CONTENTS V 



Page 

 Structural failure of the lithosphere [title] ; Vice-Presidential 



address by C. K. Leith 42 



Annual smoker 42 



Session of Wednesday morning, December 29 42 



Report of the Auditing Committee 42 



Affiliation with Society of Economic Geologists 43 



Titles and abstracts of papers presented at the morning session 



and discussions thereon 44 



Geology and geography in the United States [abstract] ; by 



Edward B. Mathews and Homer P. Little 44 



Pre-Cambrian problems [abstract]; by J. J. Sederholm 44 



Mobility of the coast ranges of California [abstract] ; by An- 

 drew C. Lawson 45 



Certain marked differential movements in the San Francisco 

 Bay region [abstract and discussion] ; by George D. Lou- 



derback 45 



Vote of welcome to Prof. T. C. Ohamberlin 46 



The greater earth [title] ; by T. C. Chamberlin 46 



Groundwork of the earth's diastrophism [title] ; by T. C. 



Chamberlin 46 



Sessipn of Wednesday afternoon, December 29 46 



Titles and abstracts of papers presented at the afternoon session 

 and discussions thereon 46 



Solitario uplift, Presidio-Brewster counties, Texas [abstract] ; 

 by Sidney Powers 46 



Great fault troughs of the Antilles [abstract and discussion] ; 

 by Stephen Taber 47 



Hercynian orogenic movements in southern Oklahoma [ab- 

 stract] ; by R. C. Moore 48 



Framework of the earth [title] ; by Peter McKellar 48 



Origin and distribution of the loess [abstract] ; by G. Fred- 

 erick Wright 48 



Valley gravels of northwestern Iowa [abstract] ; by James H. 

 Lees 49 



Glacial section at Calgary, Alberta [abstract] ; by Edward M, 

 Burwash 51 



A late Pleistocene readvance of the . ice-sheets in the Van- 

 couver region, British Columbia [abstract and discussion] ; 

 by W. A. Johnston 51 



Sedimentation in the recent delta of Eraser River, British 

 Columbia, Canada [abstract]; by W. A. Johnston 52 



Xotes on the Kennecott Glacier, Alaska [abstract and discus- 

 sion] ; by Alan M. Bateman 52 



Postglacial changes of level in Newfoundland and Labrador 

 [abstract] ; by Reginald A. Daly 53 



Accordant levels in the White Mountains [abstract] ; by Al- 

 fred C. Lane 5?, 



