MINUTES. xi 



duced by Prof. W. B. Scott.) 

 " The Waters of Death," by Paul Haupt, Professor of Semitic 

 Philology, Johns Hopkins University. 



Executive Session — i.-^j o'clock. 



William W. Keen, M.D., LL.D., President, in the Chair. 



The Clerk of the Council certified that the Officers and Council, 

 by unanimous vote, had nominated for membership the Rt. Hon. 

 Arthur Balfour, LL.D., D.C.L., of London, England, and it was 

 ordered, in accordance with the unanimous recommendation of the 

 Officers and Council, that a special election for a foreign member 

 be held at the next Stated Meeting. 



Afternoon Session — 2 o'clock. 

 William W. Keen, M.D., LL.D., President, in the Chair. 

 A portrait of L Alinis Hays, M.D., Dean of the Wistar Associa- 

 tion, was presented by J. G. Rosengarten, LL.D., on behalf of the 

 Wistar Association, and in the twenty-first year of Dr. Hays's Sec- 

 retaryship of the Society. 



President Keen, on behalf of the Society, accepted the portrait 

 with thanks. 



The following papers were read : 

 Symposium on Aeronautics : 



" Dynamical Aspects," by Arthur Gordon Webster, Ph.D., 



D.Sc, LL.D., Member of Naval Consulting Board. 

 " Physical Aspects," by Brigadier General George O. 

 Squier, Ph.D., Chief of Signal Corps, U. S. Army. (In- 

 troduced by Dr. Keen.) 

 " Mechanical Aspects," by William Frederick Durand, 

 Ph.D., Chairman of National Advisory Committee for 

 xA.eronautics. (Introduced by Dr. Walcott.) 

 " Aerology in Aid of Aeronautics," by W. R. Blair, Ph.D., 

 assistant, U. S. Weather Bureau. 

 Discussion : 



"Mathematical Aspects," by Edwin Bidwell Wilson, Ph.D., 

 Professor of Mathematics, Massachusetts Institute of 

 Technology. (Introduced by Dr. E. W. Brown.) 

 " Engineering Aspects," by Jerome C. Hunsaker, Eng.D.. 



