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Observations on the range and distribution of certain types of 

 Canadian Pleistocene concretions [abstract and discussion] ; by 

 Edward M. Kindle 64 



Boom Beach (Isle-au-Haut. Maine), a sea-mill [abstract and dis- 

 cussion] ; by John M. Clarke 65 



Crystalline rocks of the Plains ; by Charles N. Gould 66 



Precambrian folding in North America; by William J. Miller.... 66 



Notes on the salt domes of North America [abstract] ; by E. De 

 Golyer 66 



Some structural features of northern Idaho [abstract] ; by Jo-' 

 seph B. Umpleby 66 



Data on the geographic nomenclature of the southern California 



and Texas regions [abstract] ; by Robert T. Hill 67 



Sectional meeting of Friday afternoon for Group B 67 



Titles and abstracts of papers of Group B and discussions thereon ... 67 



Successful method of teaching historical geology [abstract] ; by 

 George H. Chadwick 67 



drdovician overlap in the Piedmont of southern Pennsylvania and 

 Maryland ; by George W. Stose and Anna I. Jonas 67 



Chemung stratigraphy in western New York [abstract] ; by 

 George H. Chadwick 68 



Correlation of the Pottsville and Lower Allegheny formations in 

 western Pennsylvania [abstract and discussion] ; by B. Cole- 

 man Renick 68 



Structural study of a part of northeast Texas, with some strati- 

 graphic sections [abstract] ; by F. Julius Fobs and Heath M. 

 Robinson 70 



The lance problem [abstract] ; by Freeman Ward 71 



Observations on coal swamps in northern West Virginia where 

 Permian conditions prevail [abstract] ; by John L. Tilton 72 



Further contributions to the knowledge of the Cretaceous of 

 Texas and northern Mexico [abstract] ; by Robert T. Hill 72 



Paleozoic rocks found in deep wells in Wisconsin and northern 

 Illinois [abstract] ; by F. T. Thwaites 73 



Merging of the Carlile shale and Timpas limestone formations in 

 southeastern Colorado ; by H. B. I'atton 74 



Present status of the geodetic work in the United States and its 

 value to geology [abstract] ; by William Bowie 74 



Reconnaissance traverse from Mojave Ulojane, California, to Rock 

 Creek, Utah [abstract] ; by Herbert E. Gregory 74 



Topography and geology of the Okanogan Highlands and Colum- 

 bia Plateau of Washington [abstract] ; by Solon Shedd 75 



Tertiary stratigraphy in the lower Rio Grande region [abstract] : 



by Arthur C, Trowbridge , . . . 75 



Annual dinner 75 



Greetings to foreign societies 76 



Resolutions of appreciation to E. O. Hovey, retiring Secretary 76 



Reply by Edmund Otis Hovey 77 



