iv BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Features of the shifts of land and sea-level in the Atlantic and 

 Gulf Coastal Plain during Pleistocene and post-Pleistocene 

 time [abstract and discussion]; by T. W. Vaughan 113 



Field experiment in isostasy [abstract and discussion] ; by 

 C. W. Brown 114 



Post-glacial river changes in Rhode Island and continental tilt 

 [abstract and discussion] ; by C. W, Brown 114 



Calcination volcanoes [abstract] ; by W. H. Hobbs 115 



Relations of fault-block mountains to folded chains [abstract 

 and discussion] ; by J. B. Woodworth 115 



Structure of some mountains in New Mexico [abstract] ; by 

 Nelson H, Darton 116 



Nature of Paleozoic crustal instability in eastern North 

 America [title] ; by Charles Schuchert 116 



Stratigraphy and diastrophism of western Newfoundland 

 [title] ; by Charles Schuchert and Carl O. Dunbar 116 



Large fault in western New York; by George H. Chadwick. . 117 



Experimental studies on the formation of jointing planes 

 [abstract] ; by Fred E. Wright 120 



Structural features of the southern Ouachita Mountains, Okla- 

 homa [abstract and discussion] ; by Charles W. Honess.. 121 



Heart Mountain overthrust, near Cody, Wyoming [abstract] ; 

 by D. F. Hewett 122 



Presidential address: Earth sciences as the background of 

 history [title] ; by John C. Merriam 122 



Wonders of Bryce Canyon, Utah [title] ; by J. W. Pack. . ... 122 



Annual smoker 122 



Session of Tuesday, December 30 122 



Report of the Auditing Committee 123 



Symposium on researches in sedimentation 123 



Research in sedimentation [title] ; by T. Wayland Vaughan 123 



Tlie value of terrestrial organisms in the interpretation of 

 sediment [title] ; by J. P. Buw^alda 123 



Mechanical research in the investigation of sediments [title] ; 

 by Eugene Wesley Shaw 123 



Chemical researches in the investigation of sediments [title] ; ■ 

 by H. E. Merwin 123 



Diagenesis in sedimentation [title] ; by Charles Schuchert 123 

 Titles and abstracts of papers presented before the morning ses- 

 sion and discussions thereon 123 



Preliminary results of a study of the San Francisco Bay sedi- 

 ments [abstract and discussion] ; by George D. Louderback 123 



Till argillites (pellodites), Precambrian, Permian, and Pleisto- 

 cene [abstract] ; by Alfred C. Lane 125 



Titles and abstracts of papers presented before the afternoon ses- 

 sion of Tuesday 125 



Mississippian tuff in the Ouachita Mountain region [abstract 

 and discussion] ; by H. D. Miser 125 



