404 



CATALOGUE AND INDEX OF 



[BCLL. 127. 



Geologic Philosophy — Continued. 

 Chbmic Geology (excepting metamor- 

 pliism androck decay): — Continued. 

 1886. Geology and mining of Lead- 

 ville, Emmons, S. F. 



Leadville ore deposits, Colo- 

 rado, Rolker. 



Low Moor iron ores of Virginia, 

 Lyman. 



Internal erosion a factor in 

 mountain building, King, 

 F. H. 



Cornwall mines, Pa., Lesley and 

 d'Invilliers. 



Lake Lahontan, Bussell, I. C. 



Veins of southwestern Colo- 

 rado, Comstock. 



Origin of kaolin, Lesley, J. P. 

 1887-1889: Genesis of ore deposits, 

 Emmons, S. F. 



Lithology of wall rocks of Cali- 

 fornia, Attwood. 



Quicksilver deposits' of Pacific 

 Slope, Becker. 



Eainbow lode, Mont., Blake. 



Sudbury copper deposits, Can- 

 ada, Collins. 



Copper mines of Arizona, Blake. 



Structural relations of ore de- 

 posits, Emmons, S. F. 



Color of soils, Crosby. 



Theory of ore deposits. Wads- 

 worth. 



San Juan region, Colo., Ihl- 

 seng. 



Treadwell mine, Alaska, Daw- 

 son, G. M. 



Geology of Colorado ore de- 

 posit, Lakes. 



Origin of gold' deposits near 

 Ouray, Endlich. 



Review of Emmons's Leadville 

 report, Raymond. 



Ores in Rocky Mountain region, 

 Hills. 



Aspen Mountain, Colo., Brun- 

 ton. 



Rosario mine, Juancito, Cen- 

 tral America, Leggett. 



Drumlummon veins of Idaho, 

 Clayton. 



Iron ores of Penokee-Gogebio 

 region, Van Hise. 



Luddington mine, Mich., 

 Browne. 



Geologic Philosophy — Continued. 

 Chemic Gbolog-y (excepting metamor- 

 phism androck decay) — Continued. 

 1887-1889. West central Arkansas, 

 Comstock. 



Iron ores, Menominee range, 



, Fulton. 



Irregularities of lodes, veins, 

 and beds, Koehler. 



Butte, Mont., Emmons, S. F. 



Archean [iron ores in New Jer- 

 sey and New York], Britton, 

 N.L. 



Salt of western New York, 

 Newberry, Bishop. 



Chemical industries [salt], 

 Wyatt. 



Formation of salt Ochsenius. 



Geology of Bath [etc.] conn- 

 ties, Ky., Linney. 



Pyrite in bituminous coal. 

 Brown, A. P. 



Origin of chert in Iowa coal 

 measures, Am. Geol. 



Origin of deposits of phosphate 

 of lime, Penrose, Shaler. 



Gypsum in Ohio, Orton. 



Qnartzite and siliceous con- 

 cretions, Crosby. 



Gypsum in Manitoba, Tyrrell. 



Siliceous sinter in thermal 

 springs, Weed. 



1890. Origin of Keewatin ores, Win- 



cheU, N. H. and H. V. 

 Quicksilver deposits, Becker. 

 Natural gas and oil, Orton. 

 Formation of traventine and 



sinter by vegetation of hot 



springs. Weed. 

 Protozoa as rook-b u i 1 d i n g 



agents, Friedrioh. 

 Corals and coral islands^ Dana, 



J. D. 

 Phosphate rock in Florida, 



Cox, Ledoux, Wyatt. 

 Subaerial decay of rocks and 



origin of red color in certain 



formations, Dana, J. D. 



1891. Nickel and copper of Sudbury, 



Canada, Bell. 



Florida phosphate, Cox. 



Vein phenomena in Boulder 

 County, Colo., Farish. 



Mother Lode region, Cal., Fair- 

 banks. 



