VI 



Pa^e 



On Stratified Discharges. VII. Multiple Radiations from the Negative 

 Terminal. By William Spottiswoode, President R.S., and J. Fletcher 

 Moulton, F.R.S 338 



Note on the Existence in the King Crab {Limulus polyphemus) of Stig- 

 mata corresponding to the Respiratory Stigmata of the Pulmonate 

 Arachnida, and on the Morphological Agreements between Limulus 

 and Scorpio. By E. Ray Lankester, M.A., F.R.S., Jodrell Professor of 

 Zoology in University College, London 391 



Effects of Stress on the Thermoelectric Quality of Metals. Part I. By 

 J. A. Ewing, B.Sc, F.R.S.E., Professor of Mechanical Engineering in 

 the University of Tokio, Japan 399 



On the Reversal of the Lines of Metallic Vapours. No. VIII. (Iron, 

 Titanium, Chromium, and Aluminium.) By G. D. Liveing, M.A., 

 F.R.S., Professor of Chemistry, and J. Dewar, M.A., F.R.S., Jackso- 

 nian Professor, University of Cambridge 402 



Note on a Comparison of the Diurnal Ranges of Magnetic Decimation at 

 Toronto and Kew. By Balfour Stewart, LL.D., F.R.S., and William 

 Dodgson 406 



On the Absorption of Gases by Solids. By J. B. Hannay, F.R.S.E., 

 F.C.S 407 



On the States of Matter. By J. B. Hannay, F.R.S.E., F.C.S 408 



The Relation of the White Blood Corpuscles to the Coagulation of the 

 Blood. By L. C. Wooldridge, B.Sc. Lond., Physiologische Anstalt, 

 Leipzig 413 



A New Line of Research bearing on the Physiology of Sugar in the 

 Animal System. By F. W. Pavy, M.D., F.R.S 418 



On the Stresses caused in the Interior of the Earth by the Weight of 

 Continents and Mountains. By G. H. Darwin, F.R.S , 432 



On the Refraction of Electricity. By Alfred Tribe, F.I.C., Lecturer on 

 Chemistry in Dulwich College 435 



Note on the Spectrum of Sodium. By Captain W. de W. Abney, R.E., 

 F.R.S. , 443 



Formulae of sn 8u, cn 8u, dn 8u, in terms of sn u. By Ernest H. 

 Glaisher, B.A., Trinity College, Cambridge 444 



On Riccati's Equation and its Transformations, and on some Definite 

 Integrals which satisfy them. By J. W. L. Glaisher, M.A., F.R.S., 

 Fellow of Trinity College, Cambridge 444 



Sur la Surface de l'Onde, et Theoremes relatifs aux Lignes de Courbure 

 des Surfaces du Second Ordre. Par A. Mannheim 447 



On certain Definite Integrals. No. 9. By W. H. L. Russell, F.R.S 450 



On the Influence of Coal-dust in Colliery Explosions. No. III. By W. 

 Galloway 454 



No. 215. 



The Molecular A'olunic of Solids. By E. Wilson 457 



