ARNOLD — THE PALEONTOLOGY AND STRATIGRAPHY OF SAN PEDRO. 



19 



Acmoia insessa, P 

 Acmcea pella, P 

 Acmaa spectrum, P 

 Acti^on punctocrelata, P 

 Admeti' gracilior, E 

 Amphissa corrugata, P 

 Amphissa venlricosa, E 

 Amphissa versicolor, P 

 Bela_/!dicitla, N 

 Bela sanctae-monicce, E 

 Biltium asperum, P 

 Bittium caU/ortiician, E 

 Biltium filosum, N 

 Bittium quadrijilatum, P 

 Bittium rugatum, P 

 Ccecum californicum, P 

 Ccecum crehricinctum, P 

 Ccecum m.agnum, ? 

 Calliostoma canaliculatum, P 

 Calliostoma costatum, P 

 Cerithidea californica, P 

 Chlorostoma funebrale , P 

 Chlorostoma var. subapertum P 

 Chlorostoma montereyi, P 

 Chlorostoma var. ligulatum, P 

 Chrysodomus rcctirostris, N 

 Chrysodornus tahulatus, P 

 Clathurella conradiana, E 

 Clipidella bimaculata, N 

 Clipidella callomarginata, P 

 Columbella cali/ortiiana, P 

 Columbella chrysalloidea, P 

 Columbella gausapata, P 

 Columbella var. carinata, P 

 Columbella oldroydi, E 

 Columbella tuberosa, P 

 Conus cali/ornicus, P 

 Crepidula aculeata, P 

 Crepidula adunca, P 

 Crepidula dorsata, P 

 Crepidula navicelloides, P 

 Crepidula onyx, S 

 Crepidula rugosa, P 

 Cryptochiton stelleri, N 

 Cylichna alba, P 

 Cythara branwri, E 

 Diastoma, sp. indet., ? 

 Drillia cancellata, N 

 Drillia hemphilli, S 

 Drillia inermis, P 

 Drillia m.crriami, E 

 Drillia montereyensis, N 

 Drillia var. penicillata, P 

 Drillia torosa, P 

 Eulima falcata, S 



Cadulus nitentior, ? 



GASTROPODA. 



Eulima hantata, S 

 Eulima micatis, P 

 Eupleura muriciformis, S 

 Fissuridea aspera, P 

 Fissuridea murina, P 

 Fissurella volcano, P 

 Fusus barbarensis, E 

 Fusus luteopicius, P 

 Fusus robustus, P 

 Fiisus riigosus, P 

 Galerus mammillaris, P 

 Hipponyx antiqualus, P 

 Hipponyx cranioides, N 

 Hipponyx lumens, P 

 Isapis fenestrata, P 

 Ivara terricula, ? 

 Lacuna compacta, N 

 Lacuna porrecla, N 

 Lacuna solidula, P 

 Lamellaria stearnsii, P 

 Leptothyra bactila, P 

 Leptolhyra carpenter), P 

 Leptothyra paucicostata, N 

 Littorina planaxis, P 

 Littorina scutulata, P 

 Mangilia angulata, N 

 Mangilia var. pedroana, E 

 Mangilia interlirala, P 

 Mangilia oldroydi, E 

 Mangilia painei, E 

 Margarita var. nodosus, P 

 Margarita var. pedroana, P 

 Marginella jewetti, P 

 Melampus olivaccus, P 

 Mitramorpha Jilosa, P 

 Mitramorpha intermedia, E 

 Monoceros engonatum, P 

 Murex festivus, P 

 Nassa californiana, P 

 Nassafossata, P 

 iVassa mendica, P 

 Nassa var. cooperi, P 

 Nassa perpinguis, P 

 Nassa tegula, P 

 Natica clausa, N 

 Neverita recluziana, P 

 Ocinebra barbarensis, P 

 Ocinebra interfossa, P 

 Ocinebra var. aspera, N 

 Ocinebra var. cerritensis, E 

 Ocinebra var. munda, N 

 Ocinebra perita, P 

 Ocinebra ponlsoni, P 

 Odoslomia gouldii, P 

 Odostomia var. avellana, N 



SCAPHOPODA. 

 Dentalium hexagonum, P 

 Dentalium indianorum, N 



Olivella biplicata, P 

 Olivella intorla, P 

 Olivella pedroana, P 

 Phasianella compta, P 

 Pleurotoma barlschi, E 

 Pleurotoma dalli, E 

 Pleurotoma hoovtri, E 

 Pleurotoma pedroana, E 

 Pleurotoma perversa, P 

 Pleurotoma renaudi, E 

 Pleurotoma smithi, E 

 Priene oregonensis, P 

 Puncturella cucullcita, N 

 Puncturclla galeata, N 

 Scala hindsii, P 

 Scala indianorum, P 

 Scala tincta, P 

 .9ei7a assimilata, P 

 Serpulorbis squatnigerus, P 

 Styliferina tenuisculpta, ? 

 Taranis strongi, E 

 Terebra simplex, P 

 Thalotia caffea, P 

 Tornatina cerealis, P 

 Tornatina culcitella, P 

 Triforis adversa, N 

 Tropihon cerritensis, E 

 Trophon gracilis, P 

 Trophon multicostatus, N 

 Trophon pedroana, E 

 Trophon scalari/ormis, N 

 Trophon stuarti, N 

 Trophon var. prcecursor, E 

 Trophon triangulatus, P 

 Turbonilla adleri, E 

 Turbonilla arnoldi, E 

 Turbonilla aurantia, P 

 Turbonilla crebrijilata, P 

 Turbonilla gibbosa, P 

 Turbonilla laminata, P 

 Turbonilla lowei, E 

 Turbonilla muricata, P 

 Turbonilla pentalopha, P 

 Turbonilla similis, P 

 Turbonilla subcuspidata, S 

 7\irbonilla tmuicula, P 

 Turbonilla torquala, N 

 Turbonilla var. stylina, N 

 Turbonilla tridenta, N 

 Tnrritella cooperi, P 

 Turritella jewetti, E 

 Vermicularia, sp. indet., ? 

 Vitrinella ivilliamsoni, P 

 Volvarina varia, P 

 Volvula cylindrica, P 



Dentalium pseudohrxagonum. 



