854 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Briones formation of middle Califor- 

 nia 189 



Brown, B., and Marjorie O'Connell ; 

 Correlation of the Jurassic forma- 

 tions of western Cuba 159, 639 



Brown, T. C. ; Flooding of oil wells by- 

 fresh water 151 



— ; Preliminary notes on the shorelines 

 of glacial lake Nashua, near Fitch- 

 burg, Massachusetts 118 



Buried granite in Kansas ; R. C. Moore 96 



Burling, L. D. ; Cambro-Ordovician sec- 

 tion near Mount Robson, western 

 Canada 108 



Burrard, Sir Sidney ; Folding of moun- 

 tain ranges — the argument from 

 isostasy 114, 333 



Ceruleofibrite, a new mineral ; E. T. 



Holden 229 



California, Briones formation of mid- 

 dle 189 



— , Differential movements in San Fran- 

 cisco Bay region of 189 



— , Marine Tertiary of 188 



— , Silicates from Crestmore 230 



— , Tertiary mammalian remains from 



near Alturas 188 



- — , Tridymite-orthoclase rock from Im- 

 perial County 129 



Cambrian, Life eras before the 107 



— of Massachusetts, Oldhamia in 198 



— succession of northwestern Vermont ; 



A. Keith 123 



Ca.mbro-Ordovician section near Mount 

 Robson, western Canada ; L. D. 

 Burling 108 



Camden formation of Oklahoma 665 



Canada, Alnoitic rocks from Isle Ca- 



dieux, Quebec 130 



— , Cambro-Ordovician section in west- 

 ern Canada 108 



— , Devonian limestone at Saint George, 



Quebec 201 



Canadian Rockies, Relation of Purcell 



Range to 91 



CANID2E, Phylogeny of the 214 



Care of museum specimens ; A. L. Par- 

 sons 230 



Cavern deposits in the Permian of 



Texas 153 



Caves of the lower Ohio Valley reposi- 

 tories of mammalian and human 

 remains 156 



Central America, Basaltic lava from. 143 



Cephalopods and trilobites, Possible 



habits of 197 



Certain marked differential movements 

 in the San Francisco Bay region ; 

 G. D. Louderback 189 



Chadwick, G. II.; Constitution of the 



Obio black shales 152 



Ciianey. R, W. ; Flora of tbe Payette 



formation 203 



Rancho la Brea 204 



Chester formation, Facts bearing on 



correlation of 208 



— formations, New facts bearing on 



correlations of 805 



Chile, Braden mine in 224 



China. Antimony mines of Shin Chow. 149 



— , Kaiping coal basin of 201 



— , Ordovicic formations of north 202 



Cincinnatian rocks of central Tennes- 

 see 207 



Clark, B. L. ; Correlation and paleo- 

 geography of the marine Tertiary 



of California 18S 



Page 

 Clark, T. H. ; Devonian limestone at 



Saint George, Quebec 201 



— ; Nature of SaltereUa 196 



Cleland, H. F. ; Demonstration ma- 

 terial in geology 56 



— ; Report of Committee on Teaching 



of Geology 55 



Coal formation and isostasy 327 



— Measures of the Appalachian Ill 



Coals, Origin of 148 



Cobalt, New aspects of geology at ... . 189 

 Collophane, a much-neglected mineral ; 



A. F. Rogers 189 



Colorado, Ore deposits of Leadville 149, 225 



— ■ River, Geology of 122 



Committee on Policy, Report of the 



Council 136 



the Teaching of Geology, Election 



of 15 



— • , Report of 55 



Comparative study of the Nebraskan 



and Kansan tills in Iowa ; G. F. 



Kay 115 



Condition of magnesite in 1920 ; R. W. 



Stone 220 



the earth's crust and the earlier 



American gravity determinations ; 



G. R. Putnam 113, 287 



Connecticut basin during the Newark 



epoch 87 



— , Geology of the Guilford Quadrangle 147 



— Valley fossils 209 



Constitution and By-laws 162 



— of the Ohio black shales ; G. H. Chad- 



wick 152 



Cook, H. J. ; Tooth of almost human 

 type from the Lower Pliocene 

 Snake Creek beds of western Ne- 

 braska 214 



Cook, J. H. ; Ablation of the eastern 



lobe of the Wisconsin ice-sheet. . . . 117 



Coral seas. Marginal belts of the 140 



Corals, Unattached simple Paleozoic. . 201 

 Cordilleran Section, Election of offi- 

 cers of 188 



, Twentieth Annual Meeting of the 187 



Correlation and paleogeography of the 

 marine Tertiary of California ; B. 

 L. Clark 188 



— of the Jurassic formations of west- 



ern Cuba ; B. Brown and Marjorie 



O'Connell 159, 639 



Correspondent, Election of 13 



Corrugated intraformational rocks.... 98 



Costa Rica, Geology of 90 



Coteau des Prairies, Glacial forma- 

 tions on the 101 



Council Report 6 



Crocidolite from eastern Pennsylva- 

 nia ; E. T. Wherry and E. V. Shan- 

 non 229 



Crosby, I. B. ; Former courses of the 



Androscoggin River 121 



Crystallography of three Rhode Island 



minerals ; A. C. Hawkins 229 



— , Use of plans and elevations in teach- 

 ing 229 



Crystal symmetry, A study of 229 



Cuba. Correlation of Jurassic forma- 

 tions of western 159, 639 



Cummingtonite schists of the Black 



Hills 225 



Cushing. H. P., Bibliography of 52 



— ■, Memorial of 44 



Cushman, J. A. ; Limits of variations 



in foraminifera 206 



— ; Use of foraminifera in determining 



underground structure, especially 



in petroleum mining 145 



