Index 



Chione, genus, 149. 



cryptolineata, 149; plates showing, 

 opp. 196. 



lineolata, 150, 151; plates showing, 

 opp. 198. 



mathewsonii, 143. 



mediostriata, 149, 150; plate show- 

 ing, opp. 196, 198. 



securis, 150. 



whitneyii, 143. 

 Chiton, anterior plate of, 191. 

 Chlorite, 20, 21. 

 Chrysodonms, genus, 175. 



dims, 175. 

 Chrysodomus? pulcherrimus, 175. 



pulchrissimus, plate showing, opp. 

 230. 



Cirripedia, 194. 



Clallam formation, 55, 56. 



Clark, B. L., 45. 



Clarke, F. W., cited, 379, 380, 389. 

 Clavella, genus, 183. 



californica, 183; plate showing, opp. 

 232. 



Climate in Franciscan time, 39, 40; 



hypotheses regarding, in relation 



to rhythmic bedding of cherts, 



354, 390. 

 Clydonautilidae, 192. 

 Coalinga district, California, 99. 

 Codden Hill beds, radiolarian cherts 



in, 316. 

 Coeleuterata, 193. 

 Cole, G. A. J., cited, 399. 

 Coleman, A. P., cited, 39. 

 Colloidal segregation, hypothesis of, 



394-402, 407. 

 Columbella, genus, 173. 



(Mitrella) tenuilineata, 173; plate 



showing, opp. 230. 

 Columbellidae, 173. 

 Concord formation, 74, 75. 

 Conglomerates, in Franciscan sand- 

 stone, 8, 16, 17, 25, 36. 

 Conrad, T. A., cited, 58. 

 Cook, H. J., and Matthew, W. D., 



cited, 532. 

 Cope, E. D., cited, 536. 

 Correlation of Oligocene (San Lorenzo 



Series) faunas of the West Coast, 



101-111. 

 Cosmacanthus elegans, 435. 

 humboldtensis, 433; figures showing 



spine of, 434; comparisons, 434- 



435. 



Crandall, E., cited, 29, 246, 373. 

 Crepidula, genus, 165. 



praerupta, 165. 



rostralis, 166. 



(Trochita) radians, 165. 

 Croeidolite, 342. 

 Crustacea, 194. 

 Crypta praerupta, 165. 



rostralis, 165. 



Cuma biplicata, 174. 

 Cyathodonta, genus, 137. 



weaveri, 137; plates showing, opp. 

 212, 214. 

 Cylichna, genus, 188. 



alba, 188. 



ramonensis, 188; plate showing, 

 opp. 226. 

 Cytheria, genus, 143. 

 Dall, W. H., cited, 53. 

 Daly, B. A., cited, 377. 

 Dana, J. D., cited, 343, 395. 

 David, T. W. E., and Pitman, E. F., 



cited, 397. 

 Davidson, Pirie, 433. 

 Davis, C. H., 11. 

 Davis, E. F., 1, 235. 

 Dendrophyllia, genus, 194. 



californiana, 194. 

 Dentaliidae, 190. 

 Dentalium, genus, 190. 



conradi, 190. 



petricola, 190. 



radiolineata, 191; plate showing, 



opp. 230. 

 radiolineatum, 191. 

 sobrantensis, 191; plate showing, 



opp. 214. 

 cf. stramineum, 191. 

 substriatum, 190. 

 Deposition of Franciscan sandstone, 

 conditions of, 33-37; continental, 

 33, 240; wind action, 33; fluvia- 

 tile, 33; marine, 34; shale, 35, 37; 

 conglomerates, 36. 

 Deposition of radiolarian cherts, la- 

 goon hypothesis, 364-368. 

 Dewey, H., and Flett, J. S., cited, 385, 



386, 408. 

 Diabase, 25, 26, 240. 

 Diekerson, E. E., acknowledgment, 56. 

 Diller, J. S., cited, 12, 14. 

 Dinocyon, sp., 466, 532. 

 Diplodonta, serricata, 139. 



stephensoni, 139; plate showing, 

 opp. 210. 

 Diplodontidae, 139. 

 Dixon, E. E. L., and Vaughan, A., 



cited, 364, 365, 396. 

 Dolliidae, 172. 

 Donacidae, 155. 

 Donax, genus, 155. 



sp. indt., 155; plate showing, opp. 

 214. 



Dosinia, genus, 141. 

 elegans, 142. 



mathewsonii, 141, 143; plate show- 

 ing, opp. 200. 

 ponderosa, 142. 

 whitneyi, 142. 



(Dosinidia) mathewsonii, 141. 

 (Dosinidia) whitneyii, 143; plates 

 showing, opp. 200. 



