Architectonica, 142 



gramilat-a, 143 



krebsi, 143, pi. 4-0; 2iy 



nobilis, 142, 143, pi. 4m 



peracuta, 143, pi. 411; fig. 2 2g 

 Architeuthis, 483 



harveyi, 483, fig. 99c 



princeps, 483 

 Arcidae, 341 



arcinella, Echinochama, 394, pi. 37h 

 Arcopagia fausta, 428, pi. 40) 

 Arcopsis adamsi, 343, 344, fig. 26b 

 arctatum, Mesodesma, 451, pi. 321 

 Arctica islandica, 381, pi. 32f 

 arctica, HiateDa, 452, fig. 92a 

 arctica, Panomya, 453 

 arctica, Saxicava, 452 

 Arcticidae, 381 

 Arctomelon stearnsi, 251 

 arenaria, Mya, 41, 455, pi. 32X 

 arenarius, Murex, 204 

 Arene, 122 



cruentata, 122 



gemma, 122, pi. i7q 



vanhyningi, 122 



variabilis, 123, pi. 17s 



venustula, 122 

 arenosa, Lyonsia, 468 

 arenosa, Pandora, 470 

 Argim, 345 

 Arghiarca, 345 



argo, Argonauta, 485, pis. ic, 26y 

 Argobuccinum oregonense, 194, pi. 24g 

 Argonauta, 485 



americana, 485 



argo, 485, pis. ic, 26y 



hians, 485, fig. 996, f 

 aristata, Lithophaga, 357, pi. 29J 

 armandina, Trivia, 177 

 Asaphis deflorata, 439, pi. 40a 

 asmi, Acmaea, 104 

 aspera, Diodora, 97, pi. 1 8b 

 aspera, Mitromorpha, 273, fig. 57m 

 aspinosus, Rhizorus, 281 

 asser, Cingula, 135 

 assimilis, Haliotis, 93, pi. 2d 

 Astarte, 375 



borealis, 375, pi. 28q 



castanea, 376, pi. 28s 



nana, 374 



subequilatera, 375, 376, pi. 28-0 



undata, 376, pi. 2 8r 

 Astartidae, 375 

 Astraea, 123 



americana, 124, pi. 3! 



brevispina, 123, pi. 3-I 



caelata, 124, pl. 3h 



gibberosa, 125, fig. 35 



guadeloupensis, 124 



imbricata, 124 



inaequalis, 125 



longispina, 123, pl. 3k, m 



spinulosa, 123, pl. 3m 



tuber, 124, pl. 3J 



undosa, 124, pl. i8p 



Scientific Na7nes 



Astralium, 123 



astriger, Acanthochitona, 318 



Astyris, 223 



atacellana, Nucula, 335, fig. 700 



Atlanta peroni, 184, fig. 41 



atlantica, Charonia, 197 



atlanticus, Glaucus, 309 



atlanticus, Pleurobranchus, 286, fig. 61 



Atlantidae, 184 



atra, Polycera, 305, pl. i6e 



Atrina, 360 



rigida, 360, pl. 27X 



serrata, 360, pl. 27V 

 atropurpurea, Ocenebra, 217 

 attenuatum, Bittium, 156 

 Atydae, 278 

 Atys, 278 



caribaea, 278, fig. 59c 



sandersoni, 278, fig. 59d 

 aulaea, Haliotis, 93 

 aurantia, Catriona, 308, pl. 15J 

 aureocincta, Alarginella, 254, fig. 56b 

 aureofasciatus, Conus, 260, pl. i4g 

 aureotincta, Tegula, 120, pl. i8k 

 auricula, Crucibulum, 169, pl. 21s 

 amicnlata, Anadara, 344 

 Aurinia, 251 

 auritula, Cantharus, 233 

 Austrotrophon, 200 

 a vara, Anachis, 221, pl. 25ee 

 avena, Hyalina, 258, pl. up; fig. 56! 

