INDEX 
A. 
Adobe houses. 79 
Adobe house at Warner’s_ 106 
Agassiz, Prof. Louis, notice of fossil fishes by_152,171 
Agate and carnelian in the sand of the Desert_ 120 
Agate Creek_ 67 
- Agates near Williamson’s Pass_’_ 67 
from the Bernardino Sierra_ 63 
Agave._. 105 
Agriculture at San Bernardino.. 82 
Agricultural capabilities of the soil of the Desert ..248, 250 
Agua de Tomaso_ 224 
Aguadiente... 75 
Agua Caliente.106,125 
Agriculture, near Martinez_ 5 
Air current through the Golden Gate to the interior .. 253 
to the interior, through the pass of San 
Bernardino_ ____ 91 
Air, clearness of, on the Desert..251 
Alamo Mocho_ 109 
Algodones.—.... Ill 
Alluvium of the Desert_ 234 
of the San Joaquin_ 10 
Alluvial of King’s River_ 25 
of the Four Creeks_ 26 
of the Santa Clara_ 72 
of San Gabriel_ 79 
of the vicinity of San Francisco.. 159 
Altitude of the surface of the Great Basin, the Colorado 
' Desert, and coast slopes compared.. 144 
Altitude of the Sierra Nevada. 134 
American River.262, 263 
American River, eroded valley of... 278 
American aloe... 123 
Amidor’s and Livermore’s Yalley_ 141 
Analysis of the incrustation from the hot springs at 
San Bernardino_ 84 
Analyses of the soils of San Bernardino_ 83 
Amnicola .. 97 
Ancient Lake of the Colorado Desert_97, 235 
Ancient Lake, traditions of by the Indians_ 98 
Andalusite, Bear Creek. 15 
Chowchillas River. 16,304 
Andalusite slate. 16 
Anodonta.103,109 
Anodonta, fossil on the Colorado Desert. 97 
Anomia..... 176 
F 1 * 
Page. 
Antelope, herds of, near King’s River_ 25 
near Lake Elizabeth. 56 
Anticlinical axes in the sandstone of San Francisco.... 154 
Antlers of the elk_ 10 
Antimony, sulphuret of..43, 291 
Antonio, chief of the Tejon Indians.. 41 
Archilette. 224 
Area_ 171 
Area microdonta. 188 
Area of the Great Basin_ 213 
of the Colorado Desert_ 144 
Argillaceous sandstone_ 104 
Argillaceous strata. 33 
Argillaceous and talcose slates.. 270 
Armagosa.. 224 
Arsenic. 303 
Artesian wells, probable success of in the Great Basin.. 224 
Artesian wells at San Francisco.161,162 
at San Jcsd.. 162 
Ascequias. 111 
Asphalt_284 
Aspinwall_ 1 
Auriferous drift or alluvia at Yankee Jim’s_262 
at Forest Hill.262 
at Sarahville..263 
at Michigan City..264 
at Nevada.268 
at Georgetown_272 
at Cement Hill_274 
modifications of___277 
local character of.277 
Lacustrine deposits_278 
its relations to the tertiary. . 189 
Auriferous quartz, Quartzburg__ 13 
Auriferous slates in the Pass of San Francisquito_ 59 
Aqueducts for the supply of water to the miners_267 
Azoic slates_ 254 
B. 
Baculites in the strata of Chico Creek_ 173 
Bailey, Prof. J. W., observations on the microscopic 
organisms of Monterey_181 
description of silicified plants 
found in the Great Basin .... 183 
Barbacoas .. 1,2 
Baker's rancho. 264 
