534 



INDEX. 



optical investigation of polarized 

 light, 218 ; on the alleged scatter- 

 ing of positive electricity by light, 

 437. 



Geological climatology, on some 

 points in, 273. 



Geological Society, proceedings of 

 the, 77, 142, 519. 



Glacial action in Australia in Permo- 

 carboniferous time, on, 522. 



Griffiths (E. H.) on the latent heat 

 of evaporation of benzene, 1. 



Haga (H.) on the influence of elec- 

 trical waves on the galvanic re- 

 sistance of metallic conductors, 

 79. 



Harker (A.) on certain granophyres 

 in Strath, 523. 



Heat of evaporation of benzene, on 

 the latent, 1 : of different liquids 

 at their boiling-points, 38. 



Hicks (Dr. H.) on the Movte slates, 

 521. 



Hill (Eev.E.) on transported boulder 

 clay, 521. 



Hill ( W.) on a delimitation of the 

 Cenomanian, 146. 



Holman (Prof. S. W.) on thermo- 

 electric interpolation formulas, 

 465. 



Hull (Prof. E.) on the geology of 

 the Nile valley, 524. 



Humphreys (W. J.) on the solution 

 and diffusion of certain metals in 

 mercury, 384. 



Hvperbolas, on methods of drawing, 

 72, 372. 



Ice Age, on the probable causes of 

 the, 267. 



Image, on the relation between the 

 brightness of an object and that of 

 its, 504. 



Interference experiment with elec- 

 trical waves, on an, 151. 



Interpolation formulae, on thermo- 

 electric, 465. 



Iodine, on the absorption spectrum 

 of solutions of, above the critical 

 temperature, 423. 



Irreversible phenomena, on the laws 

 of, 385. 



Jones (Dr. E. T.) on magnetic 

 tractive force, 153 ; on the effects 

 of magnetic stress in magneto- 

 striction, 454. 



Jukes-Brown (A. J.) on a delimita- 

 tion of the Cenomanian, 146. 



Kelvin bridge, on an adjustment of 

 the, 506. 



Kolguev Island, on the geoloR-y of, 

 77. 



Lag, on a method of determining the 

 angle of, 369. 



Lamplugh (G. W.) on the Speeton 

 series in Yorkshire and Lincoln- 

 shire, 519. 



Lanchester (F. W.) on the radial 

 cursor : a new addition to the 

 slide-rule, 52. 



Lang (Prof, von) on an interference 

 experiment with electrical waves, 

 151. 



Lea (M. 0.) on the absence of Eont- 

 gen rays from sunlight, 528 



Le Bon (G.) on black light, 235. 



Lees (Dr. 0. H.) on a simple appa- 

 ratus for determining the thermal 

 conductivities of cements, &c, 

 495. 



Lenses, on a graphical method for 

 finding the focal lengths of, 59, 

 152, 216, 383. 



Light, on the electro-optical investi- 

 gation of polarized, 218 ; on black, 

 235; on the alleged scattering of 

 positive electricity by, 437. 



Liquids, on a method of comparing 

 directly the heats of evaporation 

 of, at their boiling-points, 38. 



Lodge (Prof. O. J.) on elementary 

 teaching concerning focal lengths, 

 152. 



Luminosity of an object and that of 

 its image, on the relation between 

 the, 504. 



MacGregor (Prof. J. G.) on the cal- 

 culation of the conductivity of 

 mixtures of electrolytes, 276. 



Mcintosh (D.) on the conductivity 

 of mixtures of electrolytes having 

 a common ion, 510. 



Magnetic field of any cylindrical coil, 

 on the, 367. 



stress in magnetostriction, on 



the effects of, 454. 



tractive force, on, 153. 



Magnetic-curve tracer, on a con- 

 tinuous and alternating current, 

 106. 



Marr (J. E.) on the tarns of Lake- 

 land, 77. 



Marshall (Miss D.) on the latent 

 heat of evaporation of benzene, 1 ; 

 on a method of comparing directly 



