522 Proceedings at the Meetings. 



May 16th, 1904. 



In the Cavendish Laboratory. 



Dr Baker, President, in the Chair. 



The following Communications were made : 



1. Note on the Zeeman effect for an atom of six corpuscles at the 

 corners of a regular octahedron. By J. J. Thomson, M.A., Trinity 

 College, Professor of Experimental Physics. 



2. The effect of screening on the ionization in closed vessels. By 

 A. Wood. (Communicated by Professor Thomson.) 



3. Quasi radio-activity produced by the point discharge. By S. A. 

 Edmonds. (Communicated by Professor Thomson.) 



4. Magnetic deflexion of the current of negative electricity from 

 a hot platinum wire. By G. Owen. (Communicated by Professor 

 Thomson.) 



5. On the absorption of Ultra-Violet Light in different Gases. 

 By W. M. Varley, B.A., Emmanuel College. (Communicated by 

 Professor Thomson.) 



6. Note on the atomic weight of Bismuth. By R. H. Adie, M.A., 

 Trinity College. 



7. Note on Compounds containing an asymmetric nitrogen and an 

 asymmetric carbon atom. By H. 0. Jones, M.A., Clare College. 



8. The Spatial Configuration of Trivalent Nitrogen Compounds. 

 By H. O. Jones, M.A, Clare College, and J. P. Millington, B.A., 

 Christ's College. 



9. Relations among Perpetuants. By A. Young, M.A., Clare 

 College. 



10. On the proportion of the Sexes among the Todas. By R. C. 

 Punnett, M.A., Gonville and Caius College, and W. H. R. Rivers, 

 M.A., St John's College. 



