ARNOLD— THE PALEONTOLOGY AND STRATIGKAPHY OF SAN PEDRO. 



417 



Farpnra persica 260 



saiicolft 28, 44, 55, 80, 247, 261 

 Purpuriui.' 81, 260 

 Pyramidella 82, 280 



conica var. rariegata 28, 44, 82, 280 



plicata 280 

 Pyramitlellid* 81, 269 

 Pyrgisculus 81, 277 



lamiimta 81, 277 

 Pyrgiscus 81, 274 



auricoma 81, 274 



crebritilata 81, 276 



latifundia 81, 275 



snbcuspidata 81, 277 



tenuicula 81, 275, 276 

 Pyrgolampros 81, 278 



adleri 81, 280 



arnoldi 82, 279 



gibbosa 81, 279 



lowei 81, 278 



vav. pedroana 81, 279 



mioperplicatulus 278 

 Pyrgostelift 274 

 Pyrgostylns 272 



Rata 76, 177 



undulata 18, 37, 57, 76, 174, 177 

 Ranella 82, 287 



californica 24, 25, 28. 31, 44, 63, 82, 287 



muriciformis 248 



plkala 248 



spinosa 287 



triquetra 248 

 Hexitharus secta var. cdulis 164 

 Rictaxis 77, 188 



jmnclocalata 77, 188, 189 

 Rimula cucutlata 341 



galcata 341 

 Ringicardium 74, 139 



procerum 74, 1.39 

 RisKoa 83, 304 



acutelirata 28, 44, 55, S3, 305 



costulata 304 

 Riseoidie 83, .304 

 Rowtllia 197 



radialn 1 97 

 Rupellaria 75, 155 



lameAUftra 23, 37, 75, 155 

 Sanguiuolaria 76, 168 



californica 161 



nuttalli 27, 31, 37, 68, 168 



(Nuttallia) nuttalli 168 



sordida 161 

 Saiicavida) 76, 182 

 Saxicava cardiloides 154 

 Saiidomus 75, 151 



aratus 18, 23, 25, 27. 31, 33, 37, 48, 55, 63, 75, 

 151 



gracilis 151 



uuttallii 151 

 (.13) 



Scala 81, 262 



bellaalriato 28. 44, 81, 26.3, 264 



(Opalin) brjrealin 266 



crebricoslata 22, 23, 24, 28, 44. .V). 6.3. SI. 263. 

 265 



hempbilli 28, 44. 81, 263, 264 



hiudsii 19, 22, 24, 28, 31, 45, 81, 263. 264, 265 



indiauorum 15, 19, 22, 24, 2.5, 28, 31, 45, 81. 

 263, 264 



pretioua 262 



tincta 19, 22, 24, 2.5, 28, 31, .32, 45, 55, 63, 81, 

 263, 264, 265 

 Scalaria bdUuHrnta 263 



hortalis 266 



crebricoitata 263 



hindsii 264 



indianorum 265 



var. lincla 265 



Kuhcoronala 264 



tincla 265 

 Sculidas 81, 262 

 Scapbaodridie 77, 192 



Scaphopoda 19, 22, 24, 25, 28, 31, 47, 77, 185 

 Schizopyga cali/orniana 231 



californica 231 

 Schizothcerus nuttalli 178 



scopali 75 



ponderosa 75 

 Scrobicularia hiaugutala 160 

 Srurria mitra 318 

 Scatella 71, 91 



excentrica 91 



(Echinarachiiius) exceutricus 91 



iuterlineata 16 



sirialula 91 

 Scutellidae 71, 91 

 Seila 82, 290 



assimilata 19, 45, 82, 290 

 Selachii 85, 346 

 Semele 76, 165 



decisa 21, 23, 27, 31, .38, 63, 76, 165, 166 



pulchra 27, 31, 38. 63, 76, 166 



var. montereyi 18, 38, 76, 166 

 Semelida? 75, 165 

 Septifer 73, 119 



bifurcatus 18, 38, 119 



heberti 119 



lampe 73 

 Serpulorbis S3, 299 



arenaria 299 



squamigerus 19. 22, 24, 25, 28, 31, 32, 45, 63, 

 83, 299 



(Vermicnlaria) 299 

 Sigaretns 84, 316 



debilis 31, 45, 84, 316, 317 



neritoideus 316 

 Siliqua 76. 172 



californica 173 



Incida 18, 21, 27, 31, 38, 63, 76, 172, 173 

 nuttalli 173 



Jane », 1903. 



