290 . Index. 



Page. 



Wiley, Remarks on aijriferous gravel deposits of Placer County 104 



Williams, Reports of mineral resources of United States 72, 73 



Williamson, Reports on Pacific Railroad Surveys, Vol. V and Vol. VI.. . 52 



Exploration of Monte Diablo and valley 49 



Wilson, On the gold regions of California 110 



Geology of the gold region of California 123 



Pumping water for irrigation 72 



Winchell, Effects of pressure of a continental glacier 81 



Glacial action in flanks of higher Sierra Nevada 81 



Winslow, On human remains with those of the mastodon 91 



On tides, earthquakes, rising of continents, etc. 101 



Lead and zinc deposits of Missouri 139 



Woods, Sixteen months at the gold diggings . 168 



Woodward, Foraminifera, Santa Barbara 126 



Wright, The ice age in North America 168 



Notes on glaciation of Pacific Coast i)9 



Wyld, Guide to California 168 



Notes on distribution of gold throughout the world 168 



Geographical and mineralogical notes to accompany Wyld's map of 



the gold regions 168 



Yale, C. G., Bulletins Nos. 7, 8, 12, 13, 14, 17, 21, 22, 25 and 26, showing the 



mineral productions of California 29, 30, 31, 32, 35 



— Mining machinery in California .% 



Borax in California 73 



Quicksilver in California ^ 58 



Auriferous gravels of California ^ 59 



Reports on California mining ...•._. 59, 60, 150, 169 



Miscellaneous writings on California mining .. 169, 170 



Chapter on California mines, in Eleventh Census Report 61 



Mineral industry of California 150 



Iron ores of Pacific Coast , r 72, 73 



Mining debris legislation -z'. 150 



Yale, G., Legal titles to mining claims 168 



Yates, Notes on the geology of the Channel Islands 27 



The mollusca of the Channel Islands. .._ 27 



Notes on the geology and scenery of the islands of Santa Barbara 



Channel ' 81 



Mammalian fossils in California 129 



Fossil botany 134 



Zirkel, Microscopical petrography, expl. 40th parallel 63 



*1 



X 9^ 



