PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. LI. No. 312. 



CONTENTS. 



April 28, 1892. 



PAGE 



I. On a decisive Test-case disproving the Maxwell-Boltzrnann Doctrine 



regarding Distribution of Kinetic Energy. By Lord Kelvin, Pres. K.S. 397 



II. Researches on Turacin, an Animal Pigment containing Copper : Part II. 

 By A. H. Chuech, M.A., F.R.S., Professor of Chemistry in the Royal 

 Academy cf Arts, London 399 



III. On the Mathematical Theory of Electro-magnetism. By Alex. 



McAulay, M.A., Ormond College, Melbourne . ... . . 400 



IV. Stellar Photometry. By W. J. Dibdin, F.I.C., F.C.S., &c. . . . 404 



V. On pome Phenomena connected with Cloudy Condensation. By John 



Aitken, F.R.S . . . 408 



List of Presents . . . . . . ... . .439 



Price One Shilling and Sixpence* 



July 22, 1892. 



