OF ARTS AND SCIENCES. 503 



Seven hundred and seventy-fourth Meeting, 



June 11, 1884. Adjourned Annual Meeting. 



The President in the chair. 



The Chairman of the Rumford Committee presented the 

 following report : — 



The Rumford Committee make the following report for the 

 year ending with the Annual Meeting of May 27, 1884. 



The Rumford medals awarded to Professor Rowland at the 

 last annual meeting, were struck at the United States Mint 

 in Philadelphia, and presented at the meeting of the Academy 

 on February 8th. 



The experiments in photographing on dry plates, authorized 

 by the Committee, have been continued under the direction of 

 Professor Pickering by Mr. W. H. Pickering, and the results 

 have been communicated to the Academy. 



The rich collection of observations in stellar photography 

 left by our late associate, Mr. Henry Draper, has been printed 

 in the Proceedings, under the direction of Professor Picker- 

 ing, from the income of the Rumford Fund. 



The long and careful series of observations on the Zodiacal 

 Light, by Mr. Arthur Searle, have also been printed in the 

 Proceedings from the income of the Rumford Fund. 



The Committee have also approved of the expenditures in- 

 cui'red by the Librarian, so far as the additions made to the 

 library relate to Light or Heat. 



The following summar}^ of charges against the income of 

 the Rumford Fund is appended to the report : — 



For the medals $346.50 



" " books 349.82 



" printing 428.18 



" photographic materials 34.14 



Total $1,158.64 



All which is respectfully submitted, 



Joseph Lovering, Chairman. 



