378 PROCEEDINGS OF WASHINGTON MEETING. 



The presentation of scientific papers was declared in order under the 

 customary rules. The first paper read was presented by the author, 

 with the aid of lantern views. 



CRA TER LAKE 

 BY J. S- DILLER 



The paper was discussed by the President and Messrs H. F. Reid, N. S. 

 Shaler, H. W. Turner, and the author. The paper is published in the 

 National Geographic Magazine, volume viii, February, 1897, pages 33-48. 



The second paper was also illustrated by lantern views and read by 

 the author. 



THE LEV CITE HILLS OF WYOMING 

 BY J. F. KEMP 



Remarks were made by C. W. Cross. The paper is printed as pages 

 169-182 of this volume. 



The next paper was entitled — 



SOLUTION OF SILICA UNDER ATMOSPHERIC CONDITIONS 

 BY C. WILLARD HAYES 



Remarks were made by J. F. Kemp, G. K. Gilbert, N. S. Shaler, B. K. 

 Emerson, J. J. Stevenson, I. C. White, and M. R. Campbell. The paper 

 is printed as" pages 213-220 of this volume. 



Following the discussion of this paper the meeting was adjourned for 

 lunch. 



The Society reconvened at 2 o'clock p m, and the first paper was read 

 as follows : 



EROSION AT BASELEVEL 

 BY M. R. CAMPBELL 



Remarks were made by J. P. Iddings, C. W. Hayes, M. E. Wadsworth, 

 H. W. Turner, and the President. The paper is printed as pages 221- 

 226 of this volume. 



The next paper was by the same author : 



THE ORIGIN OF CERTAIN TOPOGRAPHIC FORMS 

 BY M. R. CAMPBELL 



Remarks were made by Arthur Keith. An abstract of the paper is 

 published in Science, volume v, January 15, 1897, pages 83, 84. 



I 



