INDEX 
Page. 
States Prison, quarry at.....148 
Steatitic slate- 27 
Steam from hot springs-- 106 
Steamer Active, use of coal on board of_ 286 
Stems of plants, fossil....__ 36,49 
Soda Springs, Colorado Desert-—.245 
Sonora. 254 
Soil of the Hounded Hills. 7 
of the Tejon_ 39 
of the Tulare Valley..-. 190 
of Warner’s Valley. 106 
of the Desert near the Indian villages_ 99 
at the Mojave River __ 85 
of San Bernardino Valley, analysis of-... 82 
Spanish trail. -- 63 
Spherical form of the grains of sand--... 120 
masses of sandstone_ 9 
Spotted diggings .. 15 
Springs at Vallecito. 105 
in the Great Basin... 182 
Stilbite. 68 
Stimpson, William, specific characters of Scut ell as in- 
terlineata, by_ 153 
Stockton______253 
Straits of Carquines — ... 5 
Stramonita petrosa_ 42,88 
Stratum of fossils, Carrizo Creek__108 
Strephona Pedroana_ 186 
Strombocarpa pubescens....105 
Structural arrangement of minerals in granite.....199, 200 
in lava-- 22 
Submerged ranges of mountains. 139 
Submergence of the Coast Mountains.. 23 
Sulphuret of antimony. 43 
Sulphuretted hydrogen... 95 
in the water of Ocoya Creek.... 34 
in the water at Agua Caliente.. 106 
Sunflowers. 10 
Sun-cracks in the soil...... 7 
in the strata at San Pedro. 178 
Susannah range ..._ 75 
Swiftsure tunnel___273 
Sycotopus ocoyanus. 170 
Syenite. 18 
Johnson’s river... 63 
graphic of Williamson’s Pass.. -71 
Syenitic granite at Fort Miller__ 20 
near White Creek... 29 
between Auburn and Coloma_270 
T. 
Table Hills near the Merced..... 12 
near Fort Miller.17,18 
Table Mountains near Fort Miller.... 22 
Table Mountains....... 277 
Talcose slates...... 59 
Talcose and clay slates of the Gold Region.275 
Talcose and chloritic slates... 254 
Tar Springs....... 76 
XI 
. Page. 
The Springs, described by De Mofras__ 284 
Teeth of the mammoth and mastodon.256, 257 
Tejon . 37,39 
its position and boundaries_ 197 
Creek. 37,39 
Pass. 197 
Telegraph Hill sandstone_ 4 
Tellina... 1 
Tellina congesta..176,177,182 
Diegoana.__ 176 
Ocoyana___ 170 
Pedroana ______ w _ 186 
-?..... 173 
Telluret of silver. 274 
Temperatures at Fort Miller... 24 
of the hot springs at San Bernardino_ 38 
of the hot springs at Warner’s...106 
of the seasons at Fort Yuma_251 
Teredo in fossil tree.___ 12 
Terraces on the Tuolumne River__ 11 
on the San Joaquin_ 20 
near Dry Creek_ 25 
on King’s River. 25 
along Posuncula River..33, 37 
in Williamson’s Pass_ 69 
Valley of San Bernardino.... 81 
in the Tejon Pass.208 
of the Colorado Desert_233 
Tertiary formations of the Isthmus_ 1,2 
of Benicia_5,151 
of Martinez_ 6 
of Livermore’s Pass_ 9 
of the valley of the San Joaquin. 12,15 
of Ocoya or Posd Creek..31, 33, 34, 35, 
164,165-173 
of the southern extremity of the 
Tulare Valley __42,45,164 
of the Pass of San Francisquito.57, 58,59 
along the slope of the Basin near 
Williamson’s Pass.62, 63 
San Fernando Pass.73,177 
at the Cajon Pass... 87 
of the Colorado Desert. 102 
of Carrizo Creek.122,175,176 
at PuntaLomaand San Diego..128,176 
of Navy Point, Benicia.. 152 
Eocene .. 164 
Miocene.165,172,179 
of Chico Creek. 173 
of Los Angeles and San redro._177,178 
of Monterey___ 180 
of the Great Basin ... 185 
general observations on. 187 
of the Tejon Pass ..207 
of the Gold Region... 277 
Thermal springs of San Bernardino.. 83 
Tooth of the mammoth... 186 
Torrey, Dr. John, description of a new oak.-_ 88 
Tournil or screw bean. 105 
