OP ARTS AND SCIENCES. 519 



Expenditures. 



Investigations $500.00 



Accrued interest on bonds purchased . . . 70.13 $570.13 



Balance ~ ] ~ 994.57 



$1,564.70 

 Building Fund. 



Receipts. 



Balance from last year $30G.03 



Investments $240.00 



Income 21.55 261.55 



$567.58 

 Expenditures. 



Accrued interest on bonds purchased $28.06 



Balance 539.52 



$567.58 

 The following reports were also presented : — 



RErORT OF THE RuMFORD COMMITTEE. 



At the last Annual Meeting of the Academy, the sum of $1000 was 

 placed at the disposition of the Rum ford Committee for the furtherance 

 of researches in light and heat. 



The Committee has made the following appropriations from this fund : 



October 11, 1899, it was voted that an appropriation of $500 be made 

 to Professor Edwin B. Frost of the Yerkes Observatory, to assist in the 

 construction of a spectrograph especially designed for the measurement of 

 stellar velocities in the line of sight. 



January 10, 1900, it was voted that an appropriation of five hundred 

 dollars be made to Professor Edward C. Pickering of Harvard College 

 Observatory, for the purpose of carrying out an investigation on the 

 Brightness of Faint Stars by cooperation with certain observatories 

 possessing large telescopes. 



Furthermore, on January 10, 1900, the Committee voted to ask the 

 Academy to appropriate one hundred dollars from the income of the 

 Rumford Fund to Professor Theodore W. Richards of Harvard Univer- 

 sity, for a research on the Transition Point of Crystallized Salts, which 

 request was favorably acted upon by the Academy. 



And on April 9, 1900, the Committee voted to ask the Academy to 

 appropriate from the same source the sum of two hundred and fifty 



