470 PRQCEEDINGS OF THE AMERICAN ACADEMY 



Committee on the Library. 



Henry P. Bowditch, William R. Nichols, 

 Henky W. Haynes. 



Auditing Committee. 

 Henry G. Denny, Robert W. Hooper. 



The following papers were presented : — 



" Recent Volcanic Phenomena on the Hawaiian Islands." 

 By William T. Brigliam. 



" The Flow of Lava Streams as illustrated by the Hawaiian 

 Eruption of 1881." By William T. Brigham. 



The following papers were presented by title : — 



Contributions from the Chemical Laboratory of Harvard 

 College : — 



1. " On Turmerol." By C. Loring Jackson and A. E. 

 Menke. 



2. " On Curcumin." By C. Loring Jackson and A. E. 

 Menke. 



3. " On the Action of Phosphorous Trichloride on Aniline." 

 By C. Loring Jackson and A. E. Menke. 



4. " On the Action of Sodic Ethylate on Benzaldehyde." 

 Bv C. Loring Jackson and G. T. Hartshorn. 



5. " On the Action of Concentrated Hydrobromic Acid 

 upon Miicobromic Acid and other Related Substances." By 

 Henry B. Hill. 



6. " On the Action of Alkaline Hydrates upon Mucobromic 

 Acid." By Henry B. Hill and E. K. Sterns. 



7. " On Phenoxychloracrylic Acid." By M. Loeb. 



8. " On the Determination of Nitrites with Potassic Per- 

 manganate." By L. P. Kinnicutt and J. U. Nef. 



0. " On the Determination of Sulphites with Potassic Per- 

 manganate." By L. P. Kinnicutt and R. Penrose. 



" Weber's Theory of Magnetism." By John Trowbridge 

 and C. B. Penrose. 



On the motion of the Corresponding Secretary, it was 



Voted, To adjourn this meeting to the second Wednesday 

 in June. 



