480 PROCEEDINGS OF THE NEW YORK MEETING 



The following three papers were read without discussion : 



GOLD MINING IN THE KLONDIKE DISTRICT 



BY J. B. TYRKRLL 



GLACIAL PHENOMENA IN THE CANADIAN YUKON DISTRICT 



BY J. B. TYRRELL 



The paper is printed as pages 193-198 of this volume. 



THE NASHUA VALLEY GLACIAL LAKE 

 BY W. O. CROSBY 



No evening session was held, but the Fellows of the Society with a few 

 guests had the annual dinner at the hotel Logerot. 



Session of Friday, December 30 



The Society met at 10 o'clock a m, President Stevenson in the chair. 

 The Secretary announced that the Council had selected Washington 

 as the place of meeting for December, 1899. 



The scientific program was resumed with the following paper : 



ORIGIN OF THE GRAHAMITE IN RITCHIE COUNTY, WEST VIRGINIA 

 BY I. C. WHITE 



Remarks were made by A. P. Coleman, J. S. Diller, J. F. Kemp, M. A. 

 Wadsworth, J. A. Holmes, and the author. The paper is printed as 

 pages 277-284 of this volume, under the title " Origin of Grahamite," 



The next paper was 



GEOLOGICAL STRUCTURE OP THE lOLA GAS FIELD 

 BY EDWARD ORTON 



Remarks were made by the President, J. F. Kemp, and I. C. White. 

 The paper is printed as pages 99-106 of this volume. 



The following paper was then read : 



CONSHOHOCKEN PLASTIC CLA YS 

 BY T. C. HOPKINS 



On the hill near Conshohocken is one of the most interesting clay deposits in 

 the state of Pennsylvania — interesting to the geologist because, with possibly one 

 exception, it is unlike any other deposit in the state, and, further, for its remark- 



