rotella, Microgaza, in, fig. 32d, e 

 rotundata, Neritina, 130 

 rubella, Ostrea, 373 

 rubella, Rubellatoma, 272 

 Rubellatoma, 272 



diomedea, 272 



rubella, 272 

 ruber, Ischnochiton, 313, 322 

 rubrilinearum, Eulithidium, 127 

 rubropicta, Semele, 435, pi. 29W 

 rubrum, Gastropteron, 283, fig. 6oe 

 ruderata, Protothaca, 410 

 nidis, Littorina, 133 

 rudis, Pinna, 360 

 rudis, Pododesmus, 372, pi. 38b 

 Ruditapes, 410 



rufescens, Haliotis, 92, pi. 2a (352) 

 rufibranchialis, Coryphella, 310, pi. 15a 

 rufoides, Ostrea, 374 

 rufus, Murex, 204 



rugatina, Antigona, 405, pis. 38m, 32n 

 rugosa, Ceratozona, 317, 326, fig. 67a 

 rugosa, Hiatella, 453 

 rugosum, Trigonostoma, 253 

 rugosus, Octopus, 487 

 Rupellaria, 420 



calif orjiica, 421 



calif orniensis, 420 



carditoides, 421 



denticulata, 420 



tellimyalis, 420, pi. 311 



typica, 420, pi. 3oe 

 rupicola, Semele, 435, pi. 29t 

 rupicolum, Epitonium, 165, pi. 226 

 rustica, Thais, 213, 214, pi. i^i 

 rusticoides, Columbella, 220 



Saccella, 338 



sagitta, Penitella, 463 



sagittata, Amygdalum, 353 



sagra, Philine, 283 



sagraiana, Pvissoina, 138 



Salasiella, 290 



salleana, Terebra, 266, 267 



salmonea, Tellina, 426, pi. 3iy 



sanctaemarthae, Solecurtus, 445, pi. 3oh 



sandersoni, Atys, 278, fig. 59d 



sandiegensis, Dialula, 301, pi. i6d 



sanguinea, Aldisa, 301 



sanguinea. Trivia, 179 



Sanguinolaria, 439 



cruenta, 439, pi. 4od 



nuttalli, 439, pi. 29X 



sanguinolenta, 439 

 sanguinolenta, Sanguinolaria, 439 

 sanibelensis, Crassispira, 270 

 sapotilla, Yoldia, 340, pi. 276 

 satura, Chrysodomus, 229 

 sati/ra, Neptunea, 229 

 saxatiUs, Littorina, 133, pi. i9d 

 Saxicava, 452 



saxicola, Entodesma, 469, pi. 29m 

 Saxidomus, 417 



giganteus, 417 



nuttalli, 417, pi. 31-I 



Scientific Names 



sayana, Oliva, 245, pi. 1 2a 



sayi, Tellina, 424, fig. 86f 



scabra, Acmaea, 102, 103, pi. 18-I 



scabra, Lima, 370, pi. 351, o 



scabra, Littorina, 133 



scabra, Nuttallina, 314 



Scala, 163 



scalare, Epitonium, 6 



Scalaria borealis, 162 



scalariformis, Boreotrophon, 207 



scalariformis, Cerithidea, 152, pi. 19X 



scalaris, Tegula, 118 



Scalina, 163 



Scaphella, 250, (273) 



butleri, 250 



dohrni, 251, pi. 13J 



dubia, 251 



florida, 251 



georgiana, 251 



johnstoneae, 250 



junonia, 250, 251, pi. i3f 



schmitti, 251, pi. i3e 

 scaphoidea, Limacina, 293 

 scaphoidea, Spiratella, 293 

 Scaphopoda, 327 

 Schizothaerus, 450 



capax, 450 



nuttalli, 450, pi. 31Z 

 Schizotrochus, 91 

 schmitti, Scaphella, 251, pi. 136 

 scbra?/n}ii, Anodontia, 390 

 schrammi, Tonicia, 326, fig. 676 

 Scissula, 426 

 Scissurella, 91 



crispata, 91 



proxima, 91, fig. 29 

 Scissurellidae, 91 



scitulus, Boreotrophon, 207, fig. 46d 

 scolyma, Turbinella, 245 

 scolyma, Xancus, 245 

 Sconsia striata, 192, pi. 9h 

 scopulosum, Sinum, 190 

 Scrobiculina, 427 

 sculpta, Nuculana, 337 

 scutulata, Littorina, 134, pi. 20c 

 scutum, Acmaea, 103, 104 

 Scyllaea pelagica, 308 

 Scyllaeidae, 308 

 Searlesia dira, 232, fig. 5od 

 secta, Macoma, 432, fig. 88c 

 secticostata, Anadara, 345 

 Sella, 158 



adamsi, 158, pi. 22t 



montereyensis, 158 



terebralis, 158 

 Semele, 434 



bellastriata, 435, pi. 30) 



cancellata, 435 



decisa, 435, pi. 29Z 



proficua, 434, pi. 40g 



purpurascens, 435, pi. 40b 



radiata, 434, pi. 401 



rubropicta, 435, pi. 29W 



rupicola, 435, pi. 29t 

 semiaspera, Diplodonta, 383 



537 



Semicassis, 192 



abbreviata, 193 



inflatw/i, 193 

 semidecussata. Tapes, 411 

 seminuda, Odostomia, 288, fig. 62] 

 Semirossia, 480 



semistriata, Ringicula, 276, pi. 26V 

 semistriolatum, Dentalium, 331 

 semisulcata, Papyridea, 398 

 semisulcata, Sigatica, 187 

 sennottorum, Conus, 261, pi. i4h 

 sentis, Chlamys, 363, 364, pi. 34a 

 Sepia, 480 



sepioidea, Sepioteuthis, 482 

 Sepiolidae, 479 

 Sepioteuthis, 482 

 Septibranchia, 474, (332) 

 Septifer, 354 



bifurcatus, 353, 354 



obsoletiis, 354 

 serrata, Atrina, 360, pi. 27V 

 serratum, Laevicardium, 400 

 serratus, Hipponix, 166 

 Serripes groenlandicus, 401, pi. 32d 

 sicarius, Solen, 444, pi. 29V 

 Sigatica, 189 



carolinensis, 187, pi. 22-I 



holograpta, 187 



semisulcata, 187 

 signatum, Cyphoma, 184, pi. 41 

 Siliqua, 442 



alta, 443 



costata, 442, pi. 3of 



lucida, 442 



media, 443 



nuttalli, 443 



patula, 442, pi. 29y 



squama, 442 

 siliqua, Cyrtodaria, 453 

 Siliquaria, 145 

 siviilis, Neosimnia, 183 

 similis, Spisula, 446 

 similis, Tellina, 426, pi. 4oni; fig. 86e 

 simplex, Acmaea, 106 

 simplex, Anomia, 372, pi. 35k 

 simpsoni, Pitar, 414 

 Sinum, 190 



calif ornictnn, 1 90 



debile, 190 



maculatum, 190 



perspectivum, 190, pi. 22s 



scopulosum, 190 

 sinuosa, Chama, 392, fig. 79a 

 Siphonaria, 310 



alternata, 310, fig. 65a 



lineolata, 310 



naiifragum, 310 



pectinata, 310, fig. 65b 

 Siphonariidae, 310 

 Siphonodentaliidae, 327 

 sitkana, Littorina, 134, pi. 20b 

 sloani, Strombus, 174 

 Smaragdia, 130 



viridemaris, 1 30 



viridis, 130, pi. 4h 



