Index 



San Ramon syncline, San Lorenzo 



series of, 77. 

 Sandstone, 3, 4; arkose (arkosic) 26, 



28, 240, 241; contacts of, 242-243, 



291. See also Franciscan. 

 Santa Catalina Island, 2. 

 Santa Cruz Mountains, California, 100. 

 Santa Fe beds, New Mexico, 453. 

 Saxicavidae, 161. 

 Scaphander, genus, 189. 



sp., 189. 

 Seaphandridae, 188. 

 Scaphopoda, 190. 

 Scherzer, W. H., cited, 39. 

 Schizaster, genus, 193. 



calif ornica, 193; plate showing, opp. 



220. 



Schlosser, M., cited, 557. 

 Scrivenor, J. B., cited, 361, 365. 

 Scutella breweriana zone, 73. 

 Searlesia, genus, 175. 



dalli, 175; plate showing, opp. 226. 



dira, 175. 



Serpula, genus, 192. 



rectif ormis, 192 ; plate showing, opp. 

 234. 



Shale, in Franciscan sandstone, 16, 

 18-24, 25, 26, 35-36, 37, 39, 242, 

 243, 247, 264-268, 279, 281, 358, 

 359, 360, 387, 395, 407; analyses 

 of, 268, 290; plate showing, opp. 

 44. 



in the Lower Monterey, 79. 



Kreyenhagen, 86. 

 Sharwood, W. J., cited, 277. 

 Siderastrea, genus, 194. 



clarki, 194. 

 Sierra Nevada, granite, 9, 10; radio- 



larian cherts, 313. 

 Sigaretus scopulosus, 169, 170. 

 Silica, in radiolarian cherts, 369, 375, 



376, 377, 386, 393, 405. 

 Sinum, genus, 169. 



planicostum, 170. 



scopulosum, 169; plate showing, opp. 

 230. 



Slates, Mariposa, 9, 13, 39. 



Smilodon, 543. 



Smith, J. P., cited, 14, 277. 



Smith, W. D., cited, 15. 



Snake Creek fauna, 532. 



Sobrante anticline, San Lorenzo series 



in, 74; areal map of, opp. 74. 

 Solariidae, 165. 

 Solarium, genus, 165. 



lorenzoensis, 165. 

 Solen, genus, 155. 



Solen curtus, 155. 



gravidus, 156; plate showing, opp. 

 206. 



parallelus, 157. 

 perrini, 157. 

 rosaceus, 157. 

 sicareus, 156, 157. 



(Plectosolen) curtus, 155; plate 

 showing, opp. 206. 

 Solenidae, 155. 

 South Africa, 342. 

 Spatangidae, 193. 

 Spherulites, 272. 

 Spilites, 385. 

 Spisula, genus, 157. 



albaria, 158, 159. 

 ramonensis, 158. 



catenulatus, 157. 



occidentalis, 157; plate showing, 

 opp. 208. 



ramonensis, 158; plate showing, opp. 

 204. 



attenuata, 158; plate showing, 

 opp. 204. 

 selbyensis, 158, 159. 

 Spisula? saxadomoides, 159; plate 



showing, opp. 218. 

 Stansfield, J., cited, 398. 

 Stanton, T. W., cited, 11, 14. 

 Steinmann, G., cited, 406. 

 Sterrett, D. B., cited, 272. 

 Strongyloeentrotidae, 192. 

 Strongylocentrotus, genus, 192. 

 Strongylocentrotus? sp., 192. 

 Stylemys, genus, 456, 458, 460, 461. 

 Suidae, 507. 



Teall, J. J. H., and Fox, H., cited, 

 395. 



Tejon fauna, 54, 55. 



Tejon formation, 76, 78; areal map 



of, opp. 78. 

 Tellina, genus, 152. 



idea, 154. 



lorenzoensis, 152. 



oregonensis, 152; plate showing, 

 opp. 212. 



praecuta, 153; plate showing, opp. 

 210. 



tenuilineata, 153; plate showing, 

 opp. 206. 

 Tellinidae, 152. 

 Templeton, E. C, cited, 3. 

 Tephroeyon, genus, 451, 463, 533. 



kelloggi, 464. 



rurestris, 464; figure of, 464. 



near temerarius, 462; figure of, 463. 

 Teredinidae, 162. 

 Teredo, genus, 162. 



sp. indt., 162. 



substriata, 190. 



substriatum, 190. 



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