624 



BULLETIN OP THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Glacial deposits in Seneca and Cayuga 



Lake valleys, Study of 215-218 



— drift, Evidence of, as to glacial ero- 



sion 22-23 



— erosion, arguments against, Sum- 



mary of 25-31 



-, arguments for, Summary of... 18-19 



, Fallacy of theory of 13-74 



Glaciation in Seneca and Cayuga Lake 



valleys, Study of 215-218 



Glaciers, Action of, compared to that 



of rivers 21 



Glass, Devitrified, in diabase, Figure 



showing 129 



— spherulites, Figures showing 128 



GLASS-Iined cavity in diabase, Figure 



showing 129 



Gletschermilch, Implications of, as to 



eroding power of glaciers 21-22 



Glossocarpelites, Description of 510 



— elongatus, Description of 511 



, Figure of 516 



— obtusus, Description of 511 



, Figure of 516 



— parvus, Description of 510 



, Figure of 515 



Goodale, G. L., Acknowledgments to . . . 506 

 Goodchild, J. G., cited on glacial ero- 

 sion 33 



Goodrich quarry, Auburn, New York, 

 Onondaga limestone exposed at, 



View showing 64 



Gould, Charles N m elected Fellow.... 540 

 Governors island, New York, rocks be- 

 neath 174 



Grabau, A W., cited on erosional his- 

 tory of central New York 56 



— , Record of remarks by 562, 582 



— ; Relative ages of the Oneida and 

 Shawangunk conglomerates [ab- 

 stract] 582 



— , Title of paper by 582 



Grand canyon, San Gabriel mountains, 



granodiorite from, Character of . . . 192 

 Grand river, Colorado, Red beds on . ... 475, 



488, 490 

 Grand Terre island, Geologic history 



of 268, 269 



, Map of 267 



, Physiography of 267-268 



, Views on 269 



Grand Traverse region, Michigan, 



Drumlins in 577 



Granite-gneiss of Piedmont Pennsyl- 

 vania, Character of 309-311 



— , Distribution of 308-309 



— , exposures of, Views 



showing 309, 310 



Granites, Compressibility and plastic 



deformation of, Experiments on 564-565 

 Granodiorite, Analysis of.... 193, 195. 196 



— from San Gabriel mountains, Char- 



acter of 191-197 



Grata cap, L. P., cited on bed of Hud- 

 son river 154 



■ — origin of course of Spuyten 



Duyvil creek 157 



Gray Cliff sandstones of Utah, Distribu- 

 tion of 483 



Green river, Colorado, Mesozoic forma- 

 tions of 487-488 



Greenland, Glacial erosion in 34-35 



Greenspring valley, Maryland, Cockeys- 



ville marble in 357-358 



Grenada, Island of, Geologic features 



of 269 



Grewingk, C, cited on Alaskan geol- 

 ogy 391, 398 



Grimsel pass and Todtensee, View of . . 32 



— lake, Glaciated cliff near, Views of.. 32 



Page 

 Grimsley, G. P., Chemical analyses by. 310 



Grindelwald glaciers, View of 32 



Guadeloupe, Geologic features of 267, 



268, 269 



— , Map of 267 



— , Physiography of 267-268 



— , Views on 268, 269, 270 



Gulliver, F. P., Title of paper by 587 



Gunnison group, Age of 496 



, Features of 469 



, Subdivisions of 469 



. See also La Plata formation and 



McElmo formation. 



Hampshire formation of Virginia and 

 West Virginia, Paleontology and 

 geologic correlation of . . . . 140, 141-145 

 Hanging valleys, Definition of term. . 75-76 



, Diastrophic, Examples of 78 



, Glacier-formed, Features and ex- 

 amples of . 78-81 



; I. C. Russell 75-90 



, Implications of, as to glacial ero- 

 sion 25, 29-30 



, Occurrence of, in Watkins Glen 



quadrangle, New York 230-233 



, Ocean formed, Features and ex- 

 amples of 78 



, Origin of 82-83, 87-88 



—.Stream formed, Examples of.... 77 



Hansen, Andr. M., cited on glacial ero- 

 sion 33 



Harlem river, New York, Origin of 



channel of 179-180, 181 



, Rocks beneath 158-164 



, Sections across 157, 



158, 159, 160, 161, 162. 163, 104, 165 



, Figure showing 158 



Harris, Gilbert D., enrolled as life 



member 535 



Hartnagel, C. A. ; Note on the Ontaric 

 or Siluric section of eastern New 



York [abstract] 582 



Hartt, C. P., Paper by, on stone reefs 



of Brazil, Reference to 12 



Haslethal, Glacial erosion in 32 



Hatcher, John B., List of papers 



by 553-555 



— , Memoir of, by W. B. Scott 548-555 



Hawes, G. W., Analysis of diabase by. 113 

 Hawkshaw, J. C, Paper by, on stone 



reefs of Brazil, Reference to 12 



Hawn brothers, Red beds of Colorado 



observed by 449 



Ha worth, Erasmus ; Nitrogen of gas 



well at Dexter, Kansas [abstract] . 572 

 Hayden Survey, Colorado sedimentary 



beds mapped by 474 



, Explorations of Red beds of 



southwestern Colorado by 449-450 



— ■ — , Observations of members of, in 



eastern Uinta mountains 487 



, Stratigraphic breaks in Rocky 



Mountain province noted by 488 



— — , Work of, in Red beds of Front 



range of Rocky mountains 490 



Headwater erosion, Lowering of divides 



by, in western New York 239-240 



Hector Falls creek, New York, Profile 



of 232 



Heilprin, Angelo, cited on carbon diox- 

 ide in lava of Mont Pele 252 



glacial erosion 34 



— - — • — Mont Pele and Martinique. . . . 259 



the tower of Pele 567 



— ; Memoir of Charles Schaeffer 561 



— , Record of remarks by 571 



— , Study of West Indian volcanoes by. 244 

 Heim, A., cited on glacial erosion. . . 21, 33 



