830 PROCEEDINGS OF THE AMERICAN ACADEMY 



Committee on the Library. 



Henry P. Bowditch, Amos E. Dolbear, 

 Edward J. Lowell. 



Auditing Committee. 

 Henry G. Denny, Thomas T. Bouv6. 



The following papers were presented by title : — 



On the Candle Power of Incandescent Lamps, as related 

 to Current, Voltage, and Energy consumed. By Louis A. 

 Ferguson and David A. Center. 



Notes on Zonaria variegata. By Herbert M. Richards. 



The Recording Secretary called the attention of the Acad- 

 emy to the proposed monument to be erected at Genne- 

 villiers, near Paris, to the memory of the celebrated sanita- 

 rian, Alfred Durand-Claye. 



Professor Dolbear made a communication on Vortex Rings, 

 and remarks on this subject were made bj^ Professor Story. 



Eight hundred and thirty-fifth Meeting. 



October 8, 1890. — Stated Meeting. 



The President in the chair. 



The Corresponding Secretary read a letter from the Presi- 

 dent of the Academy of Natural Sciences at Catania, an- 

 nouncing the death of Orazio Silvestri, Professor in the 

 University of Catania ; also, a letter from the President of 

 the Geographical Society of Berne,' announcing the approach- 

 ing meeting of the International Geographical Congress of 

 1891. 



Sir William Bowman, Bart., of London, was elected a 

 Foreign Honorary Member in Class II., Section 4, in place 

 of the late Franz Cornells Donders. 



On the motion of the Treasurer it was 



Voted., That Section 2 of Chapter I. of the statutes be 

 amended by substituting for it the following : — 



