conceptionis, 336 



curmlosa, 337 



fossa, 337 



hamata, 339, fig. 266 



hindsi, 339 



messanensis, 337 



minuta, 336 



penderi, 339 



pernula, 336 



redondoensis, 339 



sculpta, 337 



taphria, 338, fig. 72a, b 



tenuisulcata, 336, fig. 71a 



vaginata, 337 

 Nuculanidae, 334, 336 

 Nuculidae, 334 

 Nudibranchia, 299 

 nummaria, Crepidula, 172 

 nuttalli, Clinocardium, 403, pi. 31b 

 nuttalli, Mytilimeria, 469, pi. 299 

 nuttalli, Phacoides, 388, pi. 3ig 

 nuttalli, Pterorytis, 219, pi. 24f 

 nuttalli, Sanguinolaria, 439, pi. 29X 

 nuttalli, Saxidomus, 417, pi. 31-I 

 nuttalli, Schizothaerus, 450, pi. 31Z 

 Nuttallia, 439 

 Nuttallina, 314 



calif omica, 314 



flexa, 314 



scabra, 314 



obesa, Anachis, 221 

 obscura, Solariella, no, fig. 3 if, g 

 obsoletus, Margarites, 108 

 obsoletus, Nassarius, 240, pi. 23P 

 obsoletus, Septifer, 354 

 ob tectum, Teinostoma, 140 

 obtusa, Retusa, 280, 282, fig. 59a 

 obtusata, Littorina, 133, pi- i9f 

 obvelata, Cadlina, 302 

 occidentale, Caecum, 149, fig. 37) 

 occidentale, Calliostoma, 1 1 3 

 occidentale, Dentalium, 329 

 occidentale, Epitonium, 163 

 occidentalis, Aporrhais, 173, pi. 23c 

 occidentalis, Area, 342 

 occidentalis. Bulla, 277, pi. 26p 

 occidentalis, Solemya, 333 

 ocellata, Leucozonia, 241, pi. iie 

 Ocenebra, 209, 216 



atropiirpiirea, 217 



circumtexta, 218, fig. 49b 



citric a, 218 



clathrata, 217 



gracillima, 217, pi. 24m 



interfossa, 216, fig. 49a 



lurida, 217, fig. 49c, d 



poulsoni, 218, 219, pi. 24k 



stearnsi, 218 



tenuisculpta, 209 

 Ocinebra, see Ocenebra, 216 

 Octopoda, 484 

 Octopus, 485 



americanus, 487 



bimaculatus, 488 



bimaculoides, 489 



Scientific Names 



briareus, 487, fig. looc 



burryi, 487, fig. loob 



carolinensis, 487 



hongkongensis, 488, fig. loof 



joubini, 488, fig. lood 



macropus, 487, fig. looe 



punctatiis, 488 



rugosus, 487 



vulgaris, 486, fig. looa 

 Odostomia, 288 



aepynota, 290, fig. 63h 



americana, 290, fig. 63g 



amianta, 290, fig. 63P 



bisuturalis, 288, fig. 62h 



donilla, 250, fig. 631 



farella, 250, fig. 63-i 



fetella, 290, fig. 63s 



gibbosa, 288, fig. 62k 



helga, 290, fig. 63n , 



hendersoni, 288, fig. 62g 



impressa, 288, fig. 62 -i 



laxa, 290, fig. 63t 



i}iodesta, 288 



nota, 290, fig. 63q 



pedroana, 290, fig. 63m 



phanea, 290, fig. 63) 



seminuda, 288, fig. 62J 



terricula, 290, fig. 63-0 



trifida, 288, fig. 62f 



willisi, 288, fig. 62a 

 Okeniidae, 306 



oldroydi, Eunaticina, 188, fig. 436 

 olgae, Haminoea, 279 

 Oliva, 245 



litterata, 245 



reticularis, 245, pi. 12c 



sayana, 245, pi. 12a 

 Olivella, 246 



baetica, 247, pi. 2oq 



biplicata, 247, pi. 12-i 



floralia, 247 



intorta, 247 



jaspidea, 246, pi. n-i 



moorei, 246 



mutica, 246, pi. 22V 



nivea, 246, pi. iih, j 



pedroana, 247 



porteri, 247 



pycna, 247 

 Olividae, 245 

 Ommastrephidae, 483 

 Onchidella, 274, fig. 58 



borealis, 275 



carpenteri, 274 



floridana, 274 

 Onchidiata, 274 

 Onchidiidae, 274 

 Onchidoridae, 305 

 oniscus, Morum, 192, pi. 25s 

 Onoba, 136 



onyx, Crepidula, 171, pi. 2of 

 opalescens, Loligo, 482 

 Opalia, 162 

 chacei, 162 

 crenata, 162 



533 



crenimarginata, 163 



hotessieriana, 162, pi. 22g 



insculpta, 162 



wroblewskii, 162, pi. 20) 

 operculata, Varicorbula, 456 

 Opisthobranchia, 274 

 orbella, Diplodonta, 383 

 orbella, Taras, 383 

 orbicularis, Codakia, 390, pi. 38d 

 orbiculata, Codakia, 391, pi. 30-I 

 orcutti. Caecum, 149, fig. 37-I 

 oregonense, Argobuccinum, 194, pi. 



Mg 

 oregonense, Caecum, 148 

 orientalis, Lima, 371 

 ornata, Verticordia, 474, fig. 97 c, d 

 ornatus, Chlamys, 363, pi. 34b 

 ornatus, Triphora, 159 

 orpheus, Boreotrophon, 208, fig. 46e 

 oryza, Herse, 299 

 Ostrea, 373 



conchaphila, 374 



cristata, 373 



edulis, 373 



equestris, 373, pi. 28c 



expansa, 374 



folium, 373 



frons, 373, pi. 28d 



limacella, 373 



lurida, 374, pi. 29f 



permollis, 374, pi. 28b 



rubella, 373 



rufoides, 374 



spreta, 373 



tboiiiasi, 374 

 ostrearum, Crassispira, 270, pi. 26n 

 ostrearum, Muricopsis, 211, fig. 47g 

 ostreicola, Anachis, 221 

 Ostreidae, 373 

 ottoi, Lischkeia, no 

 Oudardia, 425 



ovalis, Anadara, 345, pi. 2 7t 

 ovalis, Psephidia, 411, fig. 82b, not in 



text 

 ovata, Rocellaria, 460 

 ovoidea, Pholadidea, 463 

 ovoidea, Sphenia, 456 

 Ovulidae, 181 

 ovuliformis, Gibberulina, 258, 259, fig. 



56-0 

 ovidijormis, Pedicularia, 182, pi. 7c 

 oxychone, Vanikoro, 167 

 Oxygyrus keraudreni, 184 

 oxytatus, Rhizorus, 280 



Pachydesma, 412 



Pachypoma, 125 



pacifica, Ancula, 307 



pacifica, Barnea, 462 



pacifica, Heterodonax, 441 



pacifica, Rossia, 479 



pacifica, Spiratella, 291 



pacificum, Gastropteron, 285 



pacificus, Boreotrophon, 208, fig. 46f 



Paedoclione, 299 



paleacea, Acmaea, 105 



