X 
INDEX. 
Tago. 
Santa Anna River__._ 89 
Santa Barbara.130,187 
Santa Barbara, fossils of... 179 
San Bernardino Mountain.. 137 
San Bernardino Pass_;.89, 90 
San Bruno Range_ 139 
Santa Clara River_ 72 
Santa Cruz Range_ 139 
San Diego... 3 
San Diego Mission__ 128 
San Diego, tertiary strata of_ 176 
San Ftilipe.105,107,124 
San Fernando Mission__74, 75 
San Francisco--—.. 4 
San Francisco, rocks of--...... 145 
San Francisquito Rancho_ 71 
San Francisquito Pass.. 55 
San Francisco Range. 139 
San Gorgono Mountain.. 91 
San Gorgono Mountain, view of, from Deep Well_ 96 
San Gorgono Pass..89, 20 
Santa Isabel___125,126 
San Joaquin River_ 144 
San Josd, valley of_,___ 141 
San Juan Mountains, sandstone of__ 152 
San Juan Range__ 139 
Santa Maria Rancho_ 126 
San Luis Obispo_ 130 
tan Luis Obispo, infusoria at... 189 
San Pasqual. 127 
San Pedro. 76,129 
Satin spar_ 168 
Saw-mill_ 4 
Saxicava abrupta__ 186 
Scirpus lacustris- 191 
Scomber oides_ 172 
Scorpion. 34 
Schizothcerus Nuttallii. 186 
Screw bean, or Tourniel... 105 
Scutella interlineata_:_153 
Scymnus occidentalis.. 172 
Sea lion. 4 
Sebastian Military Reserve. r . 39 
Section at Bear Creek-—... 15 
of the valley of the San Joaquin_ 22 
of the strata at Ocoya Creek_ 35 
of the valley of the Mojave_ 64 
of the Colorado River at Fort Yuma ..114 
of the strata at Ocoya Creek_ 167 
of infusorial strata at Monterey_ 181 
of the Sierra Nevada at the Tejon Pass_198,199 
at the Tejon Ravine___ 201 
at the Canada de las Uvas.208 
of the terraces of the Desert__ 233 
of the Sand Hills. 241 
of auriferous drift at Sarahville_ 263 
of a mining claim at Michigan City_266 
of the auriferous deposits at Mameluke Hill_272 
of the coal strata at Bellingham Bay_286 
Page. 
Segregation in granite...206 
Selenite_ 103 
Septaria_ 175 
Sequoia gigantea_259 
Serpentine used as a building stone... 157 
Serpentine near the Four Creeks.... 28 
Serpentine near San Francisco ___ 151 
Serpentinoid rock .. 274 
Shale and sandstone of San Francisco__146 
Shadows of the mountains projected in the air_100 
Shark’s teeth, fossil at Ocoya Creek...171 
Shells on the surface of the Desert...97,101 
Shore-line of an ancient lake. 97 
Shoberia calceoliformis_ 48 
Shrinkage cracks in the soil.. 26 
Sierra, use of the word.._ 137 
Sierra Nevada, view of, from the Four Creeks __25,26 
snow on .. 25 
view of, from a hill in the Tulare plain. 28 
from the Great Basin_ 54 
extent and altitude of the chain.134 
its broken character at the Tejon.197 
influence on the climate of the Great 
Basin.213 
Sierra de Santa Lucia_ 139 
Sierra Madre. 137 
Signal mountain on the Desert_ 110 
Silica, bituminous_ 130 
Silicified wood...108,263 
cut by moving sand_108 
of the Colorado Desert_117,120,122 
Silicified plants, Canada de las Hvas___ 49 
Silicious infusoria at Monterey_181 
Silliman, Prof. Benjamin, jr., analysis of Cowlitz coal.. 287 
Silt of the Colorado. 112 
Silver.....301 
Silver ore, supposed existence of... 41 
Silver, telluret of_302 
Skeletons of cattle on the Desert_ 110 
Slopes of the Basin_ 25 
Slope of the Great Basin near Williamson’s Pass. 63 
of the Great Basin at the Tejon Pass ........... 52 
of the Peninsula Sierra to San Diego_128 
of the Desert from Carrizo Creek_ 108 
of the Bernardino Sierra_ 80 
Sloughs of the San Joaquin.._____ 10 
connecting the San Joaquin with the Tulare lake 192 
Sluicing. 266 
Snow, southern limit of perpetual, on the Sierra Nevada 135 
Warner’s Pass. 125 
Snow-covered peaks of the Sierra Nevada.. 17 
Soda, carbonate of. 310 
Springs of the Colorado Desert.....94,244,245 
in the Great Basin.52,53,54,221,224 
Squalus spinosus. 172 
Squaws gathering the Mezquite beans. 105 
Stair-like ascent of the mountains___124,126 
Stalactites in the cave at Cave City...260 
Stanislaus River at Abbey’s Ferry.... 256 
