Proceedings at the Meetings. 595 



May 'IZrd, 1910. 



In the Chemical Laboratory, 



De Fenton, Yice-Peesident, in the Chair. 



The following was elected a Fellow of the Society : 



C. E. Raven, B.A., Emmanuel College. 



The following were elected Associates : 



H. T. Swain, Emmanuel College. 

 T. Harris, Emmanuel College. 



The following Communications were made : 



1. The Resolution of Externally Compensated Bases into their 

 optically active components. By Professor Pope and J. Read. 



2. The Resolution of Dihydropapaverine. By Professor Pope and 

 C. S. Gibson. 



3. Further study of the Products of Chlorination of a-Picoline. 

 By Dr Sell. 



4. Formation of uric acid derivatives. By Dr Fenton and 

 W. A. R. WiLKS, B.A., Gonville and Caius College. 



5. On Water of Crystallisation in Calcium Phosphate. By 

 C. T. Heycock, M.A., King's College. 



6. (1) The Diketopyrrolines and their analogues. (2) The for- 

 mation of a- and y-pyrones from acetylenic acids. By S. Ruhemann, 

 M.A., Gonville and Caius College. 



7. The reduction of nitrosyl chloride. By H. O. Jones, M.A., 

 Clare College, and J. K. Matthews, B.A., Downing College. 



8. Absorption of bromine by lime. By W. A. R. Wilks, B.A., 

 Gonville and Caius College. (Communicated by Dr Fenton.) 



9. Note on the adsorption of acids by carbohydrates. By F. 

 Robinson, B.A. (Communicated by Dr Fenton.) 



10. A hollow vortex in a polygon. By Sir George Greenhill. 



11. On a dissymmetry in the emission of cathode particles excited 

 by homogeneous Rontgen radiation. By R. T. Beatty. (Communi- 

 cated by Professor Sir J. J. Thomson.) 



12. Note on the transmission of ^-rays. By J. A. Crowther,. 

 M.A., St John's College. 



13. On the Mobilities of the Ions produced in Air by Ultra-Violet 

 Light. By A. Ll. Hughes. (Communicated by Professor Sir J. J. 

 Thomson.) 



VOL. XV. PT. VI. 39 



