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petri, 205 pomum, 202, pi. lo-l recurvirostxis, 202 recurvirostris rubidus, 202 recurvirostris sallasi, 202 rufiis, 204 tremperi, 205 trialatus, 205, fig. 45c trunculus, 12, 13, pi. lo-i tryoni, 202 Murexiella, 203 Muricanthus, 203 vmricata, Epitonium, 165 muricatum, Trachycardium, 397, pi. 39p muricatum, Vasum, 245, pi. 23-I muricatus, Tectarius, 134, pi. i9g Muricidae, 200 Muricidea, 209 muricinum, Cymatium, 196, pi. z^t Muricopsis, 209 floridana, 211 hexagona, 209, pi. 25!! ostrearum, 211, fig. 47g murina, Diodora, 98 mus, Conus, 262, pi. 14-0 mus, Cypraea, 181, pi. 6e muscarum, Cerithium, 154, pi. 19m muscosa, Mopalia, 315 muscosus, Aequipecten, 364, 367, pi. 34d, e Musculus, 354 discors, 355, pi. 28e laevigatus, 355, pi. 28f lateralis, 355, fig. 75c niger, 355, pi. 28g musica, Voluta, 250, pi. i3g mutica, Olivella, 246, pi. 22V Mya, 454 arenaria, (41), 455, pi. 32X japonica, 455 truncata, 455, pi. 32V Myacea, 454 myalis, Yoldia, 340, pi. 27d My of creeps, 357 myrae, Ensis, 443 Mysella, 395 golischi, 396 pedroana, 396 planulata, 395 tumida, 397, fig. Sob Mytilimeria nuttalli, 469, pi. 29q Mytilopsis, 382 Mytilus, 351, 354, (338) californianus, 354, pi. 29P edulis, 354, pi. 35m ed7ilis diegemis, 354 hamatus, 353 plicatuluSf 352 nana, Astarte, 374 Naranio, 419 Narona cooperi, 253, pi. 24y; fig. 556 nassa, Leucozonia, 240, pi. iid Nassariidae, 237 Nassarius, 237 Index acutus, 237, fig. 53c ambiguus, 239, pi. 23r; fig. 53a californianus, 239 consensus, 239, fig. 53b cooperi, 240 fossatus, 240, pi. 20s insculptus, 237, fig. 53f mendicus, 240, fig. 53d obsoletus, 240, pi. 23P perpinguis, 239, fig. 536 tegulus, 238, pi. 2on trivittatus, 239, pi. 23) vibex, 237, pi. 23q nassula, Phacoides, 388 nasuta, Corbula, 457 nasuta, Macoma, 432, fig. 88d nasuta, Mactra, 446 nasuta, Rangia, 450 Natica, 191 canrena, 191, pi. 5-I clausa, 191, fig. 43b livida, 186, 191, pi. 22-0 pusilla, 191, pi. 22) Naticarius, 191 Naticidae, 185 naujragmn, Siphonaria, 310 Nautilus pompilius, 48 navalis. Teredo, 467 Navea subglobosa, 464 Navicula ostrearia, 36 nebulosum, Caecum, 149, fig. 37f Neilonella, 341 Nemocardium centifilosum, 399 Neosimnia, 182 acicularis, 182, pi. 7a aequalis, 183 avena, 183, pi. 7g barbarensis, 183 catalinensis, 183 inflexa, 183, pi. 7h loebbeckeana, 183, pi. 7-i piragua, 182, pi. 7f sijnilis, 183 uniplicata, 182, pi. ^G variabilis, 183 Neptunea, 229 bicincta, 230 calif ornica, 230 decemcostata, 229, pi. 23s eucosmia, 230, fig. fid lirata, 230 lyrata, 230, pi. 24q pribiloffensis, 230, pi. 24r satura, 229 tabulata, 231, fig. 5 if ventricosa, 230, pi. 24s Nerita, 128 fulgurans, 128, 129, pi. 46 peloronta, 128, pi. 4a tessellata, 128, 129, pi. 4f variegata, 128 versicolor, 128, pi. 4b Neritidae, 128 Neritina, 129 floridana, 130 reclivata, 129, pi. 4g rotundata, 130 sphaera, 130 virginea, 129, pi. 4-i weyssei, 130 nesaeum, Teinostoma, 140 Nesta, 94 Nettastomella rostrata, 464 Neverita, 186 newcombei, Rissoina, 137 niger, Musculus, 355, pi. 28g nigra, Lithophaga, 356, pi. 28m nigricans, Petaloconchus, 143, pi. 2ie nigrocincta, Triphora, 159, pi. i9y nimbosa, Macrocallista, 416, pi. 39b nitida, Ringicula, 276 Nitidella, 222 carinata, 222 cribraria, 222 gausapata, 223 gouldi, 222, pi. 20m nitidula, 222, pi. 25dd ocellata, 222, pi. 25hh nitidula, Nitidella, 222, pi. 25dd nitidum. Caecum, 150, fig. 376 nivea, Olivella, 246, pi. iih, j nivea, Turbonilla, 288, fig. 62d nix. Trivia, 178, 179 noachina, PunctureUa, 95 7iobilis, Amiantis, 417 nobilis, Archidoris, 300, 302, pi. i6c nobilis, Architectonica, 142, 143, pi. 4m nobilis, Pseudomalaxis, 139 Nodilittorina tuberculata, 134, 135, pi. 19-i Nodipecten, 366 nodosa, Fissurella, 100, pi. i7d nodosus, Lyropecten, 366, pi. 33b g| nodulosa, Drupa, 211, pi. 25V nodulosa, Mitra, 248, pi. 26b nodulosus, Echininus, 134, 135, pi. i9h Nodulus, 135 Noetia, 346 ponderosa, 346, pi. 27Z; fig. 28a reversa, 346 norrisi, Norrisia, 117, pi. i8m Norrisia norrisi, 117, pi. i8m nota, Odostomia, 290, fig. 63q notabiHs, Anadara, 344, pi. 27P Notarchus, see Bursatella, 286 notata, Mercenaria, 406 Notobranchaea, 299 novangliae, Venericardia, 378 Nucella lapilliis, 215 nucleus, Planaxis, 150 Nucula, 334 atacellana, 335, fig. 706 ca?7cellata, 335 crenulata, 335 delphinodonta, (42), 335, fig. 7od exigua, 335 proxima, 334, fig. 70a, b retictdata, 335 tenuis, 335, fig. 70c Nuculana, 336 carpenteri, 337 concentrica, 338