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CONTENTS 



Page 

 Stone reefs on the northeast coast of Brazil. Annual address by the Presi- 

 dent, John Casper Branner 1 



Ice erosion theory a fallacy ; by H. L. Fairciiild 13 



Hanging valleys ; by Israel C Russell 75 



Plumose diabase and palagonite from the Holyoke trap sheet; by B. K. 



Emerson 91 



On the origin of veins of asbestiform serpentine; by G. P. Merrill 131 



Bearing of some new paleontologic facts on nomenclature and classification 



of sedimentary formations ; by H. S. Williams 137 



Origin of the channels surrounding Manhattan island, New York; by W. H. 



Hobbs 151 



Some crystalline rocks of the San Gabriel mountains; by Ralph Arnold and 



A. M. "Strong 183 



Effect of cliff erosion on form of contact surfaces ; by N. M. Fenneman 205 



Moraines of the Seneca valley and Cayuga Lake valleys ; by R. S. Tarr 215 



Drainage features of central New York ; by R. S. Tarr 229 



Pele and the evolution of the Windward archipelago ; by R. T. Hill 243 



Piedmont district of Pennsylvania ; by F. Bascom 289 



Correlation of Maryland and Pennsylvania Piedmont formations; by E. B. 



M athews. 329 



Cockeysville marble; by E. B. Mathews and W. J. Miller 347 



Geology of Fishers island, New York ; by M. L. Fuller 367 



Mesozoic section on Cook inlet and Alaska peninsula; by T. W. Stanton and 



G. C. Martin , 391 



Geological book-keeping ; by J. F. Kemp 411 



Petrography of the amphibolite, serpentine, and associated asbestos deposits 



of Belvidere mountain, Vermont ; by V. F. Marsters 419 



Red beds of southwestern Colorado and their correlation; by Whitman 



Cross and Ernest Howe 447 



Tertiary lignite of Brandon, Vermont, and its fossils; by G. H. Perkins . . . 499 



Stratigraphy of the Uinta mountains; by C. P. Bekkey 517 



Proceedings of the Seventeenth Annual Meeting, held at Philadelphia, Penn- 

 sylvania, December 29, 30, and 31, 1904, including Proceedings of the Sixth 

 Annual Meeting of the Cordilleran Section, held at Berkeley, California, 



December 30 and 31, 1904 ; Herman Le Roy Faiuchild, Secretary 531 



Session of Thursday, December 29 532 



Report of the Council 532 



Secretary's report 533 



Treasurer's report 535 



Editor's report 538 



Librarian's report 539 



Election of officers 540 



Election of Fellows 540 



Memoir of Charles Emerson Beecher [with bibliography]; by 



Charles Schuchert .... 541 



Memoir of John B. Hatcher [with bibliography] ; by W. B. Scott... 548 

 Memoir of Henry McCalley [with bibliography]; by Eugene A. Smith. 555 



Memoir of William Henry Pettee ; by Israel C. Russell 558 



M emoir of Charles Schaeffer ; by Angelo Heilprin 561 



iii 



