PROCEEDINGS OF THE CHICAGO MEETING 



Page 



Canadian studies in sedimentation [title] ; by E. M. Kindle 25 



Association of glauconite with unconformities [abstract] ; bj' 



Marcus I. Goldman 25 



Titles and abstracts of papers presented before the afternoon session 

 and discussions thereon 26 



Syngenetic origin of concretions in shale [abstract and discus- 

 sion] ; by W. A. Tarr 2G 



Rain-drop impressions and marks of somewhat similar appear- 

 ance [title and discussion] ; by W. H. Twenhofel 27 



Structural features of Indiana [abstract and discussion] ; by 

 Stephen Visher 27 



Tutuila, Samoa, and the coral reef problem [abstract] ; by Rollin 

 T. Chamberlin 28 



Some geologic features of the Beartooth Mountains, Montana 

 [abstract] ; by Arthur Bevan 29 



Evolution of arcuate mountains [abstract and discussion] ; by 

 W. H. Hobbs 30 



Some points in the mechanics of arcuate and lobate mountain 

 structures [abstract] ; by F. B. Taylor 31 



Doctrine of the zone of flow challenged [abstract] ; by W. H. 

 Hobbs 32 



Crustal deformation in the Pacific and Atlantic regions [ab- 

 stract] ; by W. H. Hobbs 32 



Orogenic forces [abstract] ; by H. F. Reid 33 



An objection to the contraction hypothesis as accounting for 

 mountains [abstract]; by F. B. Taylor 33 



An origin of crystalline schists [abstract] ; by Charles R. Keyes.. 34 

 Sectional meeting 34 



Devonian of Minnesota [abstract]; by Clinton R. StaufEer 34 



Devonian of Missouri [abstract]; by E. B. Branson 35 



Some structural features of Indiana [title] ; by W. N. Logan... . 35 



Nicholasville (Kentucky) well [abstract] ; by Arthur M. Miller.. 35 



Stratigraphic problems in the Columbia Valley between Snake 

 River and Willamette River [abstract] ; by J. Harlen Bretz... 36 



Evidences of an unconformity within the pre-Cambrian of the 

 Black Hills of South Dakota [abstract] ; by J. J. Runner 37 



Stratigraphy and diastrophism of western Newfoundland [ab- 

 stract] ; by Charles Schuchert and Carl O. Dunbar 38 



Stratigraphy of the Moose and Albany rivers of northern Ontario 

 [abstract] ; by M. Y. Williams 39 



Age of the Andes [abstract] ; by Edward W. Berry and Joseph T. 

 Singewald, Jr 39 



Pre-Cambrian rocks of Manitoba ; by F. J. Alcock and E. L. Bruce 40 



Occurrence of basal conglomerates [abstract] ; by W. H. Twen- 

 hofel and E. C. Edwards 40 



Llanoria — the Paleozoic land area in Louisiana and eastern Texas 

 [abstract] : by Hugh D. Miser 40 



Igneous geology of southeastern Idaho [title] ; by G. R. Mansfield 41 



