570 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Clarke, J. M., and Luther, D.D., cited on En- 



crinal limestone in the Genesee valley... 165 

 — , and Wood, Elvira, cited on Hamilton 



fauna in New York 163 



Clarksburg limestone, Conemaugh forma- 

 tion, Character and occurrence of 226 



— ■ — , Fossil contents of 226 



Classification of the geological formations 



of Tennessee ; James M. Safford 10-14 



Clastic feldspar, Regeneration of. 522-525 



Claypole, Edward Waller, Bibliography 



of. 491-497 



— , Death of, reported 479 



— , Memoir of, by Theo. B. Comstock.... 487-497 



— , Resolution deploring death of 546 



Clements, J. Morgan, Acknowledgments 



to H53, 363 



— , cited on ancient volcanic rocks of the 



Lake Superior region 370 



chlorite in the basic volcanics of the 



Hemlock formation, lake Superior 362 



greenstones of the Hemlock forma- 

 tion 372 



greenstone-schists of Alabama 370 



Crystal Falls district 372 



igneous rocks from the Lake Su- 

 perior region... 368 



sheaf-like arrangement of feldspars 



in volcanic rocks of the Hemlock forma- 

 tion, lake Superior 361 



— , quoted on thin sections of Virginia-North 



Carolina copper rocks 363 



— , Work of 106 



Clemetson, Frank, Acknowledgment to 66 



Clergue, Messrs, Acknowledgment to 304 



Cleveland, Mount, View of spur of. 323 



Clifton limestone in Tennessee geology, 



Use of term 531 



Clinton formation, Bearing of, on age of 



Cincinnati anticline 531-532 



Coal from Wyoming, Analyses of. 544 



Coal fields of southern Uinta county, Wyo- 

 ming; Wilbur C. Knight 542-544 



Coal Measures, Maryland, Columnar sec- 

 tions of 219, 221, 223, 226, 230 



, Correlation of. 215-232 



, Formations of 217 



, Geographic distribution of. 217-218 



, Map showing distribution of. 215 



-, Tennessee, Subdivisions of. 10, 13 



Coast range, Alaska, Character and extent 



of . 255 



, Lithologic types in 256-258 



— , Mesozoic sediments of.... 260 



, Paleozoic sediments of 260 



granite, Alaska, Age, character and 



extent of 256,260 



Coast ranges (Middle) of California, Geo- 

 logical section of 544-545 



Coke, natural, Photographs of, Catalog 



of 465 



Coleman, A. P., Record of remarks by.. 528, 538 

 — ; Rock basins of Helen mine, Michipi- 



coten, Canada 293-304 



— , Title of paper by 528 



Collie, G. L., cited on thickness of Lake 



Superior sandstone 9 



Collier, A. J., Work of 108 



Collins, Arthur, Acknowledgment to 5 



Colorado, Geological excursion in, Account 



of, by C. R. Van Hise 2-5 



work in 102,107,108 



— , Photographs from. Catalog of....- 395-400 



Colorado canyon, Walls of 528 



Columnar sections, Coal Measures of Mary- 

 land 219, 221, 223, 226, 230 



— structure, Photographs of, Catalog of .• 452 



Colville province, northern Alaska, Topo- 

 graphic character of 236-237 



— series, Alaska, Fossils of. 249 



, Occurrence and character of. 248-249 



Page 

 Comstock, Theo. B.; Memoir of Edward 



Waller Claypole 487-497 



Concretions, Photographs of, Catalog of.. 452-453 

 Conde d'Eu railway, Brazil, Elevations 



along 51 



, Geological section on 52 



, Rock exposures along 51-57 



Conemaugh formation (Maryland), Ames or 



Crinoidal limestone of 225 



, Bakerstown coal of 225 



, Buffalo sandstone of 224 



, Cambridge limestones of. 224 



, Clarksburg limestone of 226 



, Columnar sections of 223 



, Composition and relations of. 223 



, Connellsville sandstone of 226 



, Crinoidal coke of. 225 



, Elklick coal of. 225-226 



, Franklin or Little Clarksburg coal of.. 226 



, Little Pittsburg coal of. 226 



, Lower Mahoning sandstone of 223 



, Lower Pittsburg limestone of 226 



, Mahoning coal of. 223 



limestone of. 223 



sandstones of. , 223-224 



, Masontown coal of 224 



, Morgantown sandstone of 226 



— — , Red shales of. 224 



, Saltsburg sandstone of 225 



, Thickness of 224 



Conglomerates, Photographs of, Catalog of.. 452 

 — , Interformational, Photographs of, Cata- 

 log of 462 



Connecticut, Drainage in, Character of 17-19 



— , Geologic work in....- 103-104 



— , Photographs from, Catalog of. 400-401 



— Still rivers of 17-26 



Connecticut valley, Conglomerates of the 



Newark system in 145 



, Sketch map of southern part of New- 

 ark area of 143 



, Width of Newark trough of 139 



Connellsville sandstone, Maryland, Char- 

 acter and occurrence of. 226 



Connoquenessing sandstone, Maryland, 



Character and correlation of. 219 



Continho, , Fossils found by 97 



Cook, G. H., cited on taxonomy of the Poto- 

 mac group 190 



Copper-bearing rocks of Virgilina copper 

 district, Virginia and North Carolina; 



Thomas Leonard Watson 353-376 



" Cordilleran," Pronunciation of 527 



CordilleRan Section, Election of officers of. 540 



, Executive committee of 540 



, Proceedings of... 539-546 



, Register of 546 



, Rules of government of. 478 



Correlation of the Coal Measures of Mary- 

 land ; W. H. Clark and G. C. Martin.. 215-232 



Corwin series, Alaska, Age of. 244-245 



— , Character and occurrence of. 244 



, Fossils of. 245 



, Structure of. 244 



Council, Report of. 477-478 



Councillors, Election of 487 



Crabs, Fossil, from Brazil, Description of.. 43-44 



Cragin, F. W., Work of. 107 



Cretaceous fossils, Alaska, northern, List of. 248 



, Montana, Occurrence and character 



ot 326-327 



— period, Geologic formations of, in Tennes- 



see, Table showing 10 



— rocks, Alaska, northern, Occurrence and 



character of 245-248 



southeastern, Occurrence of. 260 



, Montana, Occurrence and character 



of 307, 315, 326-327 



Crinoidal coal, Conemaugh formation of 

 Maryland, Character, position and thick- 

 ness of ...» 225 



