[ 520 ] 



INDEX to VOL. XXIV. 



ADAMS Prize for 1889, subject for 

 the, 142. 



^Ether, on the relative motion of the 

 earth and the luminiferous, 449. 



Air, on the electrostatic force required 

 to produce sparks in, 106 ; on the 

 transmission of electrical currents 

 in, 374. 



Amagat (E.-H.) on the solidification 

 of liquids by pressure, 446. 



Atmospheric electricity, observations 

 on, 143. 



Ayrton (Prof. W. E.) on beams fixed 

 at the ends, 245. 



Batelli (A.) on the Thomson effect, 

 295. 



Battery, on a new voltaic, 447. 



Beams fixed at the ends, note on, 245. 



Biordinals, on binomial, 249. 



Bismuth, on the influence of mag- 

 netism on the thermoelectric be- 

 haviour of, 517. 



Boltzmann (Prof.) on the action of 

 magnetism on electrical discharges 

 in dilute gases, 373. 



Bonney (Dr. T. G.) on some of the 

 older rocks of Brittany, 139. 



Books, new: — Edgeworth's Metre- 

 tike, 134; Lunge's Coal-Tar and 

 Ammonia, 367 ; Roberts's Treatise 

 on the Integral Calculus, 517. 



Borgmann (J.) on the transmission 

 of electrical currents in air, 374. 



Bosanquet (R. H. M.) on sequences 

 of reversals, 60 ; on changes in the 

 torsion of a wire by change of tem- 

 perature, 160. 



Bottomley (J. T.) on expansion and 

 contraction with change of tempe- 

 rature in wires under stress, 314. 



Boys (C. V.) on an addition to Bun- 

 sen's ice-calorimeter, 214. 



Buchanan (J.) on hot gases as con- 

 ductors of electricity, 297. 



Bunsen's ice-calorimeter, on an ad- 

 dition to, 214. 



Burbury (S. H.) on the diffusion of 

 gases, 471. 



Burton (C. V.) on the "dimensions'" 

 of temperature in length, mass, 

 and time, and on an absolute C.G .S. 

 unit of temperature, 96; on the 

 value of " y " for a perfect gas, 166. 



Callaway (Dr. C.) on the conversion 

 of crystalline schists into igneous 

 rocks, 218. 



Calorimeter, on an addition to Bun- 

 sen's ice-, 214. 



Capacities, note on comparing, 233. 



Carbon, on the existence of, in the 

 sun, 310. 



Chalk valleys, on the origin of dry, 

 137. 



Chattock (A. P.) on a magnetic po- 

 tentiometer, 94. 



Chemistry, on integral weights in, 

 318. 



Chlorine, on the action of light on a 

 mixture of hydrogen and, 519. 



Chree (C.) on the conduction of heat 

 in liquids, 1. 



Clouds, on the cause of iridescence 

 in, 87, 422. 



Coal-seams, on the formation of, 289 j 

 on boulders found in, 291. 



Cobalt, on magnetic circular polari- 

 zation in, 445. 



Cockle (Sir J.) on binomial biordi- 

 nals, 249. 



Collie (Dr. N.) on the action of heat 

 on the salts of triethylbenzylphos- 

 phonium, 27. 



Conductance operators, on, 479. 



David (T. W.) on glacial action in 

 the Carboniferous andHawkesbury 

 series, N. S. W., 135. 



Davison (C.) on the relation between 

 the size of a planet and the rate of 



