[ 573 ] 

 INDEX to VOL. XLVIII. 



A.IR, on tbe velocity of electric 

 waves in, 115 ; on the ratio of the 

 specific heats of, 286 ; on the ve- 

 locity and mass of the ions in the 

 electric wind in, 401. 



Amalgams, on the variation of the 

 resistance of certain, with tem- 

 perature, 433. 



Amperemeter, on a new form of, 

 204. 



Arnold-Bemrose (H.) on a sill and 

 faulted inlier in Tideswell Dale, 

 160. 



Ashton (A. W.) on the magnetic 

 hystere-ds of cobalt, 271. 



Barton (Dr. E. H.) on the criterion 

 for the oscillatory discharge of a 

 condenser, 143, 148. 



Bather (F. A.) on a pebble from 

 Bowdon, 398. 



Beams, on the elastic stability of 

 long, under transverse forces, 298. 



Beattie (Prof. J. C.) on the leakage 

 of electricity from charged bodies 

 at moderate temperatures, 97. 



Bonuey (Prof. T. G.) on varieties of 

 serpentine in Anglesey, 160 ; on 

 the relations of the chalk and drift 

 in Mcien and Riigen, 161. 



Books, new .— Wrapson and Gee's 

 Mathematical and Physical Tables, 

 158 ; Weber's Lehrbueh der Al- 

 gebra, 240 ; Heaviside's Electro- 

 magnetic Theory, vol. ii., 309; 

 Poincare's La Theorie de Maxwell 

 etles Oscillations Hertziennes, 313; 

 Lippmann's Unites Flectriques 

 absolues, 393 ; McAulay's Octo- 

 nions, 394 : Korn's Abhandlnng 

 uber Dynarnik, von D'Alembert, 

 395 ; Hobbs's The Arithmetic of 

 Electrical Measurements, 396 ; 

 Reychler's Outlines of Physical 

 Chemistry, 484 ; Crew's Elements 

 of Physics, 569. 



Brace (Prof. D. B.) on achromatic 

 polarization and differential double 

 refraction, 345 ; on a new spectro- 

 photometer and an optical method 

 of calibration, 420. 



Buckman (S. S.) on gravel at More- 

 ton-in-the Marsh, 159. 



<admiurn amalgams, variations of 



Phil. Mag. S. 5. Vol. 48. No. 



the resistance of, with temp jrature, 

 444. 



Cadmium standard cells, on, 152. 



Calibration, on an optical method of'. 

 420. 



Callendar ( Prof . II. L.) on a practical 

 thermometric standard, 519. 



Capillarity, investigations in, 321. 



Cathode rays, on the reflexion of tin'. 

 132 ; on the dispersion of the, by 

 magnetic force, 478. 



Cells, on cadmium standard, 152. 



Chabot (J. J. T.) on a possible me- 

 chanism of magnetization, 319. 



Chattock (Prof. A. P.) on the ther- 

 mal conductivity of water, 46 : on 

 the velocity and mass of the ions 

 in the electric wind in air, 401. 



Chree (Dr. C.) on denudation and de- 

 position, 156. 



Clough ( C. T. ) on spinel and forsterit'' 

 from the Glenelg limestone, 162. 



Coagulative power of electrolvtes, on 

 the, 474. 



Cobalt, on the maguetic hvsteresis 

 of, 271. 



Cole (G. A. J.) on a critical junction 

 in Tyrone, 162. 



Condenser, criterion for the oscil- 

 latory discharge of a, 143, 148. 



Conductivity, on the thermal, of 

 water, 46. 



Contact theory, on the, 241, 255. 



Dakyns (J. li.) on the limestone- 

 knolls below Thorpe Fell, 313. 



Davies (B.) on a new form of am- 

 peremeter and voltmeter, 204. 



Davison (Dr. C.) on the Corui-h 

 earthquakes of 1898, 571. 



Density-point, on the maximum, 1 14: 

 on the maximum, of liquids, 506. 



Denudation and deposition, on, 156, 



Discharges, on the explosive effects 

 of electrical, 279. 



Dispersion, on the theory of anoma- 

 lous, 151. 



Double refraction, on differential, 

 345; on accidental, in liquids. 

 485. 



Drops, on the size of, 321. 



Earth, examples of the reflexion and 

 refraction of elastic waved in the 

 substance of the, 84. 



295. Dec. 189i». 2 S 



