CONTENTS 



Page 



Proceedings of the Twenty-third Annual Meeting of the Geological Society of 

 America, held at Pittsburgh, Pennsylvania, December 27, 28, and 29, 19 LO ; 



Edmund Otis Hovey, Secretary 1 



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. Bow- 



nocker 19 



Memoir of Robert Parr Whitfield (witli bibliography by L. Hussakof) ; 



by John M. Clarke 22 



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



Memoir of Wm. Phipps Blake (with bibliography); by R.W. Raymond. 36 

 Memoir of Franklin R. Carpenter (with bibliography) ; by H. 0. Hof- 



MAN 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 



Session of Thursday, December 29 65 



Program of glacial and physiographic; section 65 



Program of the petrologic, mineralogic, and economic section 67 



Register of the Pittsburgh Meeting, 1910 69 



Officers, Correspondents, and Fellows of the Geological Society of America. 71 

 Proceedings of the Second Annual Meeting of the Paleontological Society, 

 held at Pittsburgh, Pennsylvania, December 28-29, 1910; R. S. Bassler, 



Secretary 85 



Session of Wednesday, December 28 85 



Report of the Secretary 85 



Report of the Treasurer 89 



Election of officers, correspondents, and members 89 



Resolution concerning zoological nomenclature 90 



(iii) 



