2 PROCEEDINGS OF THE AXX ARBOR MEETING 



Pagv 

 Eastern Appalaeliiaus in the latitude of southern New England : 



by J. B. Woodworth 53 



Coast Ranges and Sierra Nevadas : by Bailey Willis 53 



Rocky Mountains of Idaho and Montana: by G. R. Manstield... 53 



Front ranges of Colorado and New Mexico: by Willis T. Lee 54 



Session of Thursday evening 54 



Division of Geology and Geography, National Research Council 54 



The smoker 54 



Session of Friday morning. December 29 55 



Report of the Auditing Committee 55 



Report on securities 56 



Titles and abstracts of papers and discussions thereon, presented be- 

 fore the morning session 56 



Recent work in France and Switzerland on the structure of the 



Alps : by Emmanuel de Margerie 56 



A layman's view of the theory of isostasy [abstract and discus- 

 sion] ; by C. K. Leith 57 



Rectilinear shorelines of the New England-Acadian region [ab- 

 stract] : by Douglas W. Johnson 57 



Dynamics of faulting and folding [abstract] : by Harry Fielding 



Reid 58 



Criteria for the recognition of active faults: by Stephen Taber.. 58 



Fault map of California [abstract] ; by Bailey Willis 58 



Faults of the Coast Ranges of California [abstract and discus- 

 sion] : by Bailey Willis 58 



Late Tertiary and Quaternary diastrophism in southern Cebu. 

 Philippine Islands [abstract] : by George D. Louderback and 



R. R. Morse 59 



Parallel folds and boudinage [abstract] : by Terence T. Quirke.. 59 



Group photograph GO 



Luncheon given by the L'niversity (>9 



Sessions of Friday afternoon 60 



Sectional meeting of Friday afternoon for Group A 60 



Titles and abstracts of papers of Group A and discussions thereon... 61 

 Contribution to the hypothesis of mountain formation : by E. C. 



Andrews 61 



Earth's crust and its evolution [abstract and discus.sion] ; by R. A. 



Daly 61 



Orogenic exigencies of a rotary earth [abstract] : by Charles R. 



Keyes 62 



Isostasy as a result of earth shrinkage [abstract] : by Francis 



Parker Shepard 62 



Fissilityof shale: Some factors concerned in its development 



[abstract] ; by J. Volney Lewis 63 



Development of shrinkage cracks in sediments without exposure 



to the atmosphere | abstract]: by W. H. Twenhofel 64 



