^889.] Proceedings of Scientific Societ'.cs. 845 
Succinylo-succinic Acid. — 15 min. — Adolph Bayer, Munich, Ger- 
many, and A. W. Noyes. 
Estimation of Bromine in Presence of Chlorine. — 10 min. — Albert 
B. Prescott. 
On the Acquisition of Atmosi)heric Nitrogen by Plants. — 20 min. — 
W. O. Atwater. 
Discussion of the Report of Committee on the Formation of a 
National Chemical Society. 
Food Preparation.— 10 min. — By Fred. Hoffman. 
The Composition of Ontario Oats.— 10 min.— By C. C. James. 
Jadeite and Nephrite. — 15 min.— By L. P. Kinnicutt. 
Continuation of the Discussion upon the Report of the Committee 
upon the Spelling and Pronunciation of Chemical Terms. 
Results of Recent Experiments to Determine the Resistance of Air 
to Inclined Planes in Motion, with applications to the problems of 
Soaring Pigeons.— 20 min.— By O. Chanute. 
Experimental Comparison of the Performance of Steam Injectors 
vs. a Duplex Steam Pump.— 35 min.— By E. B, Perry. 
On the Preservation of Timber.— 15 min.— By O. Chanute. 
On the Relative Economy of Modern Air Compressors. Illustra- 
tions by Lantern.— 40 min.— By J. E. Denton. 
Note on Performance of a Pumping Engine. — 10 min. — By M. E. 
Cooley. 
New Device for Autographic Registry of Extension in Tension 
Tests.— 15 min.— By Thos. Gray. 
Notes on Anti-friction Construction for Revolving Mechanism for 
Observatory Domes.— 10 min. — By W. R. Warner. 
Note on Performance of a Vibrating Piston Engine. — 10 min. — By 
M. E. Cooley. 
Probable Principal Cause of Superior Economy of Multiple Expan- 
sion Engines.— 10 min.— By J. E. Denton. 
Exhibition of a Novel Motor. 
