442 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Certain aspects of glacial erosion in 



Alaska ; W. O. Crosby 132 



— diverse interpretations of Pleistocene 



in the Dakotas ; J. E. Todd 134 



Chadwick, G, H. ; Large fault in west- 

 ern New York 117 



Chaney, R. W. ; Fvirther discussion of 

 the ecological composition of the 

 Eagle Creek flora ; 222 



Changes of level in northern Manitoba 131 



Chemical researches in the investiga- 

 tion of sediments; H. B. Merwin. . 123 



in sediments ; H. E. Merwin 419 



Clarendon-Linden fault area 119 



Clark, B. L. ; Discussion of thrust move- 

 ment by 193 



— ; Stratigraphic and faunal relations 

 of the Meganos group (Middle Eo- 

 cene) , California 192, 232 



Clark, C. W. ; Occurrence of the ore 

 deposits of the Santa Fe district, 

 Mineral County, Nevada 190 



Clarke, J. D. ; ROle of colloidal migra- 

 tion in ore deposits 180 



Clarke, J. M., and W. D. Matthew ; 

 Supposed fossil horse from the late 

 Pleistocene found at Monroe, Orange 

 County, New York 204 



— ; Recent restorations of fossil inver- 

 tebrates by ^ 204 



Cleland, H. F. ; The gfeneral teaching 



problem of paleontology 150, 213 



; The teaching of historical geol- 

 ogy 375 



Clift islands in the coral seas ; W. M. 



Davis 151 



Climatic zones in California 185 



Coast ranges of California, Structure 



of the 193 



Coleman, A. P. ; Extent and thickness 



of the Labrador ice-sheet.... 128,319 



Color Scheme Committee, Appointment 



of 188 



Colorado. Flow breccias in 182 



— Front Range, Geology of the 182 



— , Pawnee Creek beds of 224 



Columbia River in the Big Bend coun- 

 try. Glacial history of 131 



Committee, Appointment of Color 



Scheme 188 



Conditions at Vesuvius in 1919 ; H. S. 



Washington 158 



Constitution of the earth's interior ; 



L. H. Adams Ill 



Contact-metamorphic deposit at the 

 Mountain Lake mine near Salt Lake 

 City, Utah ; A. F. Rogers 162 



Contact metamorphism. Formation of 



minerals by 162 



Continental tilt 114 



Cooke, C. W. ; Geological reconnais- 

 sance of the Dominican Republic. . 139 



— ; Geologic reconnaissance in Santo 



Domingo 217 



— ; Stratigraphic significance of Or- 



thaulax 206 



Copper ores, Changes in mineral com- 

 position of 180 



Coral seas, Clift islands in the 151 



CoQuiNA at Loggerhead Key, Tortugas. 215 



Correlation of the Cenozoic forma- 

 tions of the Great Basin ; J. C. 

 Merriam 133 



— Middle Cambrian of Newfound- 

 land and Great Britain ; B. F. 

 Howell 214 



Council, Report of the 5 



Paleontological Society 199 



Crosby, W. O. ; Certain aspects of gla- 

 cial erosion in Alaska 132 



Page 



Cuba, Jurassic of 136 



CuLEBRA, Stratigraphy of 216 



Cumberland Falls, Kentucky, meteor- 

 ite ; G. P. Merrill 160 



; A. M. Miller 159 



CusHMAN, J. A. ; Foraminiferal fauna 



of the Byram marl 215 



— ; Value of foraminifera in strati- 

 graphic correlation 205 



Dakotas, Pleistocene of the 134 



Daly, R. A. ; Oscillations of level in the 

 belts peripheral to the Pleistocene 

 ice-caps Ill, 303 



— ; Recent world-wide sinking of ocean 



level 112 



Darton, N. H. ; Structure of some moun- 

 tains in New Mexico 116 



Davis, E. F. ; Breccias of the Mariposa 

 formation in the vicinity of Colfax, 

 California 190 



— ; Radiolarian cherts of the Francis- 

 can group, California 190 



Davis, W. M. ; Clift islands in the coral 



seas 151 



— ■ ; Framework of the earth 110 



Day, a. L. ; Memorial of George Ferdi- 

 nand Becker 14 



Deep drilling in the Appalachian oil 



and gas fields 157 



Deussen, a. ; Pisolites at San Antonio, 



Texas 182 



Desert, Epigene profiles of the 178 



— sand-blast. Limit of vertical range of 181 



Diagenesis in sedimentation ; C. Schu- 



chert 123, 425 



Diastrophism of the Pacific coast ; 



R. S. Holway 181 



western Newfoundland 116 



DiCKERSON, R. E. ; Some indications of 

 climatic zones in California during 

 Lower Eocene time 185 



Differentiation by deformation ; N. L. 



Bowen 139 



DiLLER, .7. S. ; Notes on Mount Lassen 



eruptions 182 



DiscoiDAL structure of the lithosphere ; 



B. Willis 110, 247 



Dispersion of stones in the drift, in 



New Hampshire; J. W. Goldthwait 130 



Dominican Republic, Geological recon- 

 naissance in 139 



Drift in New Hampshire, Dispersion of 



stones in 130 



Drift-sheets in Iowa 132 



Drumlins at Lake Placid; W. Upham. 128 



Dunbar, C. O., and Charles Schu- 

 chert ; Stratigraphy and diastro- 

 phism of western Newfoundland. . 116 



DuMBLE, E. T. ; The problem of the 



Texas Tertiary sands 182 



Eagle Creek flora. Ecological composi- 

 tion of the 222 



Eakle, a. S. ; New and rare minerals 

 formed in limestone by contact 



metamorphism 162 



Earth, Constitution of interior of the. Ill 



— , Framework of , the 110 



— , Radius of molar repose of the Ill 



• — ■ sciences as the background of history ; 

 Presidential address by J. C. Mer- 

 riam 233 



Earth-'s radius of molar repose ; C, R. 



Keyes Ill 



Echinoderms of the Iowa Devonian ; 



A. O. Thomas 211 



Editor^s report 10 



Election of Auditing Committee 11 



Fellows .,,,,,., 12 



