INDEX. 



471 



Magnetism, on the action of, on gases 

 traversed by electric discharges, 

 211 ; on the action of, on the spec- 

 tra of gases, 398. 



Magnets, on the effect of small vari- 

 ations of temperature on steel, 

 335. 



Mathews (W.) on glacier-motion, 

 332, 415. 



Metal, on the reflection and refrac- 

 tion of light by thin layers of, 

 452. 



Milk, on the constitution of, 129. 



Mills (Dr. E. J.) on the atomic theory, 

 112. 



Mineral veins, on the origin of, 401. 



Morton (Dr. H.) on the colour of 

 fluorescent solutions, 393. 



Moseley (Canon) on the mechanical 

 impossibility of the descent of gla- 

 ciers by their weight only, 138 ; on 

 the steadv flow of a liquid, 184, 

 349. 



Muir (M. M. P.) on a native sulphide 

 of antimony from New Zealand, 

 236. 



Nature, on the universal powers of, 

 and their mutual dependence, 1. 



Nebular hypothesis, on the truth of 

 the, 399. 



Nerve-force, on the origin of, 413. 



Newall (W.) on the effect of small va- 

 riations of temperature on steel 

 magnets, 335. 



Norton (Prof. W. A.) on the physical 

 constitution of the sun, 55. 



Ocean-currents, on the physical cause 

 of, 241. 



Organic bodies, on the boiling-points 

 of, 393. 



Oxygen, on the spectra of, 397. 



Pendlebury (R.) on some definite in- 

 tegrals, 437. 



Perry (Rev. S. J.) on the dip and 

 horizontal force at Stonyhurst Col- 

 lege Observatory, 71. 



Phillips (J. A.) on the origin of mi- 

 neral veins, 401. 



Phosphorus chlorides, contributions 

 to the history of the, 305. 



Plane surface, on the law of the pro- 

 gress of accuracy in the process 

 for forming a, 107. 



Pratt (Archdeacon) on the thick- 

 ness of the earth's crust, 98, 280, 

 400. 



Preston (S. T.) on the direct conver- 

 sion of dynamic force into electri- 

 city, 53. 



Reinsch (P.) on the microscopic 

 structure of hail, 79. 



Reynolds (J. E.) on the absorption- 

 spectrum of chlorochromic anhy- 

 dride, 41. 



Rood (Prof. O. N.) on the amount of 

 time necessary for vision, 320. 



Roscoe (H. E.) on the measurement 

 of the chemical intensity of total 

 daylight made at Catania during 

 the total eclipse of 18/0, 382. 



Royal Society, proceedings of the, 71* 

 150, 223, 382. 



Salet (G.) on the spectra of sulphur, 

 318. 



Sarasin (E.) on the action of magne- 

 tism on gases traversed by electric 

 discharges, 211. 



Schwendler (L.) on an arrangement 

 for the discharge of long overland 

 telegraph-lines, 20; on the detec- 

 tion of bad insulators on telegraph- 

 lines, 103. 



Siemens (C. W.) on the increase of 

 electrical resistance in conductors 

 with rise of temperature, and its ap- 

 plication to the measure of tempe- 

 ratures, 150. 



Snow, on the influence of a covering 

 of, on climate, 156. . 



Soret (J. L.) on harmonic ratios in 

 spectra, 464. 



Spectra of gases, on the cause of the 

 interrupted, 41 ; of metallic va- 

 pours, on the reversal of the lines 

 of, 237; of the simple gases, on 

 the, 395 ; on the action of magne- 

 tism on the, 398 ; on harmonic 

 ratios in, 464. 



Spectroscope, on the testimony of the, 

 to the truth of the nebular hypo- 

 thesis, 399. 



Steam-gauge, on a new, 344. 



Steel, on the therm o-magnetic con- 

 stant of, 340. 



Stibnite, analysis of, 236. 



Stone (E. J.) on a decennial variation 

 of temperature at the Cape, 72. 



Stoney (G. J.) on the absorption- 

 spectrum of chlorochromic anhy- 

 dride, 41. 



Strutt (the Hon. J. W.) on the reflec- 

 tion of light from transparent mat- 



