444 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Great Basin, Cenozoic formations of 



the 133 



, Scarp-producing faults of the. 127, 195 



Great Britain, Middle Cambrian of . . . 214 

 Gregory, H. E. ; Physiography and gen- 

 eral geology 150 



— ; Sculpturing of rock by winds in the 



Colorado Plateau province 179 



- — ; Some physiographic features of bol- 



sons 179 



— ; Teaching of geology as related to 



research 357 



Gregory, W. K. ; Mounted skeleton of 



Moschops capensis Broom 223 



Ground sloth group 194 



, Cenozoic history of the 232 



Ground-water supplies, Methods of es- 

 timating 156 



Gulf Coastal Plain, Shifts of land and 



sea-level in 113 



Halway, R. S. ; Diastrophism of the 



Pacific coast 181 



IIamada of the Libyan desert, Basins 



within the 181 



Ha WORTH, E., Discussion of wind sculp- 

 turing by 179 



Hayes, A. O. ; Carboniferous salt and 



potash of eastern Canada 153 



Heart Mountain overthrust, near Cody, 



Wyoming; D. P. Hewett 122 



Helderberg in Virginia 137 



Hewett, D. F. ; Heart Mountain over- 

 thrust, near Cody, Wyoming 122 



Historical geology as a factor condi- 

 tioning research 339 



, The teaching of 375 



Hitchcock, C. H., Bibliography of . . . . 70 



, Memorial of 64 



HoBBS, W. H. ; Calcination volcanoes.. 115 

 — , Discussion of underthrust and over- 

 thrust by 115 



• — ; Extremes of mountain-glacier ero- 

 sion 130 



— ; Michigan meteor of November 26, 



1919 148 



— ; Origin of the basins within the Ha- 



mada of the Libyan desert 181 



— ; The limited effective vertical range 

 of the desert sand-blast, based on 

 observations made in the Libyan 

 desert and in the Anglo-Egyptian 

 Sudan 181 



HoLDEN, R. J. ; Notes on the Oriskany 



and Helderberg in Virginia 137 



HoLOCYSTiTES, Intercolatiou of thecal 



plates in 207 



HoNESS, C. W. ; Structural features of 

 the southern Ouachita Mountains, 

 Oklahoma 121 



HovEY, E. O., Secretary ; Proceedings of 

 the Thirty-second Annual Meeting 

 of the Geological Society of Amer- 

 ica, held at Boston, Massachusetts, 

 December 29-31, 1919 1 



Howell, B. F. ; Correlation of the Mid- 

 dle Cambrian of Newfoundland and 

 Great Britain 214 



Hubbard, B. ; Tertiary formations of 



Porto Rico 135 



Hydrozoan affinities of Serpulites Sow- 



erby ; W. A. Price 210 



ICE-CAPS of the Pleistocene Ill 



Idaho, Rocky Mountain structure in. . . 126 

 Igneous rock textures. Development of. 141 



— rocks. Tectonic conditions accom- 



panying intrusion of 144 



Page 

 IxoRGANic evidences of disconformities 



in limestone : R. M. Field 222 



Intercalation of thecal plates in holo- 

 cystites in connection with criteria 

 upon which species can be distin- 

 guished ; A. F. Foerste 207 



Invertebrate paleontology. Teaching of 150 

 Inyo County, California :' Geology and 



mineral resources of 189 



Iowa, Aftonian gravels in 132 



IsosTASY as a working hypothesis. .... 266 



— , A test of 303 



— , Field experiment in 114 



— , Relation of Labrador ice-sheet to.. 326 



.Tackson, R. T. ; Studies in variation 

 and a proposed classification of 

 variants 209 



— ; Value and use of stages in devel- 

 opment in teaching paleontology. 150, 



213, 395 



•Tames Bay, Paleozoic sections south of 138 



Jointing planes. Studies on formation 



of 120 



.Tones, J. C, Discussion of wind sculp- 

 turing by 179 



— ; Origin of the tufas of Lake Lahon- 



tan 179 



Johnson, R. H. ; Natural gas decline 



curve 155 



.Johnston, W. A. ; Late Pleistocene 

 changes of level in northern Mani- 

 toba, Canada 131 



Julien, a. a.. Bibliography of . 85 



— , Memorial of 81 



Jurassic of Cuba 136 



Kat-MAi region, Great eruption of 1912 



in 140 



Kay, G. F. ; Further discussion of the 

 Aftonian gravels and their relation 

 to the drift-sheets in the region 

 about Afton Junction and Thayer, 

 Iowa 132 



Kemp, J. F., and P. Billingsly ; Sweet 



Grass Hills, Montana 158 



— -, Memorial of Alexis Anastay Julien 



by ; 81 



— Gaillard Sherburne Rogers .... 97 



— ; Petrology and structural geology . . 149 

 — ; Structural and petrographic geology 351 

 Kennecott ore deposits. Geology of the 157 

 Kentucky, Meteorite from. ....... 159-160 



Kew, W. S. W. ; Geology of a portion 



of the Santa Ynez River district, 



Santa Barbara County, California. 182 

 Keyes, C. R. ; Earth's radius of molar 



repose Ill 



— ; Erosive clues to the high plateaux 



of Utah 151 



Kindle, E. M., Memorial of Lawrence 



M. Lambe by 88 



— ; Paleozoic section of the lower Mac- 



kenzie River 211 



Labrador ice-sheet. 128, 319 



Ladd manganese mine — notes on the oc- 

 currence of manganese in Califor- 

 nia ; G. C. Gester . 189 



Lake Placid drumlins 128 



Lambe, L. M., Bibliography of 92 



— , Memorial of .88 



Lane, A. C, Discussion of deep drilling 



by 157 



— ; Till argillites (pellodites). Precam- 



brian, Permian, and Pleistocene. . . 125 

 Large fault in western New York ; G. H. 



Chadwick 117 



