, n 242 



PAGE. 



Thysanocrinus, m 93 



Tomodus, m 322 



Traohomatichnus. m. . 309 



Ti-achydomia, n 163 



Trachypora,/ 63, 273 



Trachj'um, n. . . . .44 



Tremanotus 164, 304 



Trematis, / 139, 299 



Trematoceras, m 309 



Trematocrinus 93 



Tiiematodiscus, m. .179, 309 

 trematopora,/.. 101,294 

 Trematospira, /. ...139, 299 

 Triarthrella, /. . . 223 



Triarthrus, m 223, 319 



Triohomanites, m 40 



Trictiophycus, n 260 



Triohospongia, /. 44 



Trigonooai-pum, n... .40, 260 



Trigonodus, m ;239, 322 



Trigonoti-eta, / 139 



Trimerella,/ 139 



Trimerorhachis, /. 324 



Trimerns . . 223 



Trinueleus, 7n 223,319 



Triphyllopterie, f. 260 



THplesia ". . .140, 299 



Troohita,/. 164, 304 



Troohoceras, «./<<. 179, 309 



Trochonema, n 164, 304 



Trooholites, m. ./f . .179, 309 

 Trochophyllum, )j41, 260 273 



Trochus 164 



Troostocrlnus, m 288 



Tropidoleptus, m 140 



PAGE. 



Tubipora, / 63 



Tuditanus, m 242, 324 



Turbo, m 164, 304 



Turbonilla 164 



Turritella, / 164, 304 



UlodeudroQ, n 41, 260 



TJnguUna 205 



XJnio 312 



Uphantaenia,/. .41,260,261 



Valvullna, /. 261 



Vanuxemia, /. . . . 205, 312 



Vasocrinus, m 93, 288 



Vaticinodus, m 323 



Venustodus, in 239 



VermiiDora, / 63 



Veslcularia. / 63 



Vitulina, / 140 



Walchia, /. 41, 260 



Walcottia, /. 315 



Waldheimia, f. 140 



Whittleseya, /. 41, 260 



Xenoorinus, m 288 



Xenoneura, /. 226 



Xenophora, /. 164 



Xylobius, m 224 



Xystracanthus, m... .239 



Xystrodus, ;/* 239, 323 



Yoldia, /. 205, 312 



Zamites, in 41, 260 



Zapiirentis, / 63, 245, 273 



Zatrachys, n 324 



Zeacrinus, m 93, 288 



Zonites, m 162 



Zvgospira, / 140, 499 



