378 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Professor George D. Birklioff. "Einstein's Generalized Rela- 

 tivity or Theorv of Gravitation." 



Mr. George R. Agassiz. "Astronomical Footnotes to the Ein- 

 stein Theories." 



Discussion followed by Elihu Thomson, E. H. Hall, W. E. Story, 

 A. G. Webster, W. S. Franklin, E. B. ^Yilson, E. V. Hmitington, 

 and A. C. Lane. 



The ^Meeting was then dissolved. 



One thousand and ninety-fourth Meeting 



November 10, 1920. — Stated Meeting. 



The Academy met at its House at 8.15 p.m. 



The President in the Chair. 



Thirty-nine Fellows and two guests were present. 



The Transactions of the last ^Meeting were read and approved. 



On the recommendation of the Council, it was 



Voted, That from the income of the General Fund an appropria- 

 tion of two hundred dollars (S200) be made for Expense of Library. 



The Corresponding Secretary reported that to fill a vacancy in 

 the Council, the Council had elected Desmond FitzGerald, Class L, 

 Section 4. 



The President announced the death of the following Fellows: 

 Harmon Northrop Morse, Class I., Section 3 (Chemistry) ; Arthur 

 Searle, Class L, Section 1 (Alathematics and Astronomy). 



The President announced that he had appointed E. B. Wilson, 

 C. H. Wan-en, and F. N. Robinson as the Committee of three to 

 consider the whole question of elections to the Academy. 



The following Communication was presented: 



Mr. Dows Dunham. "The Sudanese Pyramid," with lantern 

 slide illustrations from Dr. Reisner's excavations. 



The following paper was presented by title : 



" The Motion of a Particle on a Surface for any positional Field 

 of Force." By Joseph Lipka. 



The ^Meeting was then dissolved. 



