624 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Tlie following papers, embodying the results of researches aided by 

 appropriations from the Rumford Fund, have been printed in Volume 

 XXXVIl. of the Proceedings of the Academy : — 



" The Visible Radiation from Carbon," by Edward L. Nichols. 



" The Arc Spectrum of Hydrogen," by O. H. Basquin. 



" The Probable Source of the Heat of Chemical Combination and a 

 New Atomic Hypothesis," by Theodore William Richards. 



Reports of the progress of unfinished researches which have been 

 aided by grants from the Rumford Fund have been received from the 

 following persons : Messrs. Artliur L. Clark, Henry Crew, Edwin B. 

 Frost, George E. Hale, Frank A. Laws, Charles E. Mendenhall, Ernest 

 F. Nichols, Arthur A. Noyes, Edward C. Pickering, Theodore W. Rich- 

 ards, Wallace C. Sabine, R. W. Wood. 



The following recommendations have been voted by the Committee, 

 and are now presented to the Academy for its consideration. 



On February 12, 1902, it was voted to ask the Academy to appropri- 

 ate the sum of seven hundred and fifty dollars from the income of the 

 Rumford Fund to be expended for the construction of a mercurial com- 

 pression pump designed by Professor Theodore W. Richards, and to be 

 used in his research on the Thomson-Joule Effect. 



At the meeting of April 9, 1902, it was voted to request the Academy 

 to appropriate the sura of one thousand dollars from the income of the 

 Rumford Fund, for the immediate needs of the Committee in further- 

 ance of research, and also to appropriate the sum of one hundred and 

 fifty dollars from the same source for the purchase and binding of 

 periodicals. 



At the meeting of May 14, 1902, it was voted to ask the Academy to 

 reappropriate from the income of the Rumford Fund the unexpended 

 balance of the amount granted at the last annual meeting, for the pur- 

 chase and binding of books on light and heat for the Library. 



The Committee has considered at length the question of an award of 

 the Rumford Premium, and at the meeting of April 9 it was unani- 

 mously voted for the first time, and at the meeting of May 14 it was 

 unanimously voted for the second time, to recommend tio the Academy 

 that such award be made to Professor George E. Hale, Director of the 

 Yerkes Observatory, for his investigations in Solar and Stellar Physics, 

 and in particular for the invention and perfection of the Spectro- 

 heliograph. 



Chas. R. Cross, Chairman. 



