752 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 FixGER Lakes, Discussion concerning. . 478 

 Fish fauna (A) from the Pennsylva- 



nian of -Wyoming; E. B. Branson.. 87 

 FoERSTE, A. F. ; To wliat part of the 

 Richmond does the Medina of On- 

 tario correspond ? 83 



Forrester, Robert, Mesaverda fossils 

 collected in southwestern Colorado 



by 590 



FossiLiFEROus Conglomerates ; A. W. 



Grahau 83 



Fossil invertebrates of the "Laramie" 



formation, southwest Colorado. . . . 501 



— plants from central and western New 



Mexico and southwestern Colorado, 

 Table showing distribution of 606 



— • plants from the "Laramie." New 



Mexico 617 



Fossils, Absence in deltas of 415 



— as evidence of terrestrial deposits. 



Terrestrial 443 



— described by Prof. Samuel Calvin, 



List of 6 



— • from North Cayuga and Walpole 



townships, Ontario 373, 375 



— named in honor of Prof. Samuel Cal- 



vin 7 



— of lower limestone of Steep Rock 



series ; Charles D. Walcott 46. 723 



Gardxer, J. H. ; Table of section of 

 Cretaceous rocks measured near 

 Durango. Colorado 584-589 



Geike, James, quoted on the Great 



Lakes 478 



Gexus Edestus. Remarkable specimen 



belonging to the 87, 212 



Geographic cycle in an arid climate : 

 should its development be by wind 

 or water ? Charles R. Keyes. 49, 537-562 



Geographical descriptions, Geological 



elements in 95 



— studies. The geological nature of cer- 



tain Ill 



— terms. Concealed geological meaning 



in various 119 



— ' .Implicit explanations in 102 



Geography is the geology of today . . . 120 



— . Relation of to geology ; W. M. 



Davis 93-124 



— . The necessity of explanatory treat- 

 ment in modern 104 



— , Trend toward explanatory treatment 



of modern 108 



Geologic formations, southern Colo- 

 rado and northern New Mexico. 583-610 



— ■ theory and method, Contributions 



to 86, 262 



Geological descriptions, Empirical and 



explanatory 104 



"-. in geological publications," Ref- 

 erence to 93 



— ■ elements in geographical descrip- 

 tions. Limitation of 109 



— matter in geological descriptions, 



The diminution of apparently 112 



— pertinence of explanatory phrases... 99 



— reconnaissance in northwestern Nica- 



ragua ; Oscar II. Hershey 



36. 75, 493-516 



— Society. Officers for 1912 of the 2 



of Washington. Entertainment to 



the various societies given by 49 



Geology and geography separate sci- 

 ences 122 



— (lacustrine), Historical notes on the 



rise of our 477 



— of the Nevada hills; A. C. Lawson. . 74 

 — , Relation of geography to ; W. M. 



Davis 93-134 



Page 



Geophysical Laboratory of the Car- 

 negie Institute, Visit of members 



to 46 



GiDLEY. J. W. ; Perissodactyla 85. 179 



Gilbert. G. K., Memoir of Edwin E. 



Howell by 30 



— quoted on origin of the Great Lakes 



basin 478 



Gilmore. C. W. ; Remarkable skeleton 



of Stegosaurus 87 



GiRTY, George H.. quoted on Caney 



shales of Oklahoma 457 



Glacial (some) deposits east of Cody, 

 Wyoming, and their relation to the 

 Pleistocene erosional history of the 

 Rockv Mountain region ; William 



,1. Sinclair 45,731 



Glaciated stones. Criteria of 458 



Glaciatiox, Existing glaciers and Wis- 

 consin 687 



— in Montana and Idaho 517-518 



— ■ — New York. Closing phase of.. 47,737 

 northwestern Alaska ; Philip S. 



Smith 44. 563-570 



Glacial climate, Extent of ice scoring 



in a 541 



— deposits of the continental type In 



Alaska ; R. S. Tarr and Lawrence 

 Martin 44, 729 



— drift in the region of Glacier Na- 



tional Park. Montana, Pre-Wiscon- 



sin 44. 687-708 



— epochs in the San .Juan Mountains 



of Colorado, Evidence of three dis- 

 tinct 46,732 



— erosion. Some hanging valleys no 



evidence of 485 



— excavation. Hanging valleys no proof 



of 484 



— investigations in Minnesota in 1911 ; 



Frank Leverett 46. 732 



Glacier Park. Montana. Pre-Wisconsin 



glacial drift in the region, of 



44. 687-708 

 Glex. L. C. ; Arkansas diamond-bearing 



peridotite area 37, 726 



GxEiss province. British East Africa, 



The 302 



GoRDox. C. H. : Onyx deposits in east 



Tennessee 37. 729 



Grabau. a. W.. a new Trenton Crinoid 



from Ontario discussed by 84 



— ; Ancient delta deposits 48. 743 



— ; Coastal marshes south of Cape Cod 



discussed bv 50, 743 



— . F. F. Hahn introduced by 83 



— ; Fossiliferous conglomerates 83 



— ; Notes on Devonic corals 87 



— . Paleontology of a voracious appe- 

 tite discussed by 83 



— ; Structure of the Helderberg 



Front oO. 74« 



— . The :Medina of Ontario discussed by. 83 



— ■ — Ozarkian fauna discussed by.... 84 



Graxd Canvon of the Colorado River ; 



N. H. barton 36. 721 



Grantlarity limits in petrographic- 

 microscopic work ; Fred. E. 

 Wright 37, 726 



Gravity anomalies and geological for- 

 mations : William Bowie 50 



Grkexrrier limestone, Mississipplan 



delta of Virginia 452 



Gregory. II. E.. Glacial epochs in the 

 San .Tuan Mountains of Colorado 

 discussed by 46 



Gregory, W. K. ; Primates. Marsupials. 



and Insectlvores 86. 187 



Gros Ventre slide; Eliot Blackwelder. 



51, 487-491, 739 



