INDEX TO VOLUME l8 



697 



"Colby, Charles C, cited on erosions 



on Raisin river 345 



— quoted on Raisin river 345 



Coleman, A. P., elected Second Vice- 

 President 569 



— , Title of paper by 622 



Col MAN, , cited on magnetic segre- 

 gation of minerals 25 



Colorado., Geologic structure in... 395,398 



— Kiver problem. Latest phase of the, 



b.v Warren C. ilendenhall 670 



CoLViN limestone, Occurrence of. . . 99, 114, 



11.5, 125, 126 

 Committee on Photographs, Seven- 

 teenth annual report of 611 



Co.MPLEXiTY of the Glacial period in 

 northeastern New England, bv 



Frederick G. Clapp 507-555 



Concentrates, Chemical 20, 21 



— , Fumarolic, Character of 21 



— , Residual 13, 15 



Concentration, Agencies involved in. 12, 25 

 ■ — , Air and water currents. Action of, 



in 6, 7 



— as a geological principle, by Israel 



C. Russell 1-28 



• — by solution 12 



— of calcium carbonate 2, 26, 27 



— , Carbon, Production of, in 2. 25, 26 



— , Chemical 3, 4, 12-21 



— , Evaporation, Results of, in 15-19 



— , Examples of 2 



— , Filtration. Influence of, in 8,9 



— . Gravity, Effects of, in 6 



— , Ice currents. Results produced bv, 



in 8 



— , Mechanical 3, 4, 6-12 



— of liquids and gases 11 



— , Physical-chemical 4, 22-25 



— , Precipitation, Results of, in 20-22 



— , Primary divisions of 4 



— , Residual, Production of 13-15 



— .Sedimentation, Process of, in 10 



— , Selective power of gravitation in. , . 11 

 • — .Silica, Agency of, in regard to.... 2,27 



— , Sphere of influence of 12 



— , Statement of the problem of 2 



— .Sublimation, Process of, in 19-20 



— , Surface and subsurface precipitates 



in 15 



— , A'ital 3, 4, 25-27 



Conditions of circulation at the sea 



mills of Cephalonia, by Jlyron L. 



Fuller 221-232 



Cone.maugh formation. Shales of the. . 157 



, Thickness and composition of 154-158 



.Variations in thickness of 44 



— red beds, Location of 43 



— sandstones. Character of 155 



Conglomerates, Paper on characteris- 

 tics of 613 



CoNNOQUESsiNG sandstone. Occurrence 



of 149 



Continental structure, A hypothesis 



of 390-393 



applied to North America, A the- 

 ory of 389-412 



, Effect of tangential pressure on . , 403 



, Hypothesis of, by Bailey Willis. . 624 



Continent, Difference in density of 



constituent elements in 403 



Controlling factors of artesian flows, 



bv Myron L. Fuller (abstract). 626-634 



Cook ' inlet, Alaska. Geologic map of 



region northeast of 327 



, Geology of 326 



region, Alaska, Analysis of fauna 



of 329 



flora in Tertiary rocks 



of 330 



fossils of 328 



Page 

 Cook inlet, Alaska, Analysis of shales 



and standstones of 328 



stratigraphic column 



of 331, 332 



, Character of Jurassic beds 



of 326-329 



, Conglomerate of the.. 329,330 



, Limestones of 330 



. Tertiarv rocks of 330. 331 



, Topography of 325-326 



. Stratigraphic s u c c e s sion 



northeast of 325-332 



, Intrusive igneous rocks of ... . 331 



Coon butte, Arizona, Location and 



character of 217 



, Origin of 493-504 



Cope, e. D., cited on fauna of the 



Pennsylvanian 168 



Quaternary fossils 215 



— , Santa Fe marls of the Rio Grande 



region described by 215 



Coral sea. Map showing changes of 



level in 248 



— seas, Crustal block movements 



within 248 



Cordiller.a, Agents of production of. . 406 

 — , Intrusi\e and extrusive rocks of . . . 409 

 Cordilleran region. Geology of 289 



— section. Election of officers of 656 



. Meeting of 656-670 



, Register of 670 



— system. Uinta mountains of 287 



CosTE, Eugene, elected Fellow 570 



CowRUN anticline. Occurrence of. 77, 90, 13G 

 Crandall, A. R., cited on calcareous 



conditions in Kentucky 148 



Crandall. Robert ; Cretaceous stratig- 

 raphy of the Santa Clara Valley 

 region (abstract) 601 



Cuater' lake, Oregon, Comparison with 



Afton craters of 217 



Crenella area. Location of 520-521 



Cretaceous beds of the Uinta range. 



Correlation of 440 



on the great plains of the Cor- 



dilleran region 289 



— , Continental structure during the. . . 393 



— , Folding in Rocky Mountain prov- 

 ince during the 406 



— ■ section established by Hay den 289 



Crocidolite-bearing rocks, Abstract of 



paper on 659 



Crocker, George C, Acknowledgments 



to 304 



Crosby, P. W., cited on the sea mills 



of Cephalonia 221, 223, 224 



— ; Figure showing conditions of ther- 

 mal circulation 225 



Crosby, W. 0., Acknowledgments to... 222 



— cited on character of clay at Boston. 535 



fossils in Boston harbor 510 



the sea mills of Cephalonia... 



221, 223, 224 

 • — ; Figure showing conditions of ther- 

 mal circulation 22.5 



— quoted on erosion of Boston clay . . . 536 

 — , Report on the Charles River dam 



made by 511 



Cross and Howe cited on rock streams 



of San .luan region, Colorado 431 



Cro.ss, Whitman, cited on formation 



of the Afton craters 219 



CRUSTACE.4.N favina. Paper on 6o4 



Cryptozoan, Paper on • • "04 



Crystallization, Artificial production 



of gneissic structures by 637 



— , Effect of conditions on .• 644 



Current methods of observing volcanic 



eruptions, by T. A. Jaggar, Junior. 613 



