﻿INDEX. 



483 



Magneto-electric current, on a pro- 

 perty of the, 54. 

 Marcet (Dr. W.) on the falsetto or 

 head-sounds of the human voice, 

 289. 

 Marignac (Prof. C.) on the latent 

 heat of volatilization of sal-ammo- 

 niac, 318. 

 Metals, on a new method of estima- 

 ting minute traces of, 80. 

 Meteorites, on the luminous, thermal, 

 and acoustic phenomena attending 

 the fall of, 246. 

 Meyer (Dr. E.) on the heating of a 

 disk rotating in a vacuum, 26, 97, 

 287. 

 Mills (Dr. E. J.) on statical and dy- 

 namical ideas in chemistry, 461. 

 Mineralogy of Nova Scotia, contribu- 

 tions to the, 264 ; researches in 

 British, 321. 

 Mirage in the English Channel, on a, 



400. 

 Moon, on Hansen's theory of the 



physical constitution of the, 32. 

 Moon (R.) on the theory of sound, 



189. 

 Moseley (Canon) on the mechanical 

 impossibility of the descent of gla- 

 ciers by their weight only, 229,363; 

 on the uniform motion of an im- 

 perfect fluid, 370. 

 Motion, lecture experiments to illus- 

 trate the laws of, 332. 

 Newcomb (S.) on Hansen's theory of 

 the physical constitution of the 

 moon, 32. 

 Nitrogen, on the coloration of per- 

 oxide of, 312 5 on the spectra of, 

 422. 

 Norton (Prof. W. A.) on the funda- 

 mental principles of molecular phy- 

 sics, 98. 

 Olefiant gas, on the spectrum of, 



212. 

 Optometers, on shadow-, 340. 

 Organic bodies, on the action of de- 

 hydrating agents on, 20. 

 Oxalic ethers, on the action of chlo- 

 ride of zinc on the, 25. 

 Oxygen, on the spectra of, 417. 

 Ozone, on the generation of, in oxy- 

 gen and in air under the influence 

 of the condensed electrical spark, 

 79. 

 Paalzow (Dr.) on the galvanic resist- 

 ance of liquids, 271. 



Paget (F. A.) on a new form of per- 

 manent magnet, 18. 

 Palladium, on the relation of hydro- 

 gen to, 122 ; on the voltaic deport- 

 ment of, 474. 

 Parnell (J.) on a mirage in the En- 

 glish Channel, 400. 

 Patry (E.) on the electrical polarity 

 and inequality of the amalgamated 

 zinc electrodes in sulphate of zinc, 

 475. 

 Peacock (R. A.) on geological time, 

 and the probable date of the gla- 

 cial period, 206. 

 Photometer, description of a new, 293. 

 Physics, on the fundamental princi- 

 ples of molecular, 98, 182, 275,348, 

 431. 

 Poggendorff (Prof.) on the voltaic 



deportment of palladium, 474. 

 Poppe (A.) on the shape of the flame 



of a Bunsen's burner, 160. 

 Precipitates, on the washing of, 1. 

 Pyridine, on the artificial production 



of, 20. 

 Roval Institution, proceedings of the, 



395. 

 Roval Society, proceedings of the, 65, 



141, 227, 306, 384, 468. 

 Rupert's drops, on a development of 

 heat which accompanies the burst- 

 ing of, 478. 

 St.-Edme (M.) on the generation of 

 ozone in oxygen and in air under 

 the influence of the electric spark, 

 79. 

 Sal-ammoniac, on the latent heat of 



volatilization of, 318. 

 Salet (M.) on the coloration of per- 

 oxide of nitrogen, 312. 

 Sea, on extraordinary agitations of 

 the, not produced by winds or tides, 



Silicoborocalcite, on a new locality 



for, 270. 

 Sky, on the blue colour of the, 384. 

 Smith (M. H.) on the action of de- 



hydrating agents on organic bodies, 



20. 



Soret (L.) on the colour of the Lake 

 of Geneva, 345. 



Sound, on the theory of, 189. 



Spectra of the flames of gases contain- 

 ing carbon, on the, 208. 



Spectrum, on the formation of an ar- 

 tificial, with one Fraunhofer's line, 

 235. 



