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540 haemastoma haysae, 213 imbricatus, 215 lamellosa, 215, 216, figs. 48e-h lapillus, 214, pi. 2 5g lima, 216, fig. 48d rustica, 213, 214, pi. 25f undata, 213 thea, Cerodrillia, 270, fig. sjf Thecosomata, 292 Therichnn, 153 Thestyleda, 339 thomae, Bursa, 197 thoviasi, Ostrea, 374 Thracia, 471 conradi, 471, pi. 28y curta, 472 trapezoides, 471 thraciaeformis, Yoldia, 340, pi. 276 Thyasira, 384 bisecta, 384, fig. 77a disjuncta, 385 gouldi, 384 trisinuata, 384 timessus, Fusinus, 243, pi. iig Timoclea, 408 tinctum, Microcardium, 399 tinctus, Cantharus, 214, 233, 234, pi. 2 5y Tindaria brunnea, 341 Tivela, 412 crassatelloides, 412 floridana, 412 stultorum, 34, 412, pi. 3ih toUini, Epitonium, 164 Tonicella, 312, 313, 322 lineata, 312, 313 marmorea, 312, 313, 322 Tonicia schrammi, 326, fig. 676 Tonna, 199 album, 199 brasiliana, 199 galea, 199, pi. 23f maculosa, 199, pi. 9d perdix, 199 Tonnidae, 199 Torcula, 141 Torinia, 142 bisulcata, 142, pi. 2ix cylindrica, 142 torticula, Hyalina, 259, fig. 56-I toiimsendi, Teredo, 468 Trachycardium, 397 egmontianum, 397, pi. 39-0 isocardia, 397 magnum, 397 muricatum, 397, pi. 39p quadragenarium, 398, pi. 31-0 Transennella, 412 conradina, 413, fig. 83c stimpsoni, 412, fig. 83a, b tantUla, 413 translirata, Anachis, 221, pi. z^fi transversa, Anadara, 345, pi. 27s Trapeziidae, 382 trapezoides, Thracia, 471 Tremoctopus violaceus, 485 trentperi, Murex, 205 Index trialatus, Murex, 205, fig. 45c triangularis, Acmaea, 104 triangulatus, Boreotrophon, 208, fig. 46b Trichotropidae, 167 Trichotropis, 167 bicarinata, 168, pi. 24a borealis, 167, pi. 24d cancellata, 167, pi. 24b insignis, 168, pi. 24c Tricolia, 126 affinis, 126 compta, 127 concijina, 127 pulchella, 127, pi. IJI tessellata, 127 variegata, 128 tricolor, Calliostoma, 113, fig. 33e tridentata, Cavolina, 296, fig. 64U tridentata, Turbonilla, 290, fig. 6ii tridentata, Venericardia, 379, 380 trifida, Odostomia, 288, fig. 62f Trigoniocardia, 398 biangulata, 399 medium, 398, pi. 39m Trigonostoma, 253 rugosum, 253 tenerum, 253, fig. 55d Trigonulina, 474 trilineata. Pandora, 469, fig. 96b Triopha, 304 carpenteri, 304, pi. i6k grandis, 304, pi. i6b maculata, 304, pi. i6f Triphora, 159 decorata, 159, pi. 19ZZ nigrocincta, 159, pi. 197 ornatus, 1 59 pedroana, 159 perversa, 159 pulchella, 159, pi. 19Z Triphoridae, 159 triquetra, Parastarte, 419, fig. 85 triseriata, Lunatia, 189, pi. 22m trisinuata, Thyasira, 384 trispinosa, Cavolina, 298, fig. 641 Tritonalia, see Ocenebra, 2 1 6 tritonis, Charonia, 197 tritonis nobilis, Charonia, 197, pi. 5f Tritoniscus, 196 Trito?2oca7ida, 196 Trivia, 177 antillarum, 178 annandina, 177 calif orniana, 179, pi. 20V candidula, 178, pi. 21CC globosa, 178 leucosphaera, 178 maltbiana, 178, pi. 21Z nivea, 179 nix, 178, 179 pediculus, 177, pi. 2ibb piillata, 177 quadripunctata, 178 radians, 179 ritteri, 179 sanguinea, 179 solandri, 179, pi. 20U subrostrata, 178 suffusa, 177, 178, pi. 2iaa trivittatus, Nassarius, 239, pi. 23) Trochidae, 107 trochiformis, Spiratella, 292, fig. 646 trochiformis, Xenophora, 173 Trona, 180 Tropbon tenuis culptus, 209 Trophonopsis, 208 lasius, 208 tenuisculptus, 209 Truncacila, 336 truncata, Barnea, 461 truncata, Mya, 455, pi. 32V trunculus, Murex, 12, 13. pi. lo-i tryoni, Aequipecten, 367 tryoni, Murex, 202 tryoni, Pecten, 367 tuber, Astraea, 124, pi. 3) tuberculata, Nodilittorina, 134, 135, pi. 19-i tuberculatus. Chiton, 324, pi. id; fig. 67f tuberculatus, Tectarius, 134 tuberosa. Cassis, 193 tuberosa, Mitrella, 223 tuberosum, Cymatium, 196 Turbo, 123 canaliculatus, 123, pi. 3a castaneus, 123, pi. 3g crenulatus, 123 spenglerianus, 123 tulipa, Fasciolaria, 242, pi. 13b tulipa, Modiolus, 351 tulipa, Volsella, 351 tumida, Donax, 438 tumida, Mysella, 397, fig. 80b tunicata, Katharina, 316, fig. 66b turbinella, Engina, 232, pi. 25W, (249) Turbinella scolyma, 245 Turbinidae, 121 Turbonilla, 288 acra, 290, fig. 63c aragoni, 290, fig. 63k buttoni, 290, fig. 63d chocolata, 290, fig. 63e interrupta, 288, fig. 62b kelseyi, 290, fig. 63b laminata, 290, fig. 63 -1 nivea, 288, fig. 62d stricta, 288, fig. 62c tridentata, 290, fig. 63f Turcicula, 109 Turridae, 267 turrita, Cerithidea, 152 turrita, Retusa, 280 Turritella, 140 acropora, 141, pi. 2ij cooperi, 141, 142, pi. 20g exoleta, 141, pi. 2ih mariana, 142, pi. 2oh variegata, 141, pi. 21-i Turritellidae, 140 Turtonia minuta, 41 turveri, Haliotis, 93