280 Index. 



Page. 



Lake, Gold mines of California 124 



Asphaltum of California 124 



Calaveras County mines . 124 



Fossilized big trees of California 133 



Oil fields of California 124 



Lanszweert, Mineral waters from Red Bluff 101 



Lapparent, Geological treatise 157 



Laur, Production des metaux precieux en Calif ornie 157 



Du gisement et I'exploitation de I'or en Californie 111 



Terrains auriferes de la Californie 157 



Lawson, Geology of Carmelo Bay 38 



Post Pliocene diastrophism of the coast of southern California 38 



Geomorphogeny of the coast of northern California 39 



Cont^-ibution to the geology of Coast Ranges 43, 82 



Malignite 42 



Berkeley hills 43 



Oligoclase-corundum rock from near Spanish Peak, California 44 



The Eparchean interval 44 



Drainage features of California 118, 122 



Geology of middle coast ranges of California 118 



Plumasite 44 



Feldspar corundum rock, Plumas County 122 



Geology of San Francisco peninsula 65, 121 



Lawton, California mining . 60 



Lawyer, California mines 59 



Leach, Fineness of California gold 150 



Le Conte, Critical periods in the history of the earth .•_ 39 



Flora of coast islands of California 80, 95 



Elements of geology ---- 158 



Address before American Association for the Advancement of 



Science 80 



Volcanic springs in desert of Colorado 89 



Great lava flood of the northwest 105 



Ancient glaciers of the Sierra 92, 93, 104, 106 



Earth crust movements 118 



Nomenclature, subdivisions, etc., of eruptives. Lower Palaeozoic, etc.. Ill 



Prairie mounds of California and Oregon 125 



Theory of formation of great features of the earth's surface 92 



Reply to Prof. T. Sterry Hunt 92 



On lava flood of the west, and structure of the Cascade Mountains.. 92 



Ancient glaciers of Sierra Nevada in Lake Valley 93 



Formation of coast ranges 93 



Structure and origin of mountains... 93 



Mono volcanoes and relation to glacial drifts 93 



Evidence of horizontal crushing in formation of Coast Range of 



California.. 93 



Old river-beds of California 93 



Clay and marl deposits 94 



Metalliferous vein formation at Sulphur Bank. 94 



Mineral vein formation at Steamboat Springs 94 



Genesis of metalliferous veins 94 



Post Tertiary elevation of the Sierra Nevada 95 



