OF ARTS AND SCIENCES. 331 



Eight hundred and forty-sixth Meeting. 



January 13, 1892. — Stated Meeting. 



The Academy met at the house of the Hon. Martin 

 Brimmer. 



The Vice-President in the chair. 



On the motion of the Recording Secretary, it was 



Voted, To meet on adjournment on the second Wednes- 

 day in February next. 



The chairman, in a brief address, announced that the Rum- 

 ford Premium had been awarded to Professor Edward C. 

 Pickering for his work on the photometry of the stars and 

 upon stellar spectra. 



Professor Pickering, in response, gave an account of the 

 photographic work under his direction at the various stations 

 in North and South America. 



Dr. William Everett announced the death, on the 19th of 

 December, 1891, of Sir George Biddell Airy, late Astronomer 

 Royal, at Greenwich, elected a Foreign Honorary Member on 

 the 25th of January, 1832, and since the death of Robert 

 Treat Paine, in 1885, the senior member of the Academy. 



Dr. William W. Jacques presented a paper entitled, 

 " What Electricity is." This paper was illustrated by a new 

 piece of apparatus invented by Dr. Jacques. 



In the discussion which followed, Professor Cross, Judge 

 Holmes, and Major Livermore participated. 



Eight hundred and forty-seventh Meeting. 



February 10, 1892. — Adjourned Stated Meeting. 



The Vice-President in the chair. 



The death on the 18th of January of Joseph Lovering, 

 President of the Academy, was announced, and the meeting 

 was devoted to a commemoration of his life and services. 



The Vice-President, Rev. Andrew P. Peabody, opened the 

 proceedings with the following words : — 



