274 Index. 



Page. 



Dana, Ammonites in Tejon group 94 



Notes on Upper California - 88 



Manual of geology 152 



Subsidence in Pacific Ocean 87 



Davidson, George, Remarks on surface geology, as affected by upheavals. 104 



Submerged valleys of coast of California 107 



Remarks on the first discovery of glaciers 104 



RemaYks on recent earthquake waves 104 



Abrasions of the continental shores of northwest America 105 



Auriferous gravel deposits of California 105 



Da vies. Report of Pacific Coal Company 152 



Davis, Remarks on certain geological specimens 101 



Davison, Simpson, The discovery and geognosy of the gold deposits in 



Australia, etc 152 



Dawson, Surface geology of the Pacific Slope 108 



Day, D. T., Reports on mineral resources of United States 66, 67, 73, 74 



Day, W. C, Stone 61,66 



Deetken, Treatment of gold ores 58 



Degroot, Hydraulic and drift mining 24 



History of Geological Survey of the State 25 



Delano, Life on the plains and among the diggings 152 



Delessert, Les mines d'or de la Californie 152 



Delmar, History of precious metals 152 



Denton, Asphalt, Los Angeles 100 



Denis, Les Californiens . 152 



Derby, Topographical memoir, with map of the Sacramento Valley 49 



Diller, Coal in the Chico group of California 131 



Geology of Lassen Peak district 65 



Volcanic eruption in northern California 70 



Tertiary revolution in the topography of the Pacific Coast 65 



Lavas of northern California 80 



Notes on geology of northern California - 69, 95, 133 



Latest volcanic eruption in northern California 95 



Notes on Cretaceous rocks in northern California 96 



Discovery of Devonian rocks in California 96 



Sandstone dikes ._ 115 



Geology of the Taylorville region _ 116 



Cretaceous and early Tertiary of northern California 116 



Shasta-Chico series 117 



Revolution in the topography of the Pacific Coast since the auriferous 



period .._ : 120 



Rocks of Lassen's Peak . 131 



Latest volcanic eruption, Pacific Coast. 132 



Topographic developments, Klamath Mountains 71, 97 



Copper deposits of Shasta County 71 



Hornblende basalt in northern California 83 



Drake, Topography of California 121 



Dunbar, Romance of the age, etc 153 



Dunn, Drift mining in California.. 26, 59 



The auriferous conglomerate in California 28 



Dunnington, Distribution of titanic oxide 96 



Durand, Silver mines, Pioche 104 



