549 



INDEX to VOL. Ill 



-/xBNEY (Capt.) on the alkaline 

 development of the photographic 

 image, 46 ; on fixed lines in the 

 ultra-red region of the spectrum, 

 222. 



Acoustical observations, 456. 



Acoustics, on the application of the 

 principle of reciprocity to, 300. 



Adams (Prof. W. G.) on the action 

 of light on selenium, 295. 



^Ethereal nodes, on, 203. 



Alcohol, on the action of the flame 

 of, upon the metal palladium, 35. 



Andrews (Prof. T.) on the gaseous 

 state of matter, 63. 



Avenarius (Prof.) on thermo-electric 

 phenomena, 156, 349. 



Aymonnet (M.) on the diatherma- 

 neity of metals and of paper, 396. 



Barium nitrate, on some remarkable 

 crystals of, 453. 



Barometer, on a sensitive mercury, 

 139. 



Battery-resistance, on a modification 

 of Mance's method of measuring, 

 515. 



Baynes (R. E.) on the steam and 

 hoar-frost lines of water-substance, 

 512. 



Benoit (R.) on the determination of 

 the polar distance in magnets, 

 236. 



Bertrand (E.) on the law of twinning 

 and hemihedrism of leucophane, 

 357. 



Boltzmann (Prof. L.) on the nature 

 of gas molecules, 320. 



Bornstein (Dr. K.) on the influ- 

 ence of light upon the electrical 

 resistance of metals, 481. , 



Books new : — Mascart's Traite d'E- 

 lectricite Statique, 58; Bosan- 

 quet's Trisection of an Angle, 61 ; 

 Carruthers's Earth supported by 

 Vapour, 02 ; Fleming's Vocabu- 

 lary of Philosophv, 141 ; Cayley's 

 Elliptic Functions, 223 ; William- 

 son's Differential Calculus, 227; 

 Gilbert's Colorado-Plateau Region, 

 386; Unwin's Elements of Machine 



Design, 464; Hobson's Amateur 

 Mechanic's Practical Handbook, 

 526; Whitaker's Geology of Essex, 

 527. 



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

 of sound, 271, 343, 418. 



Bourbouze (M.) on the action of 

 magnetism on a rotating disk, 

 157. 



Bouty (Dr. E.) on the magnetization 

 of steel by currents, 119, 192. 



Camera lucida, on the employment 

 of a silvered glass as a, 541. 



Carbon, on the presence of solid, in 

 luminous hydrocarbon flames, 381. 



Cayley (A.) on the number of univa- 

 lent radicals CrcHsrc+i, 34. 



Cerium, on the specific heat of, 117. 



Challis (Prof.) on a theory of the 

 action of the cup-shaped radiome- 

 ter, 278, 395. 



Chase (Prof. P. E.) on the nebular 

 hypothesis, 203. 



Clarke (Prof. F. W.) on molecular 

 volumes, 398. 



Coal-pebbles, on the derivation of, 

 541. 



Colour, on the sensation of, 543. 



Conroy (Sir J.) on the absorption- 

 spectra of iodine, 68. 



Contact-breaker, on a rapid, 535. 



Continuants, on a theorem in, 137, 

 360. 



Cooper (W. J.) on a method of de- 

 termining the amount of proteine 

 compounds in vegetable sub- 

 stances, 382. 



Crookes (W.) on repulsion resulting 

 from radiation, 231 ; on the theory 

 of the radiometer, 467. 



Croullebois (M.) on the reflection of 

 polarized light, 397. 



Crystallographic notes, 453. 



Cumulative resolution, on, 492. 



Darwin (G. H.) on the obliquity of 

 planets to their orbits, 188. 



Day (R. E.) on the action of ligh 

 on selenium, 295. 



Dechant (Prof. J.) on the polarized 

 light of the rainbow, 319. 



