INDEX TO VOLUME 11 



641 



rage 



Continents, Shifting of southern 75 



Cook, G. H., quoted on the Oriskany in New 



Jersey 310 



Cope, E. L)., cited on vertebrate footprints... 453 

 Coppek, Occurrence of, in pyrite deposits... 198, 



199 



— ore, Analyses of 186, 196 



, Alterations of 191 



, Secondary derivation of 195 



Coral reef of Oahu, Character of. 29 



Cordilleran section authorized by Council.. 587 



, Executive committee of 609 



, Organization of. 587 



, Proceedings of 609 



, Register of 616 



Council, Report of 512 



Coupland, P. N., Analysis by 351 



Craigin, F. W., Goat-antelope from the cave 



fauna of Pike's Peak region 610 



Cretaceous beds at Gay Head, Relation be- 

 tween Pleistocene and 457 



— and Tertiary beds, Wichita mountains, 



Occurrence of. 141 



Crosby, W. O , cited on acid volcanics 118 



pre-Cambrian geology of Black hills. 581 



geology of Neponset valley, Massa- 

 chusetts 115 



Cross, Whitman, cited on laccoliths 407 



— , Discussion by, on continental deposits 

 of the Rocky Mountain region 603 



— ; Landslides of the Rico mountains, Cali- 



fornia [abstract] 583 



— , and W. P. Hillebrand cited on zeolites 



of Golden, Colorado 461 



Crook, A. R., Commuting of dues by 515 



— ; Memoir of Oliver Marey 537 



Cummings, W. F., Work of, in Wichita Moun- 

 tain region 128 



Curtice, Cooper, Fossils collected by 323 



Curtis, G. C, and G. O. Smith ; Camas- 



land : a vallej r remnant 217 



, Title of paper by 580 



Cushing, H. P. ; Accessions to Library from 



March, 1899, to June, 1900 617 



— elected Librarian 520 



— , Librarian's report by 519 



Cyathophyllum hydrauticum Simpson, De- 

 scription of 364 



, Figures of 374 



Dakyns and Teall cited on differentiation 

 of magmas 407 



Dall, W. H., cited on age of fossil shells 

 from Fiji islands 32 



Miocene age of the osseous con- 

 glomerate 459 



— ; Notes on the Tertiary geology of ' >ahu.. 57 

 Dana, E. S., cited on basaltic rocks of 



Hawaii 52 



Dana, J. D., cited on geology of Oahu 16, 25 



fresh water in ocean near Hawaiian 



islands 26 



the Lower Helderberg 242 



principles of geomorphy 22 



valley glaciers of New England 439 



— quoted on Helderbergian areas 274 



Darton, N. H., Jurassic fishes collected by. 387 



— , on photograph committee 587 



— , Photographs by 585 



— , Record of remarks by 580, 595 



— , Titles of papers by 595 



Darwin, G..H., cited on age of the earth 85 



change in position of the pole 83 



formation of intercontinental zone.. 86 



south polar continent 70 



Davis, W M. ; Continental deposits of the 



Rocky Mountain region 596 



— , Discussion by, on the Cincinnati arch 605 



continental deposits of the Rocky 



Mountain region 603 



Davis, W. M., Discussion by, on glacial ero- 

 sion 590 



— ; Fault scarp in the Lepini mountains, 



Italy , 207 



— , Record of remarks by 584, 594, 595 



— , Titles of papers by 580 ( 584 



Dawson, George M., elected president 519 



Dawson, Sir J. William, Bibliography of.... 557 



— , cited on the Arisaig rocks 342 



— , quoted on Oriskany formation in Nova 



Scotia 330, 331 



— , Memoir of 550 



De la Beche, Henry, cited on the Devonian. 253 

 De Lappare,nt, A., cited on classification of 



Silurian faunas 266 



the tetrahedral earth 72 



— , Paleographical map by 69 



De Launay, L., cited on ore deposits 182 



secondary enrichment of copper 



veins 197 



— , quoted on secondary enrichment of cop- 

 per veins 198 



— silver veins 200 



Derby, O. A., cited on jacupirangite 401 



Devonian formations, Table of European 

 and American 297 



— rocks, Boundary in North America be- 



tween Silurian and 333 



, Contact in Erie county, New York, be- 

 tween Silurian and 347 



, Type locality of 253 



— system, Lower limit of. 334 



Devonic, Lower. See Lower Devonic. 

 Diamond Head crater near Honolulu, Oahu, 



Description of 43 



Differentiation of magmas, Causes of. 408 



Dike rocks, Magnet Cove, Analyses of 406 



Dikes, Magnet Cove, Occurrence and char- 

 acter of 404 



Dittrich, M., Rock analysis by 412 



Doelter, C, cited on ore deposits 187, 188 



Donald, J. T., cited on fossils from Saint 



Helens island 331 



DorIs conglomerate, Ontario, Extent and 



character of 109 



Douglas, James, cited on oxidized ores of 



copper 197 



spring water in copper mine 186 



— , quoted on occurrence of native copper.. 190 

 Downtownian formation, Characteristic 



rocks and fossils of. 248 



, Upper Silurian age of. 248 



Drake, N. F., Commuting of dues by 515 



Du Ligondes, , cited on the tetrahedral 



earth ,„-.« 72 



Dumble, E. T., Record of remarks by 10 



— , Title of paper by 606 



— ; Triassic coal and coke of Sonora, Mex- 

 ico 10 



Dutton, C. E., cited on causes of crustal 



folding 83, 84 



geology of Oahu 16 



origin of Oahu 22 



Tertiary lakes of Rocky Mountain 



region... 597 



Eagle coal, Kanawha series, Fossil plants 



of 161 



Eakle, Arthur Starr, elected Fellow 520 



Earth's axis, Changes in position of 81 



— crust, Effects of tidal stresses in 80 



Eastman, C. R., cited on Pholidophorus amer- 



icanus...- 386 



Eaton, Amos, Oriskany formation discov- 

 ered by 300 



Editor, Increase of allowance to 593 



— , Report of 517 



Election of Fellows 1, 520 



officers 519 



Eleolite- garnet-syenite, Analyses of.... 399, 400 



