9o6 



NORTH AMERICAN INDEX FOSSILS. 



thiemei, 



Taxocrinus, m, II 565 

 thoas, Spyroceras, n, II 64 

 thompsoni, 



Olenellus, m, II 263 



Tulotoma, f, I 727 



Viviparus, m, I 727 

 thoracica, Trigonia, f, I 485 

 thureaui, 



Dichograptus, m, I 29 



Goniograptus, m, I 29 

 tibialis, Polorthus, m, I 578 

 timotheanus, Tetragonites, m, II 166 

 tinea, Beyrichona, f, II 339 

 tioga, Schizophoria, f, I 268 

 tippana, 



Aporrhais, f, I 755 



Cucullaea, f, I 406 



Meretrix, f, I 563 



Pterocerella, f, I 755 



Turritella, f, I 731 

 torpida, Nanthacia, f, II 444 

 torquium, Campophyllum, n, I 67 

 tortilis, is, e, 



Heteropora, f, I 168 



Pseudolathyrus, m, I 778 

 tortuosum, Platyceras, n, I 682 

 tortus, a, um, 



Biflustra, n, I 169 



Didymoceras, n, II 207 



Fistulipora, f, I 125 



Heteroceras, n, II 207 



Lichenalia, f, I 125 



Naticopsis, f, I 674 

 trabeatus, Levifusus, m, I 771 

 tranquilla, Raphidia, f, II 451 

 transatlanticum, Haploceras, n, II 168 

 transversalis, Plectambonites, m, I 227 

 trapezoidalis, Astarte, f, I 540 

 trapezoidea, Etea, f, I 542 

 traski, Olcostephanus, m, I 190 

 trentonensis, is, e, 



Amphilichas, f, II 308 



Bumastus, m, II 298 



Coeloclema, n, I 122 



Crania f, I 207 



Cyphaspis, f, II 302 



Encrinurus, m, II 314 



Glossina, f, I 195 



Hormotoma, f, I 650 



Lingula, f, I 195 



Rhinidictya, f, I 159 



Strophomena, f, I 223 

 triadactylus, Dolatocrinus, m, II 557 

 triadicus,, Proclydonautilus, m, II 109 

 triangularis, 



Lumbriconereites, m, II 242 



Naiadites, m, I 454 



Phragmolithes, m, I 617 

 triangulus, Eccyliomphalus, m, I 66^ 

 tribulosum, Platyceras, n, I 685 

 tricarinata, Leaia, f, II ZZ^ 



tricenaria, Orthis, f, I 250 

 tricollina, Hollina, f, II 358 

 tricostatus, a, um, 



Ecphora, f, I 787 



Lyriopecten, ni, I 495 

 trigona, Veniella, f, I 538 

 trigonalis, Ostrea, f, I 465 

 trilineatus, a, um, 



Atops, f, II 261 



Solarium, n, I 712 



Turritella, f, I 731 

 trilira, Turritella, f, I 731 

 trilix, Lophospira, f, I 62,7 

 trilobata, 



Bucaniella, f, I 612 



Strophomena, f, I 223 

 trilobitus, Anthracomartus, m, II 415 

 trinodiferous, Calyptraphorus, m, I 753 

 trinucleus, Seminula, f, I 355 

 triqueter, tra, trum, 



Nuculites, m, I 398 



Prismopora, f, I 162 



Textularia, f, I 10 



Verneuilina, f, I 10 

 trisectus, Agnostus, m, II 257 

 trisulcatum, Stroboceras, n, II 86 

 tritonis, Fulgur, n, I 768 

 trivittatoides, Nassa, f, I 763 

 trivolve, Ryticeras, n, II 81 

 trochiformis, is, e, 



Pyropsis, f, I 765 



Viviparus, m, I 727 

 troostanus, Woodocrinus, m, II 511 

 troosti, Bellerophon, m, I 618 

 tropidophorus, a, um, 



Lophospira, f, I 635 



Pleurophorus, m, I 533 

 troyensis, 



Aristozoe, f, II 379 



Fordilla, £, I 389 

 truncatula, Cuneamya, f, I 378 

 truncatus, a, um, 



Cucullaea, f, I 407 



Goniophora, f, I 519 



Ischyrodonta, f, I 416 



Palseoneilo, f, I 400 



Polygnathus, m, II 243 



Schizobolus, m, I 203 



Sphenotus, m, I 525 



Strophalosia, f, I 240 

 trusitum, Protokionoceras, n, II 59 

 tryoni, Vorticifex, m, I 817 

 tubseformis, Aulopora, f, I 79 

 tuberculatus, a, um, 



Acidaspis, f, II 312 



Brachymetopus, m, II 303 



Cypridea, f, II 365 



Eucalyptocrinus, m, II 560 



Eupachycrinus, m, II 5 Kg 



Fulgur, n, I 768 



Phillipsia, f, II 303 



Polygnathus, m, II 244 



