826 PKOCEEDINGS OF THE AMERICAN ACADEMY. 



Communications were presented by Professor E. B. Wilson on 

 "The Mechanics of the Motion of Aeroplanes"; by Professor 



A. G. Webster on "The Elementary Principles of Flight"; by 

 Lieutenant J. C. Hunsaker on "The Experimental Determination 

 of the Dynamical Properties of Aeroplanes"; by Mr. G. C. 

 Loening on "The Construction of Aeroplanes"; by Lieutenant 



B. Q. Jones on "The Manoeuvring of Aeroplanes." 

 The meeting then adjourned. 



One thousand and fifty-fifth Meeting. 



March 8, 1916. — Stated Meeting. 



The Academy met at its House. 

 The President in the Chair. 



There were twenty Fellows and four guests present. 

 A letter was presented from Mr. Alfred Marshall, accepting 

 Foreign Honorary Membership. 



The Corresponding Secretary announced the receipt of memoirs 

 of deceased Fellows as follows: in Class L, Sir David Gill, Edward 

 S. Holden, and George Davidson, by W. W^ Campbell; John 

 Ulric Nef, by J. O. Stieglitz; in Class II., Charles Sedgwick 

 Minot, by W. T. Councilman ; Ferdinand Freiherr von Richthofen, 

 by R. A. Daly; Frederic Ward Putnam, by R. B. Dixon; John 

 Henry Wright, by C. B. Gulick; Gaston Boissier, by E. K. Rand. 

 The Chair appointed the following Councillors to act as Nomi- 

 nating Committee: — 



Arthur D. Little, of Class L, 

 George H. Parker, of Class H., 

 Frank W. Taussig, of Class HL 

 On recommendation of the Council, the following appropriations 

 were made for the ensuing year : — 



From the income of the General Fund, $5550, to be used as fol- 

 lows: — 



for House expenses $1600. 



for Library expenses 1500. 



for Books, periodicals and binding 1000. 



for Meeting expenses 250. 



for Treasurer's office 800 . 



for General expenses -400 . 



