26 PROCEEDINGS OF THE BOSTON-CAMBRIDGE MEETING 



The first paper was 



RELATIONSHIP OF NIAGARA RIVER TO THE GLACIAL PERIOD 

 BY J. W. SPENCER 



Presented without notes; illustrated with lantern slides; 20 minutes. 

 Discussed by Lawrence Martin, F. B. Taylor, W. M. Davis, and the 

 author. 



PARTIAL DRAINAGE OF NIAGARA FALLS IN FEBRUARY, 1909 

 BY J. W. SPENCER 



Presented extemporaneously; illustrated with lantern slides; 10 min- 

 utes. 



BIRD'S HILL: AN ESKER NEAR WINNIPEG, MANITOBA 

 BY WARREN UPHAM 



Eead by title in the absence of the author. 



ORIGIN OF CLIFF LAKE, MONTANA 

 BY G. R. MANSFIELD® 



Eead from manuscript; illustrated with lantern slides; 20 minutes. 

 Discussed by W. M. Davis and the author. 



ROCK STREAMS OF VET A MOUNTAIN, COLORADO 

 BY H. B. PATTON 



Presented extemporaneously; illustrated with lantern slides; 20 min- 

 utes. Discussed by D. W. Johnson, F. E. Matthes, W. M. Davis, and 

 the author. 



The next two papers were presented without notes. They were eil-^ 

 titled 



MEANDERS AND SCALLOPS 

 BY M. S. W. JEFFERSON 



Illustrated with lantern slides; 15 minutes. 



BEACH CUSPS 

 BY M. S. W. JEFFERSON 



Fifteen minutes. 



Introduced by U. S. Grant. 



