VII. On the Dispersion in Artificial Double Refraction. By L. N. G. FILON, M.A., 



D.Sc., Fellow and Lecturer in Mathematics of University College, London. 

 Communicated by Professor F. T. TROUTON, F.R.S. page 263 



VIII. The Distribution of Blue- Violet Light in the Solar Corona on August 30, 1005, 

 as derived from Photographs taken at Kalaa-es-Senam, Tunisia. By 

 L. BECKEK, Ph.D., Regius Professor of Astronomy in the University of 

 Glasgow. Communicated by the JOINT PERMANENT ECLIPSE COMMITTEE. 307 



IX. On the Surf ace- Tension of Liquids Investigated by the Method of Jet Vibration. 



By P. O. PEDERSEN. Communicated by Lord RAYLEIGH, O.M., Pres.R.S. 341 



X. The Normal Weston Cadmium Cell. By F. E. SMITH, A.K.C.Sc. (From the 



National Physical Laboratory). Communicated by R. T. GLAZEBROOK, 

 F.R.S. 393 



XI. Electric Furnace Reactions under High Gaseous Pressures. By R. S. HUTTON 



and J. E. PETAVEL. Communicated by Professor A. SCHUSTER, F.R.S. 421 



XII. A New Current Weigher and a Determination of the Electromotive Force of the 



Normal Weston Cadmium Cell. By Professor W. E. AYRTON, F.K.S., and 

 T. MATHER, F.R.S., Central Technical College, London, and F. E. SMITH, 

 A.R.C.Sc., National Physical Laboratory, Teddington ....'.. 463 



XIII. The Silver Voltameter. Part 1. By F. E. SMITH, A.R.C.Sc., and T. MATHER, 

 F.R.S. Part II. By F. E. SMITH, A.R.C.Sc., and T. M. LOWRY, D.Sc. 

 Communicated by R. T. GLAZEBROOK, F.R.S. (From the National Physical 

 Laboratory) 545 



Index to Volume 601 



