573 



INDEX to VOL. VIII, 



AcKROYD (W.) on a visual phe- 

 nomenon, 334. 



Acoustics, on the present state of ex- 

 perimental, 290. 



Adams (Prof. W. G.) on measuring 

 polariscopes, 275. 



Airy (Sir G. B.) on the construction 

 and use of a scale for guaging cy- 

 lindrical measures of capacity, 246. 



Alloys, on the examination of certain, 

 by the aid of the induction-balance, 

 67. 



Aniline colours, on the dissociation 

 of, 136. 



Arago's rotation, on a mode of pro- 

 ducing, 286. 



Atomic weight, on the influence of, 

 305, 368, 461. 



Attwood (G.) on South-American 

 geology, 565. 



Auerbach (Dr. F.) on the passage of 

 the galvanic current through iron, 

 1, 138, 217. 



Aurora, on a new theory of the, 102. 



Ayrton (Prof. W. E.) on a neglected 

 principle that may be employed in 

 earthquake measurements, 30; on 

 structures in an earthquake country, 

 209. 



Baily (W.) on a mode of producing 

 Arago's rotation, 286. 



Barium, on the production of, from 

 barium-amalgam, 84. 



Barus (O.) on the relation between 

 the thermoelectric properties, the 

 specific resistance, and the hardness 

 of steel, 341. 



Bell telephone, on the source of sound 

 in the, 129. 



Berthelot (M.) on the galvanic oxi- 

 dation of gold, 594. 



Bicket (J. H.) on the dissociation of 

 aniline colours, 136. 



Books, new : — Gore's Art of Scien- 



tific Discovery, 252 ; Wheatstone's 

 Scientific Papers, 255 ; Newcomb's 

 Researches on the Motion of the 

 Moon, 332 ; Schwendler's Instruc- 

 tions for testing Telegraph Lines, 

 417; Eliot's Reports on the Me- 

 teorology of India in 1877-78, 562. 



Bosanquet (R. H. M.) on the present 

 state of experimental acoustics, 

 290. 



Boys (C. V.) on magneto-electric in- 

 duction, 449. 



Cables, on the theorv of faults in, 60, 

 163. 



Cadmium, on the separation and esti- 

 mation of, in the presence of zinc, 

 433. 



Calderon (Prof. S.) on the augitic 

 rocks of the Canary Islands, 569. 



Callaway (Dr. C.) on the pre-Cam- 

 brian rocks of Shropshire, 564. 



Carbon and carbohydrogen spectro- 

 scoped and spectrometed in 1879, 

 107. 



Carnelley (Dr. T.) on the influence 

 of atomic weight, 305, 368, 461. 



Champernowne (A.) on the Palaeo- 

 zoic districts of West Somerset, 

 419. 



Chemical affinity, on, 181. 



change, on the laws of, 121. 



operations, on a convenient 



source of heat for, 250. 



Clough (C. J.) on the Whin Sill of 

 Teesdale, 420. 



Colloids, on the fracture of, 25. 



Conjugate positions of two circular 

 coils of wire, on the, 412. 



Conroy (Sir J.) on the distribution 

 of heat in the visible spectrum, 203. 



Copper, on the separation of, from 

 cadmium and zinc, 433. 



tin alloys, on an analogy be- 

 tween the conductivity for heat 



