TITLES OF PAPERS. 619 



The next paper was read, in the absence of the author, by L. S. Gris- 

 wold : 



PLEISTOCENE PROBLEMS IX MISSOURI 

 BY JAMES E. TODD 



This paper is printed as pa^^es 531-548 of this volume. 

 The last paper of the afternoon session was the following : 



REMARKS UPON A SUPPOSED GLACIATED STONE AXE FROM INDIANA 



BY G. FRKDERICK WRIGHT 



Remarks were made by W. H. Niles, T. C. Chamberlin, the President 

 and others. A notice is published in The American Geologist, volume 

 xiii, 1894, page 217. 



Session of Friday Evening, December 29 



The Society convened at 8 o'clock, President Dawson presiding. 



The following five papers were read without interruption, and discus- 

 sion reserved until all of them were before the Society. 



PSEUDO-COLS 

 BY T. C. CHAMBERLIN 



An abstract of this paper is published in The Journal of Geolog}^ vol- 

 ume ii, page 205, and in The American Geologist, volume xiii, March 

 1894, page 217. 



The second paper was read by the senior author. 



CERTAIN FEATURES OF THE PAST DRAINAGE SYSTEMS OF THE UPPER OHIO 



BASIN 



BY T. C. CHAM BERLIN AND FRANK LEVERETT 



■ An abstract of this paper, with the discussion, is published in The 

 American Geologist, volume xiii, March, 1894, page 217. 



The third paper was : 



GLACIAL HISTORY OF WESTERN PENNSYLVANIA 

 BY G. FREDERICK WRIGHT 



An abstract of this paper is published in The American Geologist, 

 volume xiii, March, 1894, page 219. 