 avena, Neosimnia, 183, pl. 7g 

 avenacea, Hyalina, 259, fig. 56k 

 avenella, Hyalina, 259 



bacula, Homalopoma, 126 

 badistes, Aplysia, 286 

 bacri, Buccinum, 226, pl. 24V 

 baetica, Olivella, 247, pl. 2oq 

 Bailya, 231 



intricata, 231, pl. 25t 



parva, 231 

 bailyi, Barbatia, 343 

 bairdi, Calliostoma, 113, pl. 3-0 

 bairdi, Liotia, 121, pi. 17U 

 bairdi, Lischkeia, 109, pl. 3c 

 bakeri, Caecum, 150 

 bakeri, Rissoina, 137 

 balanthmi, Clio, 295 

 balea, Limacina, 292 

 balea, Spiratella, 292 

 balesae, Acanthochitona, 318 

 balesi, Area, 343 

 balesi, Pseudomalaxis, 139 

 balthica, Macoma, 431, fig. 88g 

 Bankia, 465 



canalis, 467 



caribbea, 466, fig. 95e 



fimbriatula, 467, fig. 95f 



gouldi, 42, 466, figs. 16, 95d 



mexicana, 466 

 Bankiella, 466 

 Bankiopsis, 466 



barbadensis, Fissurella, 100, pl. i-ji 

 barbadensis, Mitra, 249, pl. 26d 



519 



barbarensis, Fusinus, 244, pl. 24Z 

 barbarensis, Neosimnia, 183 

 Barbarofusus, 243 

 barbata, Barbatia, 343 

 Barbatia, 342 



bailyi, 343 



barbata, 343 



cancellaria, 343, pl. 27q 



Candida, 342, 343, pi. 27r 



domingensis, 343, pl. 27U 



helblingi, 343 



jamaicensis, 343 



tenera, 343, pl. 27k 

 barbatus, Hipponix, 167 

 barkleyensis. Caecum, 148 

 Barnea, 460 



costata, 41, 460, fig. 94a 



pacifica, 462 



spathulata, 461 



truncata, 461 

 barrattiana, Corbula, 458, fig. 93a 

 bartrami, Sthenoteuthis, 484 

 Bartschella, 290 

 bartschi, Teredo, 467 

 Basommatophora, 310 

 Batillaria minima, 153, 155, pl. 19s 

 baiigbi/iani, Anadara, 345 

 bayeri, Olivella, 18 

 beaui, Murex, 202, pl. lod, g 

 beaui, Vitrinella, 138 

 belcheri, Forreria, 200, pl. 24! 

 bcllastriata, Semele, 435, pl. 30J 

 Bellucina, 385 



bellum, Prunum, 256, fig. 56d 

 benedicti, Chlamys, 363, 364 

 benthophila, Hipponix, 166 

 bequaerti, Murex, 205 

 Beringiiis, 227 

 beyerleana, Hyalina, 258 

 biarigulata, Apolymetis, 434 

 biangulata, Trigoniocardia, 399 

 bicarinata, Trichotropis, 168, pl. 24a 

 bicincta, Neptunea, 230 

 bicolor, Amphissa, 225 

 bicolor, Isognomon, 358 

 bicolor, Murex, pl. lom, not in text 

 bidentata, Cylichna, 282, pl. 26q 

 bifida, Janthina, 160 

 biftircata, Tapes, 411 

 bifurcatus, Septifer, 353, 354 

 bilineata, Melanella, pl. 21W, not in text 

 bilirata. Pandora, 471 

 bimaculata, Heterodonax, 441, pl. 3oi 

 bimaculatus, Megatebennus, 99, pl. 1 8e 

 bimaculatus, Octopus, 488 

 bimaculoides, Octopus, 489 

 biplicata, Cylichna, 282 

 biplicata, Olivella, 247, pl. 12] 

 biscaynensis, Teinostoma, 140 

 bisecta, Thyasira, 384, fig. 77a 

 bispinosa, Melongena, 234 

 bispinosa, Peracle, 293, fig. 64f 

 bisulcata, Lithophaga, 357, pl. 28n 

 bisulcata, Torinia, 142, pl. 2ix 

 bisuturalis, Odostomia, 288, fig. 62h 



