RECORDS OF MEETINGS- 565 



Nine hundred ninety-seventh Meeting. 



April 13, 1910. 



Vice-President Thomson in the chair. 



There were thirty-six Fellows and three guests present. 



The Corresponding Secretary read the following: — letters 

 from Charles P. Parker and Clifford H. Moore, accepting Resi- 

 dent Fellowship ; a letter from V. M. Slipher, accepting Associate 

 Fellowship ; a letter from John Ritchie, Jr., resigning Fellow- 

 ship; a card from the Historical Society of Pennsylvania, re- 

 questing the presence of the President at the opening of the 

 New Hall of the Society ; a letter and circulars from the Argen- 

 tine Scientific Society, concerning the International American 

 Scientific Congress to be held in Buenos Aires in July, 1910, 

 commemorating the Centenary of the Revolution of May, 1810; 

 circulars of the World's Congress of International Associations 

 to be held under the patronage of the Belgian government, in 

 May, 1910 ; circulars of the eleventh International Geological 

 Congress and the second International Agrogeological Confer- 

 ence to be held in Stockholm in 1910 ; a circular from the Bos- 

 ton-1915 Director, announcing the publication of " The Chronicle 

 of Boston-1915." 



The Chair announced the death of Alexander Agassiz, Resi- 

 dent Fellow in Class II., Section 3, and President of the Academy 

 from 1895 to 1903; of Morris Hicky Morgan, of Class III., 

 Section 2 ; and of William Graham Sumner, Associate Fellow 

 in Class III., Section 3. 



On motion of the Corresponding Secretary, it was 



Voted, To refer the appointment of delegates to the three 

 International Congresses, to the President. 



Vice-President Thomson announced that the Rumford Prem- 

 ium had been awarded to Professor Robert Williams Wood for 

 his discoveries in light, and particularly for his researches on 

 the optical properties of sodium and other metallic vapors. 



The two medals were then presented to Professor Wood, who 

 expressed his appreciation of the honor conferred upon him. 

 He then gave an address on " Photography with Invisible Rays." 



vol. xlv. 35 



