﻿INDEX. 



555 



LeConte (Prof. J.) on an optical illu- 

 sion, 266. 

 Leidenfrost's phenomenon, on the 

 theory of, 322. 



Light, from the sky, its polarization 

 and colour, on the, 107, 274; on 

 the polarization of, obliquely inci- 

 dent on parallel plates, 205 ; on the 

 successive polarization of, 398 ; on 

 the scattering of, by small particles, 

 447 ; on the connexion of the op- 

 tical and chemical absorption of, 

 549; on the chemical and mecha- 

 nical changes in haloid silver- salts 

 by, 550. 



Lightning, on the duration of flashes 

 of, 159. 



Line, on the attraction of a terminated 

 straight, 358. 



Liquid, on the uniform flow of a, 394. 



Liquids, on the specific heats of some, 

 134 ; on the capillary phenomena 

 of the common surface of two, 246, 

 370, 454 ; on the determination of 

 the density of, 443. 



Lunar activity, on some recent inves- 

 tigations relative to, 183. 



Magnetic spectra, on a method of 

 fixing and exhibiting, 476. 



Magnetism, on some experiments il- 

 lustrative of, 15 ; and static elec- 

 tricitv, on the relations of, 297, 368, 

 390." 



Mance (H.) on a method of measuring 

 the resistance of a conductor or of 

 a battery, 314; on the measure- 

 ment of the internal resistance of a 

 multiple battery by adjusting the 

 galvanometer to zero, 318. 



Marignac (C.) on the specific heats 

 of some liquids, 134. 



Matter, synthetical view of the forms 

 and forces of, 406. 



Mayer (Dr. A. M.) on a method of 

 fixing, photographing, and exhibit- 

 ing magnetic spectra, 476. 



Merz (S.) on a small universal stellar 

 spectroscope, 129. 



Metallic surfaces, on the polarization 

 of, in aqueous solutions, 310. 



Metals, on the electromotive force on 

 the contact of different, 18. 



Mineralogy of Nova Scotia, contribu- 

 tions to the, 270. 



Moseley (Canon) on the uniform flow 

 of a liquid, 394. 



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

 seen in total eclipses of the sun, 225. 

 Optical illusion, on an, 266. 

 Pendulum, on barometric compensa- 

 tion of the, 482. 

 Phillips (Prof. J.) on the eclipse of 



Dec. 22, 1870, 396. 

 (J. A.) on the chemical compo- 

 sition and microscopic constitution 

 of certain Cornish rocks, 87. 

 Photometry, on some analogous prin- 

 ciples of, and the law of attraction, 

 241. 

 Planets, on secondary, in small orbits, 



508. 

 Pratt (Archdeacon) on the constitu- 

 tion of the solid crust of the earth, 

 307. 

 Proctor (R. A.) on the zodiacal light, 

 53; on the use of eye-screens in 

 telescopic and other researches, 79. 

 Quincke (G.) on the capillary pheno- 

 mena of the common surface of two 

 liquids, 246, 370, 454. 

 Rankine (Dr. W. J. M.) on the hypo- 

 thesis of molecular motions in ther- 

 modynamics, 62; on the mathema- 

 tical theory of combined streams, 67. 

 Raynard (A. C.) on the zodiacal light, 



484. _ 

 Refraction, on double, 519. 

 Resonance, on the theory of, 239. 

 Rocks, on the chemical composition 

 and microscopic constitution of cer- 

 tain, 87. 

 Rood (O.N.) on the duration of flashes 



of lightning, 159. 

 Royal Geological Society of Ireland, 

 proceedings of the, 155. 



Institution, proceedings of the, 



398. 



Society, proceedings of the, 67, 



239, 306, 394, 537. 

 Schellbach (K. H.) on acoustic repul- 

 sion and attraction, 418. 

 Schultz-Sellack (C.) on the sensitive- 

 ness to light of the silver haloid 

 compounds, 549 ; on the chemical 

 and mechanical changes in haloid 

 silver-salts by light, 550. 

 Sharpe (S.) on the curve of a river's 



bed, 321. 

 Silliman (Prof. J. M.) on the exami- 

 nation of the Bessemer-flame with 

 coloured glasses and with the spec- 

 troscope, 1. 



