IV BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Present status of the problem of the origin of loess [abstract 

 and discussion] ; by C. W. Tomlinson 73 



Late Pleistocene shoreline in Maine and New Hampshire [ab- 

 stract] ; by Frank J. Katz 74 



Glacial lakes of Saginaw Basin in relation to uplift [ab- 

 stract] ; by Frank Leverett 75 



Mechanics of laccolithic intrusion [abstract] ; by Charles R. 

 Keyes 75 



Faceted form of a collapsing geoid [abstract] ; by Charles R. 

 Keyes 76 



Characteristics of the upper part of the till of southern Illinois 

 and elsewhere [abstract] ; by Eugene Wesley Shaw 76 



Pleistocene deposits between Manilla, in Crawford County, 

 and Coon Rapids, in Carroll County, Iowa [abstract and dis- 

 cussion] ; by George F. Kay 77 



Loess-depositing winds in the Louisiana region [abstract] ; 

 by F. V. Emerson 79 



Stream meanders. [abstract] ; by E. B, Branson 79 



Notes on the separation of salt from saline water and mud 

 [abstract] ; by E. M. Kindle 80 



Additional note on Monks Mound [abstract and discussion] ; 

 by A. R. Crook 80 



Salient features of the geology of the Cascades of Oregon, with 

 some correlations between the east coast of Asia and the 

 w^est coast of America [abstract] ; by Warren Du Pr6 

 Smith 81 



Clinton formations in the Anticosti section [abstract] ; by 

 E. O. Ulrich 82 



Presidential address : Experiment in geologj^ ; by Frank D. 



Adams 82 



Complimentary smoker 82 



Session of Friday, December 28 83 



Titles and abstracts of papers presented before the morning ses- 

 sion and discussions thereon 83 



Strand and undertow records of Upper Devonian time as in- 

 dications of the preA^ailing climate [abstract and discus- 

 sion] ; by John M. Clarke 83 



Report of the Auditing Committee 83 



Telegram to Doctor Walcott and reply 83 



Announcement of the fire at Mount Holyoke 84 



Study of the sediments as an aid to the earth historian [ab- 

 stract and discussion] ; by Eliot Blackwelder 84 



Opportunities for geological work in the far Arctic [abstract 

 and discussion] ; by W. Elmer Ekblaw 85 



Genesis of Missouri lead and zinc deposits [abstract and dis- 

 cussion] ; by W. A. Tarr 86 



Relation between occurrence and quality of petroleum and 

 broad areas of uplift and folding [abstract] ; by Eugene 

 Wesley Shaw 87 



