IV BULL. GEOL. SOC. AM., VOL. 4. 



Page 



Reporl of the Treasurer 376 



Election of Officers for 1893 378 



Election of Fellows 378 



Memorial of Thomas Sterry Hunt (with bibliography) ; by Raphael 



Pi mpelly 379 



Memorial of John Strong Newberry (with bibliography) ; by J. F. 



Kemp 393 



Memorial of James Henry Chapin (with bibliography); by \V. M. 



Davis 406 



< in the < reology of natural Gas and Petroleum in southwestern On- 

 tario (discussion by I. C. White and II. M. Ami); by II. P. II. 



Brumeli 408 



Note on fossil Sponges from the Quebec Group (Lower Cambro- 

 Silurian) at Little Metis, Canada (abstract); by J. Wm. Dawson. 409 



Evening Sessii >n of Wednesday, December 28 411 



A fossil Earthquake (abstract) ; by W J McGee 41 1 



Session of Thursday, December 29 415 



Third Annual Report of the Committee on Photographs 415 



Notes on the glacial Geology of western Labrador and northern 



Quebec ; by A. P. Low 419 



The supposed post-glacial Outlet of the Great Lakes through Lake 



Nipissing and the Mattawa River; by G. Frederick Wright. . . . 4'S.j 

 Notes on the Geology of Middleton Island, Alaska; by George M. 



1 >aws< >x 427 



Session of Friday, December 30 4-'!2 



Evening Session of Friday, December 30 4IJ4 



The Huronian Volcanics south of Lake Superior (abstract) ; by 



C. R. Van Hise 435 



On two Overthrusts in eastern New York ; by N. H. Darton 436 



Register of the Ottawa Meeting, 1892 440 



List of Officers and Fellows of the Geological Society of America 441 



Index to Volume 4 4ol 



ILLUSTRATIONS. 



Front is] >iec< — Portrait of John Strong Newberry 1 



Plate 1— White: New Tseniopteroid Fern (7 figures) . . .' -. . . 119 



2 — Whittle: Secondary Enlargement of clastic Tourmaline (2 figures). 156 



3 — Hobbs: Sections of garnetiferous porphyritic Schisl (2 figures) 178 



4— Diller: Map of northwestern California ami southwestern Oregon 205 

 5— Lindgren : Recent and Neocene drainage Systems of the Yuba and 



American Rivers, Sierra Nevada, California 257 



( rradesof the Neocene Yuba and American Rivers, Sierra 



Nevada. California L'li:; 



7 tions showing Neocene drainage Systems 265 



* : ions showing Neocene drainage Systems 266 



9 ( rrade Profiles of Neocene and present Rivers 296 



10— Keyes: Gneiss Enclusion in Granite— Woodstock. Maryland 299 



