IV BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Graded surfaces [abstract] ; by F. P. Gulliver 609 



Session of Friday, December 28 61 1 



Seventeenth annual report of the Committee on Photographs 611 



■Resolutions concerning retiring Secretary and Treasurer 611 



Resolution concerning investigation of volcanoes 613 



Memorial of A. R. C. Selwyn [abstract] ; by H. M. Ami 614 



Dome structure in conglomerate [abstract] ; by Ralph Arnold 615 



Relations between climate and terrestrial deposits [abstract] ; by 



Joseph Barrell 616 



Personal reminiscences of Sir William E. Logan [abstract] ; by Robert 



Bell 622 



Session of Saturday, December 29 623 



Report of the Auditing Committee 623 



Permo-Carboniferous climatic changes in South America [abstract] ; 



by David White 624 



Controlling factors of artesian flows [abstract] ; by Myeon L. Fuller. 626 

 Volcanoes of Colima, Toluca, and Popocatepetl [abstract] ; by E. 0. 



HovEY 635 



Probable age of the Meguma (gold-bearing) series of Nova Scotia 



[abstract] ; by J. Edmund Woodman 636 



Lebanon glacier [abstract] ; by G. Frederick Wright 637 



Ice present during the formation of glacial terraces [abstract] ; l)y 



F. p. Gulliver 640 



Glacial lake Memphremagog [abstract] ; by C. H. Hitchcock 641 



Earth-flows at the time of the San Francisco earthquake [abstract] ; 



by Robert Anderson 643 



Genetic relations of some granitic dikes ; by Alfred C. Lane 644 



Ophitic texture [abstract] ; by A. C. Lane 648 



Charles Willson Peale' s painting, ' ' The exhuming of the first American 



mastodon " ; by Arthur Barneveld Bibbins 650 



Resolution as to division of meetings into sections. . , 654 



Register of the New York meeting, lfl06 655 



Session of the Cordilleran Section, Friday, December 28, 1906 656 



Notes on the structure of the Santa Cruz range, California [abstract] ; 



by J. F. Newsom 657 



Notes on the topography of the Seward peninsula, Alaska [abstract] ; 



by J. F. Newsom 657 



Transportation of detritus by Yul^a river [abstract] ; bj^ G. K. 



Gilbert 657 



Crocidolite-bearing rocks of the California coast ranges [ abstract] ; by 



George D. Louderback and William J. Sharwood 659 



Prinntive characters of American Triassic Ichthyosaurs [abstract] ; 



by John C. Merriam 659 



Origin of South American bears [abstract] ; by John C. Merriam. . . 660 

 Two mountain ranges of southern California [abstract] ; by W. C. 



Mendenhall 660 



Session of the Cordilleran Section, Saturday, December 29, 1906 661 



Notes on the geology of the Mount Hamilton quadrangle [abstract] ; 



by J. F. Nkwsom and Roderic Crandall 661 



