VI CONTENTS OF VOL. XXXVI.— FIFTH SERIES. 



Page 

 On the Use of Cupric Nitrate in the Voltameter, and the 



Electro-chemical Equivalent of Copper, bj E. E. Beach . . 384 

 Note by Lord Kelvin on Electric Molecules for the Explan- 

 ation of the Piezo-electric and Pyro-electric Properties of 

 Crystals 384 



NUMBER CCXXIL— NOVEMBER. 



Mr. T. Proctor Hall on New Methods of Measuring the 

 Surface-Tension of Liquids 385 



Lord Kelvin on the Elasticity of a Crystal according to Bos- 

 covich 414 



Mr. J. H. Michell on the Highest Waves in Water 430 



K. Tsuruta on some Thermal Properties of a Mixture of 

 Carbonic Acid and Nitrogen 438 



Lord Kelvin on the Theory of Pyro-electricity and Piezo- 

 electricity of Crystals 453 



Dr. A. Richardson and Mr. J. Quick on a Modified Eorm of 

 Bunsen and Roscoe's Pendulum Actinometer 459 



Notices respecting New Books : — 



Mr. J. Payne's Practical Solid Geometry, and Mr. J. J. 

 Prince's Graphic Arithmetic and Statics 463 



On the Strength of the Electrical Waves when the Spark 

 passes in Oil, by H. Bauernberger 464 



NUMBER CCXXIIL— DECEMBER. 



Dr. Harry C. Jones on the Dissociation of Compounds in 

 Water as Measured by the Lowering of the Ereezing-Point, 

 and some Investigations with Organic Compounds. 



(Plates IV.-IX.) 465 



Mr. Sidney J. Lochner on the Elongation produced in Soft 



Iron by Magnetism 498 



Mr. William Sutherland on the Viscosity of Gases and Mole- 

 cular Eorce 507 



Mr. G. Udny Yule on the Passage of Electric Wave-trains 



through Layers of Electrolyte 531 



Notices respecting New Books : — 



Dr. J. Casey's Treatise on the Analytical Geometry of 



the Point, Line, Circle, and Conic Sections 545 



Dr. J. Traube's Practical Chemical Physics (Physikalisch- 



chemische Methoden) 546 



Dr. Lassar-Cohn's Arbeitsmethoden fiir Organisch- 

 chemische Laboratorien 547 



