VI BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Regional altei*ation of oil shales [abstract] ; by David White, 101 

 Oil pools of southern Oklahoma and northern Texas [ab- 

 stract] ; by James H. Gardner 102 



Natural gas at Cleveland, Ohio [abstract] ; by Frank R. 



Van Horn 102 



Origin of thick salt and gypsum deposits [abstract and dis- 

 cussion] ; by E. B. Branson 103 



Crystalline marbles of Alabama [abstract] ; by William F. 



Peouty 104 



Annual dinner 104 



Session of Thui-sday, December 31 lOo 



Titles and abstracts of papers presented in general session and 



discussions thereon 105 



Present condition of the volcanoes of southern Italy [ab- 

 stract] ; by H. S. Washington and A. L. Day 105 



Recent eruptions of Lassen Peak, California [abstract] ; by 



J. S. Diller ' 105 



Physiographic study of the Cretaceous-Eocene period in the 

 Rocky Mountain front and Great Plains provinces [ab- 

 stract] ; by George H. Ashley 105 



Relation of physiographic changes of ore alterations [ab- 

 stract] ; by Wallace W. Atwood 106 



Graphic projection of Pleistocene climatic oscillations [ab- 

 stract] ; by Chester A. Reeds 106 



Geologic deposits in relation to Pleistocene man [abstract] ; 



by Chester A. Reeds 109 



Physiographic features of western Europe as a factor in the 



war [abstract] ; by Douglas W. Johnson 110 



Vote of thanks 110 



John Boyd Thacher Park: The Helderberg Escarpment as a 



geological park [abstract] ; by George F. Kunz 110. 



Relief of our Pacific coast [abstract] ; by J. S. Diller Ill 



Titles and abstracts of papers presented before the Second Sec- 

 tion 112 



Devonian of central Missouri [abstract] ; by E. B. Branson 



and D. K. Greger 112 



Olentangy shale of central Ohio and its stratigraphic signifi- 

 cance [abstract] ; by Amadeus W. Grabau 112 



Hamilton group of western New York [abstract] : ))y Ama- 

 deus W. Grabau 113 



Extension of Morrison formation into New Mexico [abstract] ; 



by N. H. Daeton 113 



Geological reconnaissance of Porto Rico [abstract] ; by 



Charles P. Berkey 113 



Relation of Cretaceous formations to the Rocky Mountains in 



Colorado and New Mexico [abstract] ; by Willis T. Lee.. 114 

 Post-Ordovician deformation in the Saint Lawrence Valley, 



New York [abstract] ; by George H. Chadwick 115 



Register of the Philadelphia Meeting, 1914 115 



