[ iv ] 
V. The Mechanism of the Electric Arc. By (Mrs.) Hertha Ayrton. Communi¬ 
cated by Professor J. Perry, F.R.S. .page 299 
VI. On Chemical Dynamics and Statics under the Influence of Light. By Meyer 
Wilderman, Ph.D., B.Sc. (Oxo7i.). Communicated by Dr. Ludwig Mond, 
F.R.S. .337 
AVI. Cycinogenesis in Plants .—Part II. The Great Millet, Sorghum vulgare. By 
AVyndham E. Duxstan, M.A., F.R.S., Director of the Scientific a7id 
Technical Department of the Imperial Institute, and Thomas A. Henry, 
D.Sc. Lo7id .399 
A llI. A Memoir on Integral Functions. By E. AV Barnes. M.A., Fellow of Trinity 
College, Cambridge. Communicated by Professor A. E. Forsyth, Sc.D., 
LL.D., F.R.S. .411 
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