INDEX TO VOLUME 13 



569 



Brooks, A. H.; Geological reconnaissances 



in southeastern Alaska 253-266 



— , Title of paper by 538 



— . Work of 108 



BROOKviLLECoal, Al legheny formation, Char- 

 acter and thickness of 220-221 



Brown, , Work of. 107 



Brunei-, Jacques, Fossils found by 97 



— , Parahyba explored by 56 



Brushy Mountain formation, Tennessee, 



Geologic place of 10, 13, 14 



Bryant, H. G., Photographs by, Catalog of.. 394 



Buckley, E. R., Work of. 106 



Buffalo sandstone, Conemaugh formation 

 of Maryland, Character, position, and 



thickness of. 224 



Bulletin, Distribution of 479 



— , Sales of. 480 



Burlamque, F. L. C, cited on fossils from 



Brazil 97 



geology of Parahyba 56 



limestone and chalk from Parahyba. 97 



Cabedello, Brazil, Elevations along Conde 



d'Eu railway, between Parahyba and 51 



, Sand plain at 52 



Calkra limestone, California, Character and 



thickness of. 545 



Calhoun, F. H. H., cited on relief of the 



Great Plains 310 



California, Geological formations in 545 



— , Geological section of Middle Coast 



Ranges of 544-545 



— , Geological work in 102, 108 



— , Photographs from, Catalog of 386-393 



Calkins, Frank G, Title of paper by 546 



Callaway limestone, Missouri, Correlation 



of 272 



, Thickness of. 272 



Calvin, Samuel, cited on Hamilton beds in 



Thedford region 159 



Lime Creek beds in Iowa 279 



— ■ Spirifer capax beds of Muscatine 281 



— , Photographs by, Catalog of 447 



— , Work of 106 



Cambrian period, Geologic formations of, in 



Tennessee, Table showing 11 



— rocks, Thickness of, in the Kamaloop 



district 265 



Cambridge limestones, Conemaugh forma- 

 tion of Maryland, Character, position, 



and thickness of 224 



Camden chert, Thickness of 12 



Campan formation, California, Character 



and thickness of 545 



Campbell, J. O., Acknowledgment to 5 



Campbell, M. R., cited on Coal Measures of 



the New and Kanawha rivers 120 



— , Work of 104-120 



Canada, Photographs from, Catalog of... 393-395 

 — , Rock basins of Helen mine, Michipi- 



coten 293-304 



Canada Geological Survey, Work of 101 



Canyons, Photographs of. "Catalog of. 449-451 



Capitol limestone, Tennessee, Occurrence 



and character of. 11, 12, 15 



Carboniferous formations, Table showing 

 sequence of, in Maryland and adjacent 

 states 232 



— beds (Lower), Thickness of, on Kanawha 



and New rivers 123-124 



— fossils from northern Alaska, List of. 243 



— period, Geologic formations of, in Ten- 



nessee, Table showing 10-11 



— rocks, Front ranges of the Rocky moun- 



tains, Character of 307 



, Alaska (southeastern), Occurrence 



of 258-259, 260 



— — , Indiana, Character and occurrence 



of 519-521 



Page 

 Carboniferous rocks, Montana, Character 



and occurrence of 316, 320, 324-325 



Carnegie Museum, Geologic work by.... 106, 107 



Case, Ermine Cowles, elected Fellow 487 



Catalog of photographs belonging to the 

 Geological Society of America ; N. H. 



Darton 377-474 



Cave interiors, Photographs of, Catalog of.. 452 

 Cedar mountain, South Dakota, Character 



of deposits on 31 



Cenozoic era in Tennessee, Geologic forma- 

 tions of, table of 10 



Central America, Photographs from, Cata- 

 log of 395 



Central Railway of Pemambuco, Brazil, 



Elevations along 76 



, Topography and geology along..77-85 



Ceratopora intermedia Nicholson, Descrip- 

 tion of 167 



— nobilis Nicholson, Description of 167 



Chairman of Cordilleran section, Election 



of 540 



Chamberlin, T. C, cited on junction of 

 Lake Superior sandstone and Kewee- 

 nawan traps 7 



— ; Distribution of the internal heat of the 



earth [abstract] 530-531 



— ; Has the rate of rotation of the earth 

 changed appreciably during geological 



history [abstract] 531 



— , Work of 109 



Chapin, F. H., Photographs by, Catalog of... 400 



Chase, Charles A., Acknowledgment to 5 



Chazy formation in Canada, Character and 



position of. 518 



Chemung formation, Iowa equivalents of..279-282 

 Chert and flint, Photographs of, Catalog of. 452 



Cheyenne lake, Drainage of. 29, 30 



Cheyenne river, Beheading of streams by...31-32 



■, Pleistocene ice in valley of. 37 



, Pliocene gradient of 35 



, Terraces along 35 



Chico formation, California, Character and 



thickness of. 545 



Chief mountain, Views of 330, 331, 334 



" Chilhowee," Propriety of name 12 



Chilhowee sandstones, Age and character 



of. 11, 12 



China, Erosive agencies in 128, 129 



— , Origin and distribution of loess in 127-138 



Chitistone limestones, Alaska, Correlation 



of 264 



Chouteau fauna, Mississippi valley, Charac- 

 ter of 274-279 



— limestone, Missouri, Thickness of. 273 



Cimolichthys n. sp., Description of by S. W. 



Williston 44-45 



Cincinnati anticline, Age of, Bearing of 

 Clinton and Osgood formations on.. ..531-532 



Claiborne, Md., Record of well at 211 



Clarion coal, Allegheny formation of Mary- 

 land, Character, position, and thickness 

 of 221 



— sandstone, Allegheny formation of Mary- 



land, Character, position and thickness 



of 221 



Clark, W. B., Work of 110 



— , and Bibbins, A. ; Geology of the Potomac 



group in the middle Atlantic slope .. 187-214 



, Title of paper by 521 



— , and Martin, G. C. ; Correlation of the 



Coal Measures of Maryland 215-232 



, Title of paper by 521 



Clark, W. Blair, Acknowledgments to 363 



Clarke, J. M., cited on fauna at the base of 



the Chemung 279 



Leiorhyncus laura 169 



— ; Origin of the limestone faunas of the 



Marcellus shales of New York [abstract] 535 



— , Record of remarks by 518, 532 



— , Work of 104, 110 



