286 Index. 



Page. 

 Schuster, Mikroskopische beobachtungen an Californischen gesteinen... 114 



Seyd, California and its resources 164 



Seymour, Emigrant's guide to the gold mines 164 



Shaler, California earthquakes 164 



Shaw, Golden dreams and waking realities, etc. 164 



Shepherd, Geysers of California 88 



Shinn, C. H., Mining camps 164 



Shumard, Description of Tertiary fossils from Oregon and Washington, 



and Cretaceous of Vancouver Island 130 



Silliman, On naphtha and illuminating oil from California 90 



On probable existence of microscopic diamonds in sands of hydraulic 



washings 92 



New diamond localities in California 104 



Report on New Almaden quicksilver mines 56, 90 



Petroleum in California 90, 164 



On placers of Nevada County .... 90 



Petroleum regions in California 164 



Report on oil property of Philadelphia and California Petroleum 



Company, 1865 164 



Peculiar mode of occurrence of gold and silver. Sierra Nevada 104 



Deep placers of the Yuba 90 



Silversmith, Metallic wealth of Pacific States 164 



Simonin, Auriferes de la Mariposa 112 



Geologic, observations sur les gisements auriferes . 112 



Simpson, Emigrant's guide to the gold mines 164 



Sinclair, Tortoise from auriferous gravels of California 44 



Skidmore, Reports on California mines 57, 58, 59 



Deep placer mining in California . 58 



Smith, , Report of General Smith on California, 1849 49 



Smith, James P., Age of auriferous slates of the Sierra Nevada 117 



Metamorphic series of Shasta County 120 



The Arkansas coal measures, in their relation to the Pacific carbon- 

 iferous province 120 



Supplementary notes on the metamorphic series of the Shasta regon. 80 



Mesozoic changes in the faunal geography of California 120 



Carboniferous of Shasta County 80 



Studies for students, migration of marine invertebrates 121 



Classification of marine Trias l . 121 



Border line between Palaeozoic and Mesozoic in Western America. -. 122 



Principles of palaeozoic correlation 122 



Development of Glyphioceras 107 



Development of Ly toceras and Phy Uoceras 107 



Development of Placenticeras _ 108 



Smith and Weller, Prodromites: a new Ammonite genus 122 



Smith, G. 0., Pacific Coast coal fields 67 



Smith, W. S. T., Geology of Santa Catalina Island 107 



Erosion theory of peneplain _ 43 



Topographic study of islands of southern California 43 



Geology of San Clemente Island 66 



On Glyphioceratidce - 107 



Solismac, Les mines de la Californie 164 



Spurr, Origin and structure of basin ranges 118 



