550 PROCEEDIXGS OF THE WASHINGTOX MEETING 



evident that they are supplied, in part, at least, with water which rises through 

 deep fissures in the rocks beneath the artesian basin. 



This paper was an abstract of a report since printed by the U. S. 

 Geological Survey as Water-Suppl}^ and Irrigation Paper number 78. 



The next paper was 



NORTHWARD FLOW OF ANCIENT BEAVER RIVER 

 BY RICHARD R. HICE 



Remarks were made by I. C. White and M. R. Campbell. The paper 

 is printed as pages 297-304 of this volume. 



The following paper was then read : 



CONCRETIONS AND THEIR GEOLOGICAL EFFECTS 

 BY J. E. TODD 



The paper is printed as pages 353-368 of this volume. 

 The last paper of the day was the following : 



CLASTIC DIKES 

 BY J. F. NEWSOM 



The paper is printed as pages 227-268 of this volume. 



The Secretar}^ announced that the Council had arranged to hold no 

 session of the Society on Frida}^ morning, thus giving opportunity for 

 Section E, American Association for the Advancement of Science, to 

 hold a session for the reading of its papers on the West Indies, but that 

 the Society would meet Frida}^ afternoon at 2 o'clock. The Societ)^ then 

 adjourned. 



Session of Friday, January 2 



The Society was called to order at 2.15 o'clock p m by Dr I. C. White. 



The Secretary announced that the Council had considered the matter 

 of future meetings and had decided to not hold any summer meeting of 

 the Society this year, and to hold the winter meeting the last week in 

 December in St Louis, Missouri, in conjunction with the American 

 Association for the Advancement of Science. 



The scientific program was taken up, and tlie following three papers 

 were read in order and discussed as a unit : 



