IV 
INDEX 
Page. 
Denudation of the plain of lava at Fort Miller_ 23 
Depot Camp at Ocoya Creek_ 32 
Desert, Colorado___94,112, 234 
view of from Carrizo Creek_._ 108 
Diablo valley...-.6,141 
Diablo range_ 139 
Diagonal stratification.-.—.. 167 
Diallage, or bronzite_ 7 
Diallage in the serpentine of Fort Point_ 157 
Dislocation of a bed of sandstone_ 149 
Dome rock__ 114 
Drift or erratics near Tejon Creek_ 37 
Drift or detritus_ 86 
of the Tejon Pass.51, 207 
resting on the edges of sandstone- 66 
overlying the strata of the Desert .... 175 
of the Great Basin. 219 
forming a slope at San Bernardino..-- 88 
Drift or detrital accumulations in the Canada de las 
Uvas. 47 
Drift-pebbles near Carrizo Creek__ 108 
Drifted sand_91, 95 
Dry Creek. 12 
Dry Creek, valley of_ 25 
Dry lake, or Playa, Great Basin__54, 220 
Ducks-- 58 
Dunes of blown sand at San Francisco_160,161 
Dwarf oaks... 42 
Dykes of trap.. 79 
E. 
Earthquakes at Fort Yuma__ 115 
Easter, Dr. J. D., analysis by_ 84 
Echinorhinus Blakei_ 172 
Efflorescences from the soil. 82 
Elbow Creek.. 26 
El Dorado Company, aqueduct of. 267 
Elephas, tooth of.257 
Elevation of the water-line_ 100 
of the valley of the Ancient Lake_ 97 
of the surface of the Desert above the sea-level. 238 
of the slopes of the Great Basin.. 217 
of the California coast, evidences of..186 
Elk... 10 
Elkhorn_ 10 
Emigrant road from the Gila to Carrizo Creek_ 99 
Emory, Major Wm. H., reference to the report of_109 
Empire Company at Grass Yalley_ 268 
Eocene fossils at the Canada de las Uvas_ 46 
Eocene strata of the southern end of the Tulare valley. 163 
Eocene fossils_ 163 
Erosion of the valley of the San Joaquin_ 23 
of river valleys__ 278 
Erupted rocks filled with agates_ 67 
dyke of porphyry_ 68 
Evaporation of water at Ocoya Creek_ 34 
rapidity of.. 194 
Evergreen oaks_ 5 
Extent of the great valley of California. 143 
F. 
Page. 
Faults in sandstone, Carrizo Creek_ 121 
Feldspathic soil_ 39 
Feldspathic veins_ 124 
Feldspar in crystals._126,307 
Fertility of the soil of the Desert__ 111 
Fig trees_ 73 
Fir trees in the mountains at the head of the Tulare 
Yalley.. 43 
Fissurella crenulata.. 186 
Fissure in the rocks at Pilot Knob_.-... 119 
Flexures of the sirata near San Francisco_154,155 
Flexure of the rocks of the Tejon Pass.._205 
Flint containing fossils_ 112 
Flour mill at San Bernardino_ 81 
Fog and precipitation of water, Cajon Pass- 85 
Fog at San Gabriel. 79 
at Warner’s Pass.. 105 
Forest Hill. 262 
Forests of pines_257 
Formations of San Francisco_ 145 
Foot hills of the Sierra Nevada--- 12 
Fort Miller.19,20 
mining at_ 20 
Fort Boss, sandstone of. 283 
Fort at Panama_ 2 
Fort Yuma on the Colorado-112, H3 
Fossils at Ocoya Creek_33, 34,170,171,172 
at the head of the Tulare Yalley... 42 
at San Fernando_ 73 
at Carrizo Creek_108,175,235 
in the sandstone of Benicia_ 152 
at San Fernando...—.. 177 
at San Diego_...- 176 
at San Pedro_- — - 186 
at Chico Creek and Volcano Eidge.173,174 
in the clay of the Desert-235 
bed of at Ocoya Creek—-- 170 
eocene-----—.164 
Fossil shells_ 1 
eocene, at the entrance of the Cafiada de 
las Uvas_ 46 
Fossil stems of plants.-.-.- 36 
Fossil tree in sandstone_ 12 
F6ssil oysters_ 8 
Fonqueria-- 123 
Four Creeks, alluvial land of- 27 
vegetation and settlements on. 27 
Francisquito Pass.. 35 
Frdmont, Col. J. C., reference to observations on the 
Great Basin_ 
Fresh-water shells, fossil.-. 
Fresno Eiver_ 
Fruit trees at the Tejon- 
G. 
Galeocerdo productus- 
Gaturo_ 
Garnets cut by driving sand.... 
171,172 
.... 1 
... 92 
