OF ARTS AND SCIENCES. 413 



Seven hundred and fifty-seventh Meeting. 



December 13, 1882. — Monthly Meeting. 



The President in the chair. 



The President announced the death of Professor Bischoff, 

 Foreign Honorary Member, 



Letters were read from Messrs. Studer and Ludwig, ac- 

 knowledging their election as Foreign Honorary Members. 



The following papers were presented: — 



On the Determination of the Diameters of Planets by the 

 Method of Inclined Lines. By William A. Rogers. 



Preliminary Notice of the Action of Phosphorous Trichlo- 

 ride on Anilin. By C. Loring Jackson and A. E. Menke. 



Professor Pickering gave an account of the observations 

 of the recent transit of Venus made at the Harvard College 

 Observatory. 



Mr. Searle made some remarks on the brightness of Venus 

 at the time of transit, and on the zodiacal light. 



Seven hundred and fifty-eighth Meeting. 



January 10, 1883. — Stated Meeting. 



The Vice-President in the chair. 



On the motion of the Corresponding Secretary, it was 



Voted, That, when the Academy adjourn, it adjourn to the 

 second Wednesday in February. 



The following papers were presented by title : — 



On the Products of the Dry Distillation of Wood at Low 

 Temperatures. By Charles F. Mabery. 



On certain Substituted Acrylic and Propionic Acids. By 

 Charles F. Mabery and Franklin C. Robinson. 



On the Decomposition of Chlortribrompropionic Acid. By 

 Charles F. Mabery. 



