BliLLEtlN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 22, pp. 1-84, PLs. 1-6 March 31, 1911 



PROCEEDINGS OF THE TWENTY-THIRD ANNUAL MEETING 



OF THE GEOLOGICAL SOCIETY OF AMERICA, HELD AT 



PITTSBURGH, PENNSYLVANIA, DECEMBER 27, 28, AND 29, 

 1910. 



Edmund Otis Hovey, Secretary 



CONTENTS 



Page 



Session of Tuesday, December 27 2 



Election of Auditing Committee 2 



Election of officers 2 



Election of Fellows , 3 



Election of Correspondents 3 



Memoir of J. C. K. Laflamme (with bibliography) ; by John M. Clarke. 4 



Memoir of William Harmon Niles ; by George H. Barton 8 



Memoir of David Pearce Penhallow (with bibliography) ; by Alfred E. 



Barlow 15 



Memoir of William George Tight (with bibliography) ; by J. A. 



Bownocker 19 



Memoir of Robert Parr Whitfield (with bibliography by L. Hussa- 



kof ) ; by John M. Clarke , 22 



Memoir of Thomas C. Weston (with bibliography) ; by Robert Bell. . . 32 

 Memoir of William Phipps Blake (with bibliography) ; by Rossiter W. 



Raymond , 36 



Memoir of Franklin R. Carpenter (with bibliography) ; by H. O. 



Hofman 48 



Report of the Photograph Committee 52 



Report of Geological Nomenclature Committee 52 



Amendment to the By-Laws 52 



Resolution concerning freight rates 53 



Titles of papers and names of disputants 54 



Address of the retiring President , 55 



Session of Wednesday, December 28 56 



Report of the Council , 56 



Secretary's report 56 



Treasurer's report 58 



Editor's report , 60 



Report of the Auditing Committee 62 



Resolution concerning Canadian Forestry School 62 



Report of delegates to the International Geologic Congress 62 



Titles of papers and names of disputants .'. 62 



Annual dinner 64 



I — Boll. Geol. Soc. Am., Vol. 22, 1910 n\ 



