CONTENTS of N° 240.— Fifth Series. 



XL. Tests of Glow-Lainps, and Description of the Measuring 

 Instruments Employed. By Prof. W. E. Ayeton, F.R.S., and 

 E. A. Medley page 389 



XLI. On the Change of Form of Long Waves advancing in a 

 Eectangular Canal, and on a New Type of Long Stationary Waves. 

 By Dr. D. J. Koeteweg, Professor of Mathematics in the Uni- 

 versity of Amsterdam, and Dr. G. de Veies 422 



XLII. The Tin-Chromic Chloride Cell. By S. Skinnee, M.A. . 444 



XLIII. Some Acoustical Experiments. By Chaeles V.Bueton, 

 D.Sc, Demonstrator in Physics, University College, London 447 



XLIV. Glacier-Grains. By E. M. Deeley 453 



XLV. On the Kinetic Interpretation of the Dissipation Function. 

 By Dr. Ladislas Natanson, Professor of Natural Philosophy, Uni- 

 versity of Cracow 455 



XLVI. Experiments on the Radiation of Heated Gases. By 

 John Eyeeshed. (Plate VII.) 460 



XL VII. Intelligence and Miscellaneous Articles : — 



On the Rotational Coefficients of Thermal Conductivity in 

 Crystals, by M. Charles Soret 476 



*** It is requested that all Communications for this Work may be addressed, 

 post-paid, to the Care of Messrs. Taylor and Francis, Printing Office, Red 

 Lion Court, Fleet Street, London. 



