622 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Chestnut Hill, Pennsylvania, Pottsville for- 

 mation at 59, 60 



Cheyenne river, Cretaceous rocks exposed 



on 389, 411 



, Section on 390 



Chinese cosmogonies, Reference to 2 



Chocolate butte, Nevada, Features of 334 



Chugwater creek, Carboniferous andTrias- 



sic rocks on 403 



, Chugwater formation on 403, 4<>4 



, Cretaceous rocks in 405, 406, 407 



Chugwater formation, Character and extent 



of... 394, 397-398, 402, 403-404, 413, 416-426, 441 



, Correlation of. 416 



, Fossils of 418 



— -, Section of. 418 



, View of. 398 



Claghorn, C. R., cited on Pottsville forma- 

 tion 51 



Clarion coal beds, Occurrence of, in West 



Virginia 189, 198 



Clarke, John M., elected Councillor 531 



Clark formation, in Virginia 154 



, in West Virginia 156, 



157, 158, 160 



Clarksburg, West Virginia, Section at 196 



Clay Court House, West Virginia, Section 



at 181 



Claypole, E. W., cited on Pottsville forma- 

 tion 39 



Clear lake, Ontario, Features of. 228 



Clements, J. M., cited on nodules in dikes 



in Minnesota rocks 475 



Cliff coal bed, Thickness of, in Alabama... 126, 



127, 128, 132 



, Synonymy of 207 



Cliff conglomerate and sandstone in Ten- 

 nessee, Occurrence of. 140, 141, 143, 144 



. See also Etna conglomerate. 



— sandstone in Alabama 126, 127 



Tennessee 117, 118, 120, 121, 



122, 124, 125 



, Synonymy of 2u7 



Climatology, Explanation of, under planet- 



esimal hypothesis 255-258 



Cloverly formation, Character and extent 



of 394, 398-399 



Coal beds, Carboniferous. See Pottsville 



formation. 

 , Cretaceous, in Black Hills region, Oc- 

 currence of. 389 



Coalburg coal bed, Horizon of 270 



, Occurrence of, in West Virginia 161 



164, 166, 176, 181 



, Synonymy of 205 



Coal Creek, Tennessee, Section near... 143-144, 



145, 146 

 Coal Creek coal bed, Occurrence of, in Ten- 

 nessee 144, 145 



, Synonymy of 207 



, See also Sewanee coal bed. 



Coal Measures, Subdivisions of 38 



. See also Pottsville formation. 



Coast ranges, southern, of California, Strati- 

 graphic succession in 581-582 



Coatue, Nantucket, Features and changes 



inform of 521-522 



Cogley, West Virginia, Section near 191 



Cohocton-Wayland valley, N. Y., Features 



of 451-452 



Colborne, Ontario, Beaches of lake Iroquois 



near 354 



Coleman, A. P., cited on beach of lake Iro- 

 quois 348,349 



— ; Iroquois beach in Ontario 347-368 



— , Record of remarks by 566 



— ; Sudbury nickel-bearing eruptive [ab- 

 stract] 551 



— , Title of paper by 575 



Colme, George L. ; Basin of the Po river 

 [abstract] 566-568 



Page 

 Collins creek, Ontario, Geologic history of 



valley of. 233 



Colorado City, Colorado, Cretaceous rocks 



near 427, 431-432 



Colorado Springs, Colorado, Cambrian rocks 



near 413 



, Columnar sections at 379 



Colton, H. E., cited on Pottsville formation 



of Tennessee 123, 124, 125 



Comanche formation, Rocky Mountain Front 



range, Character and extent of. 413 



Como, lake, Deltas and terranes near.... 375-376 

 Comparison of the stratigraphy of the Black 

 hills, Bighorn mountains, and Rocky 

 Mountain front range ; N.H.Darton.. 379-448 

 Comstock lode, Fissuring at, Character of.... 22 



Condra, G. E., Aid by 570 



Conemaugh river, Pennsylvania, Pottsville 



formation along 58, 59 



Conesus Lake valley, New York, Features of. 452 

 Connecticut, Drainage system of, General 



features of. 487 



— , Map showing drainage system of. 487 



Connoquenessing sandstone, Correlation of.. 279, 



281 



, Eastward extension of 270 



in Kentucky 102 



Ohio 77, 91 



Pennsylvania 66, 67, 68, 69, 70, 72, 74 



West Virginia 187, 191, 192, 195, 196 



, Synonymy of 205-206 



Constitution, Articles of 597-599 



— , Changes in 597 



Continental forms, Origin of. 260 



Cook coal bed, Synonymy of 206 



Coosa coal field, Alabama, Pottsville forma- 

 tion in 134 



Corben creek, Ontario, Features of 225 



Corbin sandstone, Horizon of 273 



in Kentucky 99 



Tennessee 114, 118, 119, 138, 140, 146 



Virginia 151 



, Synonymy of 206 



Cordilleran Section, Officers of, Election of.. 581 



, Proceedings of 581-586 



Cordilleras of Bolivia, Rainfall in 584 



, Topographic features of 584 



Coskata island, Massachusetts, Origin of.. 510-513 



, Views of 510, 511 



Cotta, Bernard von, Views of, on ore depo- 

 sition 18 



— , and H. Miiller, cited on bibliography of 



ore deposition 28 



Council, Report of. 524-525 



, Adoption of. 557 



Councillor of Cordilleran Section, Election 



of G. D. Louderback as 581 



Councillors, Election of J. M. Clarke and 



G. P. Merrill as 531 



Crandall, A. R., cited on Pottsville forma- 

 tion 92, 93, 94, 95, 97, 99, 100, 101, 103, 



104, 105, 107, 111, 112, 113, 151, 172, 173 

 Creamy sandstone of Colorado, Exposures 



of 439 



, Extent and character of 419, 420 



Creighton mine, Ontario, Ore bodies of 551 



Cretaceous fossils, Bighorn mountains, Oc- 

 currence of. 400,401 



, Black Hills region, Occurrence of 389, 



391, 392, 393 



, Laramie range, Occurrence of 406,407 



—"rocks, Bighorn mountains. 394, 398-401, 442-418 



, Black Hills region 383,388-394, 442-448 



, Hartville uplift ... 408,410-412, 442-448 



, Laramie range 402, 405-407, 442-448 



, Rocky Mountain front range. 413, 425-434, 



442-44S 

 Crook, A. R.; Molybdenite at Crown Point, 



Washington 283-2S8 



Crosby, W. O., quoted on joints in Massa- 

 chusetts 501 



