No. 312. — April 28, 1892. 



Page 



On a decisive Test-case disproving the Maxwell-Boltzmann Doctrine 

 regarding Distribution of Kinetic Energy. By Lord Kelvin, Pres. 

 KS 397 



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

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

 Academy of Arts, London 399 



On the Mathematical Theory of Electro-magnetism. By Alex. McAulay, 

 M.A., Ormond College, Melbourne 400 



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



On some Phenomena connected with Cloudy Condensation. By John 

 Aitken, F.R.S 408 



List of Presents 439 



No. 313.— May 5, 1892. 



List of Candidates recommended for Election 443 



Transmission of Sunlight through the Earth's Atmosphere. Part II. 

 Scattering at different Altitudes. By Captain W. de W. Abney, C.B., 

 D.C.L., F.R.S 444 



On the Simultaneity of Magnetic Variations at different places on occa- 

 sions of Magnetic Disturbance, and on the relation between Magnetic 

 and Earth Current Phenomena. By William Ellis, F.R.A.S., Super- 

 intendent of the Magnetical and Meteorological Department, Royal 



Observatory, Greenwich 445 



On the Liquation of Metals of the Platinum Group. By Edward 

 Matthey, F.C.S., F.S.A., Ass. Roy. Sch. Mines 447 



The Potential of an Anchor Ring. By F. W. Dyson, Fellow of Trinity 

 College, Cambridge 448 



On the Residues of Powers of Numbers for any Composite Modulus, 

 Real or Complex. By Geoffrey T. Bennett, B.A 452 



List of Presents 453 



May 12, 1892. 



Transformers. By John Perry, D.Sc, F.R.S 455 



On the Probable Effect of the Limitation of the Number of Ordinary 

 Fellows elected into the Royal Society to Fifteen in each Year on 

 the eventual total Number of Fellows. By Lieut. -General R. Strachey, 

 R.E., F.R.S 463 



On the Shoulder Girdle in Ichthyosauria and Sauropterygia. By J. W. 

 Hulke, F.R.S 471 



On the Embryology of Angiopteris evecta, Hofm. By J. Bretland 

 Farmer, M.A., Fellow of Magdalen College, Oxford 471 



Note on Excretion in Sponges. By George Bidder 474 



List of Presents 484 



