156 
INDEX. 
Page. 
Casmalia Hills, definition of. 16 
description of. 19-20 
fossils of.57-00 
geology at and near. 30,49,56,57,03-04,68 
oil in. 82-83 
structure of.81-82 
upheaval of. 69 
Chico formation, correlation of. 27 
Chione mathewsonii Gabb, occurrence of... 32 
sp., occurrence of. 58 
Chlamys lawsoni Arnold, figure showing. .. 152 
lawsoni Arnold, occurrence of. 59 
sespeensis var. hydei Arnold, figure 
showing.j. 136 
var. hydei Arnold, occurrence of- 32 
yneziana Arnold, figure showing.126,128 
occurrence of. 32 
Chlorostoma sp., occurrence of. 58 
Chrysodomus sp., occurrence of. 58 
Clarke, F. W., on age of oil. 113 
Clidiophora punctata Carpenter, figure 
showing. 148 
punctata Carpenter, occurrence of. 58 
Climate, description of.,. 26 
Coast terraces, description of. 23-24,25 
Codakia sp., occurrence of. 32 
Columnar section, plate showing. 26 
Contour map of Santa Maria field. 92 
preparation of. 92-93 
Conus hornii Gabb, occurrence of. 32 
sp., occurrence of. 32 
Cooper, H. N., analyses by. 115-117 
Coscinodiscus heteropurus Ehr., occurrence 
of. 41 
marginatus Ehrenberg occurrence of... 40,41 
marginatus Ehrenberg var. intermedia 
Rathay, occurrence of. 40,41 
nodulifer Janish, occurrence of. 41 
obscurus A. S., figures showing. 142 
occurrence of. 41 
oculus iridis Ehr., figure showing. 140 
occurrence of. 41 
radiatus Ehr., occurrence of. 41 
robustus Grev., figure showing. 142 
occurrence of. 40,41 
subtilis Ehr., figure showing. 142 
occurrence of. 41 
Crassatelites collina Conrad, figure showing. 126 
collina Conrad, occurrence of. 32 
sp., occurrence of. 32 
Crepidula pnneeps Conrad, figure showing. 150 
princeps Conrad, occurrence of. 58 
Cretaceous rocks, character of. 27 
description of. 28 
fossils in, plate showing. 128 
occurrence of. 12 
Cretaceous time, history in. 66 
Crucibulum spinosum Sowerby, occurrence 
of. 58 
Cryptomya ovalis Conrad, figure showing .. 146 
ovalis Conrad, occurrence of. 58 
Cuaslui Creek, fossils near. 58-60 
oil near. 90 
Cumingiacaliformca Conrad, figure showing 148 
californica Conrad, occurrence of. 58 
Cuyama River, geology on. 35 
volcanic ash on, view of. 34 
D. Page. 
Development, future, probabilities of. 79-80, 
86,88,90,91 
Developments, present, detailed descriptions 
of.92-109 
Diabase, occurrence of. 65 
Diatomaceous earth, description of. 38 
occurrence of.3&-34,35,38,54-55,89 
views of. 34,36 
Diatoms, occurrence and character of... 38-39,68 
oil from. HO 
plates showing. 140-142 
See also Diatomaceous earth. 
Dictyoclia gracilis, figure showing. 142 
Diploneis, occurrence of. 40 
Divide, geology near. 54 
Dosinia elevata Gabb, occurrence of ---- 32 
ponderosa Gray, figure showing. 146 
occurrence of. 58 
Drainage, description of. 25 
Drillia graciosana Arnold, figure showing .. 144 
graciosana Arnold, occurrence of. 58 
johnsoni Arnold, figure showing. 144 
occurrence of. 58 
waldorfensis Arnold, figure showing.... 144 
occurrence of. 58 
Drilling, cost of. 120 
Dune sand, occurrence and description of.. 63-64 
E. 
Ecliinarachnius aslileyi Merriam, figure 
showing. 150 
ashleyi Merriam, occurrence of. 58 
excentricus Esch. var., figure showing.. 150 
occurrence of. 58 
El Jaro Creek, fossils at. 40 
Monterey shale on. 35,39 
analysis of. 45 
Eldridge G. H., on geology of region_ 13-14,50 
Eocene rocks, character of. 27 
description of. .. 29-33 
fossils in, plates showing. 126,128,130 
Eocene time, history in. 66-67 
Escolle-Pinal-Folsom-Santa Maria Oil and 
Gas area, description of. 98-99 
F. 
Fairbanks, II. W., on geology of region_ 11-13, 
31,39,40,64-65,108 
Faults, occurrence of. 77-78,85,105 
Fernando formation, age of. 57-60 
contact of Monterey and, topographic 
expression of. 22 
character of. 54-55 
correlation of. 27,52 
deposition of. 69-70 
description of.’. 52-60 
diatomaceous earth in. 54-55 
view of. 98 
distribution of. 52,57 
fossils of. 57-60 
plates showing. 144-154 
name of. 52 
oil in. 53 
structure of. 56-57 
terrace deposits and, similarity of. 61-62 
thickness of. 52 
