IV CONTENTS OF VOL. XXXVII. FIFTH SERIES. 



Page 

 Mr. James Swinburne on a Potentiometer for Alternating 



Currents 201 



Prof. G. M. Minchin on the Calculation of the Magnetic Field 



of a Current running in a Cylindrical Coil 204 



Profs. William Ramsay and Sydney Young on the Thermal 



Behaviour of Liquids 215 



Mr. W. Huey Steele on a Thermoelectric Diagram for some 



Pure Metals 218 



Dr. J. McCowan on Ridge-Lines and Lines connected with 



them 227 



Notices respecting New Books : — 



Mr. A. E. H. Love's Treatise on the Mathematical 



Theory of Elasticity 237 



Mr. J. E. Blake's Annals of British Geology, 1892 .... 239 

 On the Nature of the Reflexion of Electrical Waves at the 

 End of a Conducting Wire, by MM. Kr. Birkeland and 



E. Sarasin 241 



Densities in the Earth's Crust, by A. J. Jukes-Browne ... . . 244 



NUMBER CCXXVI.— MARCH. 



Prof. Arthur Smithells on the Luminosity of Gases " 245 



Dr. Alfred M. Mayer : Researches in Acoustics 259 



Mr. John Daniel : A Study of the Polarization upon a Thin 



Metal Partition in a Voltameter. — Part II 288 



Prof. Gr. M. Minchin on the Calculation of the Coefficient of 

 Self-induction of a Circular Current of given Aperture and 



Cross-Section 300 



M. P. Rudski on the Thermodynamics of the Sun 304 



Dr. G-. Gore on the Changes of Temperature caused by Con- 

 tact of Liquids with Powdered Silica, &c. 306 



Dr. G. Johnstone Stoney on the Limits of Vision: with 



special Reference to the Vision of Insects 316 



Notices respecting New Books : — 



Dr. Siegfried Czapski's Theorie der Optischen Instru- 



mente nach Abbe 331 



Dr. P. Molenbroek's Anwendung der Quaternionen auf 



der Geometrie 332 



E. Wiedemann and H. Ebert's Physikalisches Prak- 

 tikum, mit besonderer Beriicksichtigung der phy- 



sikalisch-chemischen Methoden .'. 334 



Pierre de Heen's La Chaleur 335 



On the Magnetization of Soft Iron, by M. P. Joubin 336 



On the Experimental Investigation of the Rotational Coeffi- 

 cients of Thermal Conductivity, by Ch. Saret 338 



Mechanical Energy of Molecules of Gases, " Dr. G. Gore.. 340 



