Ill 
On the Electrolysis of Ethyl Potassium Diethoxysuccinate. By Professor 
Crum Brown and Dr H. W. Bolam, ..... 
Note on the Passage of Water and other Substances through India- 
rubber Films. By B. A. Lundie, M.A., M.B., B.Sc., F.B.C.S.Ed. 
(With a Plate), ........ 
Note on Finding the Logarithmic Sines and Tangents of Small Arcs. 
By J. Burgess, C.I.E., LL.D., ...... 
On the Theory of Archimeric Segmentation and its bearing upon the 
Phyletic Classification of the Coelomata. By A. T. Masterman, D.Sc., 
On a supposed Resemblance between the Marine Faunas of the Arctic 
and Antarctic Regions. By D’Arcy Wentworth Thompson, C.B., 
Note on Dew Bows. By C. G. Knott, D.Sc., and R. A. Lundie, M.A., 
B.Sc., M.B., C.M., 
On the Eliminant of a Set of Quadrics, Ternary or Quaternary. By 
E. J. Nanson. ( Communicated by Professor Chrystal), 
Note on the Compressibility of Solutions of Sugar. By Professor Tait, . 
Dust Figures of Electrostatic Lines of Force. By David Robertson, 
A. G.T.C. {Communicated by Professor Jamieson), 
On the Reflexion and Refraction of Solitary Plane Waves at a Plane 
Interface between two Isotropic Elastic Mediums — Fluid, Solid, or 
Ether. By Lord Kelvin, G.C.Y.O., ..... 
Symmetrical Solution of the Ellipse-Glissette Elimination Problem. 
By the Hon. Lord M‘Laren, ...... 
The Action of Persulphates on Iodine. By Hugh Marshall, D.Sc., 
On some Oceanographic Problems. By Vice- Admiral S. Makaroff, 
Imperial Russian Navy. (Plates I. to XII.), .... 
On the Survey by the S.S. “Britannia” of the Cable Route between 
Bermuda, Turk’s Islands, and Jamaica. By R. E. Peake, M.Inst. C.E. 
With Descriptions by Sir John Murray, K.C.B., E.R.S., of the Marine 
Deposits brought home. {Communicated by Sir John Murray.) (With 
a Map), ......... 
The Energy of the Rontgen Rays. By Rev. Alexander Moffat, M.A., 
B. Sc. {Communicated by Dr C. G. Knott), .... 
On Nernst’s “ Osmotic Experiment” and a Definition of Osmotic Pressure. 
By Professor Crum Brown, ...... 
Determination of the Sign of a Single Term of a Determinant. By 
Thomas Muir, LL.D., ....... 
Tidal Currents of the North Sea. By Alexander Buchan, LL.D., F.R.S., 
On the Development and Morphology of the Marsupial Shoulder-Girdle. 
By R. Broom, M.D., B.Sc. {Communicated by Sir William Turner), 
Equilibrium between Sulphuric Acid and Sulphates in Aqueous Solution. 
By Sydney A. Kay, B.Sc. {Communicated by Professor Walker), 
Application of Sellmeier’s Dynamical Theory to the Dark Lines D 1? D 2 
produced by Sodium- Vapour. By Lord Kelvin, G.C.V.O., P.R.S.E., 
Note on Polarisation Phenomena observed in Quantitative Electrolytic 
Determinations. By Hugh Marshall, D.Sc. 
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