VI CONTENTS OF VOL. XVII. FIFTH SERIES. 



Page 

 Mr. W. N. Shaw on a Practical Point in connexion with the 



Comparison of Resistances. (Plate XIII.) 398 



Mr. H. Tomlinson's Note on Hall's Phenomenon 400 



Notices respecting New Books : — 



Dr. T. Loewy's Common Sensibles : Die Gemein-Ideen 

 des Gesichts- und Tastsinns naoh Locke und Berkeley 



und Experimenten an operirten Blindgeborenen 403 



Journal and Proceedings of the Eoyal Society of New 



South Wales, 1882 406 



New Method of Determining the Magnetic Inclination with 



the Induction-Compass, by M. Wild . 407 



On the Heating of Iron by Discontinuous Magnetization, by 



J. Borgmann 409 



Minor Acoustical Experiments, by Prof. F. Fuchs 410 



Psychrometrical Investigations, by J. M. Pernter 412 



NUMBEE CVIIL— JUNE. 



Prof. Rowland on the Propagation of an Arbitrary Electro- 

 magnetic Disturbance, on Spherical Waves of Light, and 

 the Dynamical Theory of Diffraction 413 



Mr. R. H. M. Bosanquet on a Determination of the Horizontal 

 Component of the Earth's Magnetism at Oxford 438 



Prof. G. Quincke on the Measurement of Magnetic Forces by 

 means of Hydrostatic Pressure 447 



Messrs. Dobbie and Hutchesonon an Easy and Eapid Method 

 of Determining the Specific Gravity of Solids 459 



F. Guthrie on Eutexia 462 



Mr. W. Baily on an Integrating Anemometer. (Plates XIV. 

 & XV.) 482 



Notices respecting New Books : — 



Dr. H. Streintz's Physikalischen Grundlagen der Me- 

 chanik 487 



On the Boiling-point of Oxygen, of Air, and of Carbonic 

 Oxide under the ordinary Atmospheric Pressure, by M. S. 

 Wroblewski 490 



Atmospheric Electricity and the Sun's Action at a Distance, 

 by W. Holtz 492 



NUMBER CIX.— SUPPLEMENT. 



Prof. E. Edlund on the Magnitude of the Unipolar Induction 

 of the Earth 493 



Prof. S. P. Thompson on a Modified Resistance-Balance. 

 (Plate XVI.) 507 





