BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Vol. 12, pp. 445-538, PLS. 42-45 NOVEMBER 27, 1901 



PROCEEDINGS OF THE THIRTEENTH ANNUAL MEETING, 

 HELD AT ALBANY, NEW YORK, DECEMBER 27, 28, AND 29, 

 1900, INCLUDING PROCEEDINGS OF THE SECOND ANNUAL 

 MEETING OF THE CORDILLERAN SECTION, HELD AT SAN 

 FRANCISCO, DECEMBER 28 AND 29, 1900 



Herman Le Roy Fairchild, Secretary 



CONTENTS 



Page 



Session of Thursday, December 27 446 



Report of the Council 447 



Secretary ' s report 447 



Treasurer's report 449 



Editor's report 451 



Librarian's report 452 



Election of officers 453 



Memoir of Franklin Piatt [with bibliography] ; by Persifor Frazer 454 



Experimental work on the flow of rocks [abstract] ; by F. D. Adams. . . . 455 

 Geomorphogeny of the Klamath mountains [abstract] ; by J. S. Diller.. . 461 

 Tuflf coneat Diamond head, Hawaiian islands [abstract] ; by C. H. Hitch- 

 cock 462 



Hypothesis to account for the extra-glacial abandoned -valleys of the Ohio 



basin [abstract, with discussion] ; by M. R. Campbell 462 



The alleged Parker channel ; by E. H. Williams, Jr 463 



Origin and age of an Adirondack augite syenite [abstract] ; by H. P. 



Gushing 464 



Session of Friday, December 28 464 



Eleventh annual report of the Committee on Photographs 465 



Laurentian limestones of Baffinland [abstract] ; by Robert Bell 471 



Points involved in the Siluro-Devonian boundary question [abstract] ; by 



H. S. Williams 472 



Age of the coals at Tipton, Blair county, Pennsylvania; by David White. 473 

 Comparison of stratigraphy of the Black hills with that of the Front 



range of the Rocky mountains [abstract] ; by N. H. Darton 478 



Session of Saturday, December 29 479 



Recommendations by the Council 479 



Peneplains of Central France and Brittany [abstract] ; by W. M. Davis. . 480 



An excursion to the Colorado canyon [abstract] ; by W. M. Davis 483 



Note on river terraces in New England [abstract] ; by W. M. Davi.s 483 



Landslides of Echo and of Vermilion clifls [abstract] ; by R. E. Dodge. . 485 

 River action phenomena ; by J. E. Todd 486 



LXIV— BuT.L. Geol. Soc. Am., Vot,. 12, 1900 <'445) 



