410 PROCEEDINGS OF THE AMERICAN ACADEMY 



solicit from Mr. Adams the manuscript of this discourse, in 

 order that it may be published along with the addresses 

 which were pronounced on that interesting occasion. 



Voted, That the Fellows of the Academy desire to place 

 upon record their grateful sense of the great value of their 

 late President's services for the seven years in which he has 

 filled the chair formerly occupied by his illustrious father and 

 grandfather ; and they proffer their best wishes for the res- 

 toration of his health in the respite from official duties which 

 he finds it needful to seek. 



On the motion of President Eliot, it was 



Voted, That the thanks of the Academy be presented to 

 the committee which made the excellent arrangements for 

 the celebration of the Academy's hundredth anniversary on 

 May 26th, and particularly to the Honorable Robert C. Win- 

 throp for the very interesting and appropriate address which 

 he delivered on the occasion, in the unexpected absence of 

 the President. 



The following report was read : — 



Report of the Rumford Committee. 



" Since the last annual report, Professor Rowland's elaborate in- 

 vestigation in relation to the mechanical equivalent of heat has been 

 completed, and the results are printed at length in the current volume 

 of Proceedings. 



" The experiments of Mr. Holman, under the direction of Professor 

 Cross, on the viscosity of gases, have been continued, but are not yet 

 ready for publication. 



"Other researches are in progress by members of the Committee or 

 under their direction : those of Dr. Gibbs on measurements with the 

 spectrometer ; those of Professor Trowbridge on the heat developed 

 by the magnetizing and demagnetizing of metals ; and those of Mr. 

 Edmands on atmospheric refraction. 



" Tiie Committee, with the consent of the Academy, took advantage 

 of an opportunity not likely to occur again, for obtaining a copy of 

 the standard metre of the French Government. 



" They l)ave also had the satisfaction of seeing their recommendatiou 

 of the Rumford Premium to Professor J. Willard Gibbs approved by 

 the Academy. 



