AMERICAN GEOLOGY INDEX. 



719 



Page. 

 Chittenden, George M., assistant, Hayden 



survey 599 



Christy, David, geological observations — 397 

 Church, John A., geologist, Wheeler sur- 

 vey 616 



sketch Of 692 



Cincinnati uplift, age of 542 



views of Edward Orton.. 546 

 Claypole, Edward W., assistant, survey of 



Pennsylvania 582 



sketch of 692 



Cleaveland, Parker, fossils found by 222 



sketch of 226,692 



Treatise i >n M inerali >gy . 225 

 views on inclination of 



strata 389 



Cliff limestone 353 



Climatic changes, by J. D. Whitney 579 



Coal in California, views of Trask 137 



formation of, by H. D. Rogers 372 



iron pipe f< mud in 249 



Manual of, by Peter Lesley 461 



of North Carolina, age of 430 



origin of, .). D. Dana 426 



J. W. Dawson 447. 576 



Abraham Gesner 338 



C. T. Jackson 360 



H. D. Rogers 492 



J. Van Rensselaer 279 



peril id. atmosphere of 390 



supposed occurrence near Phippsburg, 



Me 347 



(nasi Range, age of, views of J. 1). Whitney. 515 



Collett, John, assistant, survey of Indiana . 548 



sketch of 692 



Colorado, Ives' expedition up 177 



origin of canyon of 477 



Powell's exploration of Canyon i >f "i6t; 



work of F. V. Hayden 592 



Concretionary structure, origin of 392 



Concretions, origin of, Edw. Hitchcock 315 



Conkling, Alfred R., geologist, Wheeler 



survey 616 



sketch of 693 



Connecticut, geological and mineralogical 



survey of 329 



Connecticut River, geology of, E. Hitch- 

 cock 268 



Connecticut sandstone, age of 309 



Connecticut valley, fossil footprints 625 



intrusive trap of 389 



Conrad, Timothy A., distribution of the Eo- 

 cene 320 



ideas on drift 357 



Medial Tertiary of 



North America 396 



sketch of 355, 693 



Tertiary of North 



America 306 



views on evi ilution . . . 355 

 expansion of 

 rocks by 

 crystalliza- 

 tion 397 



work in Florida 368 



Page. 



Conrad, Timothy A., work on the Tertiary 



fossils ! 364 



Consequent valleys, term first used 566 



< 'on tract ion of earth, results of 399 



Cook, George H., assistant to William 



Kitchell 460 



sketch of 524, 693 



survey of New Jersey. 523 

 views on subsidence 



of coast 524 



Cooper, Thomas, sketch of 261, 693 



views concerning volca- 

 noes 261 



Cope, Edward D., paleontologist, Wheeler 



survey 616 



sketch of 693 



views on lignitic group. 650 

 work on geological sur- 

 vey of Indiana 548 



work with Hayden sur- 

 veys 594,598 



Copper and silver ores of Lake Superior, 



origin of 418 



deposits of Lake Superior, value of, 



W.H.Keating 276 



views of H. R. Schoolcraft. 243 



i native), finding of large boulder. . 244 



origin of, views of T. C. Chamberlin. 572 

 Raphael Pum- 



pelly 538 



Coral growth, views of Couthouy and Dana. 373 



Joseph Le Conte 464 



islands, views of J. D. Dana 423 



Cordilleras, Clarence King's use of word... 610 

 Cornelius, Elias, on origin of Natural 



Bridge 224 



sketch of . ." 693 



Cotting, John R., geological work in Georgia 335 



sketch of 693 



views as to value of fossils 336 

 Coulter, John M,, assistant, survey of Indi- 

 ana 548 



botanist, Hayden survey. 596 



Couthouy, Joseph P., sketch of 693 



viewson coral growth. 373 

 Cox, Edward T., assistant to D. D. Owen. . . 443 

 assistant, survey of Illi- 

 nois 496 



sketch of 694 



views on glacial period . . 548 



work in Indiana 548 



Cozzens, Issachar, geology of New York Is- 

 land 385 



sketch of 694 



Crandall, A. R., assistant, survey of Ken- 

 tuck y 565 



Crystallization of rocks, by T. A. Conrad. . . 397 

 Currey, R. 0., sketch of geology of Tennes- 

 see 458 



Currier, A. O., assistant, survey of Michigan 536 



Curtis, Josiah, naturalist, Hayden survey.. 596 



Cuvier and Brongniant, map of Paris 217 



Cuvier's theory of the earth 226, 230 



Dale, Thomas N., sketch of 694 



