616 
Proceedings at the Meetings. 
The following Communications were made : 
1. The orientation of 3 : 5-dichloropyrkline. By W. J. Sell, 
Sc.D., Christ’s College. 
2. The action of Metallic Magnesium on certain aliphatic acids, 
and the detection of formic acid. By H. J. H. Fenton, Sc.D., Christ’s 
College, and H. A. Sisson, B.A., Clare College. 
3. Some Coloui’-reactions of organic acids with phenols. By 
H. J. H. Fenton, Sc.D., Christ’s College, and G. Barr, B.A., 
Christ’s College. 
4. Contributions to the knowledge of the Oxaloimidochlorides. 
By S. Ruhemann, M.A., Gonville and Caius College. 
5. The absorption spectra of collidine and 9-chlor-collidine. By 
J. E. Purvis, M.A., St John’s College, and W. H. Foster, M.A., 
St John’s College. 
6. The decomposition and nitrification of sewage (1) in alkaline 
solutions, (2) in distilled water. By J. E. Purvis, M.A., St John’s 
College, and R. M. Court auld, M.A., Pembroke College. 
7. The influence of light and of copper on fermentation. By 
J. E. Purvis, M.A., St John’s College, and W. A. R. Wilks, B.A., 
Gonville and Caius College. 
8. Resolution of optically active ammonium salts by means of 
tartaric acid. By H. O. Jones, M.A., Clare College. 
9. Studies on Platinocyanides. By L. A. Levy, B.A., Clai’e 
College. (Communicated by Dr Fenton.) 
10. Orientation of substituted brom-anilines. By J. R. Hill, 
B.A., St John’s College. (Communicated by Mr H. O. Jones.) 
11. On the Solutions of Ordinary Linear Differential Equations 
having Doubly Periodic Coefficients. By J. Mercer, B.A., Trinity 
College. (Communicated by Dr Barnes.) 
J anuary 27th, 1908. 
In the Anatomy and Physiology Lecture Room. 
Dr Hobson, President, in the Chair. 
The following was elected a Fellow of the Society : 
Hugh Scott, B.A., Trinity College. 
The following was elected an Associate : 
E. P. Metcalfe, Emmanuel College. 
