INDEX TO VOLUME 15 



627 



Page 

 Humboldt Lake mountains, Metamorphism 



in 298 



, Orogenic movements in 306-309 



, Sections of 305,346 



, Sedimentary rocks of... 295-296, 301-302 



, Structure of 300, 331-333 



— , Diagram showing mode of 



formation of. 308 



, Superjacent series of. 301-306 



, Views of 305, 322 



, Volcanic rocks of 302-306, 309-311 



, Weathering in 298-299 



— region, Basin range structure of. 289-346 



, Geological history of 340 



, Map of. 294 



, Sections in 305, 308, 315, 323, 346 



, Views in 305,322,327,328 



— valley, Features of 330-331 



, Alluvial cone in 302 



Hunnewell coal bed, Occurrence of, in Ten- 

 nessee 147 



, Synonymy of. 205 



. See also Tionesta. 



Huntington, E., W. M. Davis and; Physiog- 

 raphy and glaciation of the western Tian 

 Shan mountains, Turkestan [abstract]. 554 



Hutton, James, Geological work of. 10-11 



Hyde creek, New York, Course and features 

 of 237 



Hydrocarbons, Origin of, under planetesi- 

 mal hypothesis 252-254 



Igneous rocks of Wisconsin, Fayalite in 



[abstract of paper on] 551-552 



Imboden coal bed, Occurrence of, in Vir- 

 ginia 149, 150 



, Synonymy of. 205 



Indian river, New York, Course and features 



of 23S 



Inoceramus beds, Correlation of. 571 



Investments, Report on 527 



Invilliers, E. V. d', cited on Pottsville for- 

 mation 52 



Pottsville formation in Virginia 152 



Pottsville formation in West Vir- 

 ginia 157, 168 



— , and A. S. McCreath, cited on Pottsville 



formation in Virginia 150 



Iowa, Benton formation in 574 



Ireland, West Virginia, Section at 183 



Iroquois beach in Ontario; A. P. Coleman. 347-368 



— lake, Age of. 364-365, 368 



, Beaches of, in New York state 358-359 



, in Ontario 351-358 



, Levels of, at different points 368 



, on Niagara river 350-351 



, Relation of, to Rome outlet... 362-364 



, Tilting of. 359-362 



, Climate of period of. 365-367 



■, Duration of. 364-365, 368 



, Glacial relations of 365-367 



, Map showing 347 



Irving, R. D., Reference to study of Copper- 

 bearing rocks of lake Superior by 21, 23 



Irving, R. D., and C. R. Van Hise, cited on 

 secondary enlargement of mineral frag- 

 ments 464 



, Work of, on Lake Superior iron de- 

 posits 23 



Italian and Swiss lakes, Post-glacial 

 changes of altitude in 369-378 



Jackson shaft coal bed, Occurrence of, in 



Ohio 91 



, Occurrence of, in Tennessee 1^2, 124 



, Synonymy of 206 



Jaggar, T. A., cited on thickness of Pahas- 



apa limestone 384 



— , Englewood limestone differentiated by.. 384 

 — , Whitewood limestone named by 382 



Page 

 Jawbone coal bed, Occurrence of, in Vir- 

 ginia 150 



Jeddo, Pennsylvania, Coal beds near 48 



Jellico coal bed, Occurrence of, in Ken- 

 tucky 113 



, Synonymy of. 205 



Jenney, W. P., Cretaceous fossils collected 



by 390 



Joetown, West Virginia, Sections at and 



near 194, 195 



Johns creek, Kentucky, Section on 105 



Johnson Run sandstone, Stratigraphic equiv- 

 alent of 57 



, Synonymy of. 204-205 



Joint systems in southwestern New England 



and southeastern New York 554-557 



Joints and faults, Characteristics of 484-485 



Julien, A. A. ; Fossil water fungus in petri- 

 fied wood from Egypt [abstract]... 550 



Jurassic fossils, Bighorn mountains, Occur- 

 rence of 398 



Jurassic rocks, Bighorn mountains. 394, 398, 441- 



442 



, Black Hills region 383, 387-388, 424-425 



, Hartville uplift 408, 410, 441-442 



— — , Laramie range 402, 404-405, 441-442 



Kalmia and Lincoln collieries, Pennsylva- 

 nia, Section at 44-45 



Kanawha black flint, Occurrence of, in West 

 Virginia 164-165 



— formation, Correlation of. 281 



, Occurrence of, in West Virginia.. 156, 165 



177, 182, 183 



— river, West Virginia, Section along 161 



— valley, West Virginia, Pottsville forma- 



tion in 2Q8-210 



Kansas, Columnar sections in 445 



Katchewanaka lake, Ontario, Features of... 228 



Keene river, Ontario, Course of. 229 



Keith, Arthur, cited on Pottsville forma- 

 tion 142, 143, 145, 147, 275 



Kelly coal bed, Occurrence of, in Tennes- 

 see 123, 124 



, in Virginia 149 



Kemp, J. F., cited on origin of salt deposits. 262 

 — , quoted on influence of faults in determin- 

 ing course of river valleys in Adiron- 



dacks 502-503 



— , Reference to studies made by, of titanif- 

 erous magnetites of the Adirondack^. ... 25 



— , Reference to work of 554 



Kennedy coal bed, Occurrence of, in Vir- 

 ginia 150 



Kentucky, Pottsville formation in 92-114 



Kidney coal bed, Occurrence of, in Pennsyl- 

 vania 55 



Killebrew, J. B., and Safford, J. M., cited on 



Pottsville formation in Tennessee... 141-142 

 King, Clarence, quoted on Basin Range 



structure 292 



— , Reference to study of Comstoek lode by.. 21 

 Kingston, Ontario, Quinte bay near, Features 



of 233,234 



Kinzua sandstone, stratigraphic equivalent 



of 57 



— , Synonymy of. 205-206 



Kittanning coal beds, Occurrence of, in 



West Virginia 188,190,198 



. See also Stockton coals. 



Knight, Wilbur C, cited on mergence of 

 Carboniferous limestone of Colorado 



into red sandstone 439 



— , Memoir of, by E. H. Barbour 544-549 



— , Writings of 548-549 



Knowlton, F. H., cited on age of Cretaceous 



beds of Black Hills region 393 



Koipato mountains. See Humboldt Lake 



mountains. 

 Kraus, E. H., Discussion by, of "Geology 

 under plauetesimal hypothesis " 262-263 



