INDEX. 



467 



Le Sueur (A.) on the great Melbourne 

 telescope, 377- 



Light, on the dispersion of, 105. 



Lime, on the spectrum of, 303. 



Liquids, on the adhesion between, 

 and solids, 1 90 ; of high dispersive 

 power, on, 229; on the magnetic 

 rotatory polarization of, 393; on 

 the boiling in conjunction of two, 

 which do not mix, 463. 



Loewy (B.) on solar physics, 53. 



Lorenz (L.) on the molecular theory 

 and laws of electricity, 390. 



Lucas (M.) on the duration of the 

 electric spark, 78. 



Lungs, on the rapidity of the absorp- 

 tion of carbonic oxide by the, 150. 



Luvini (Prof. G.) on the adhesion 

 between solids and liquids, 190. 



Magnesia, on the spectrum of, 303. 



Magnetism of electrodynamic spirals, 

 on the, 264. 



Manganese elements, on Leclanche's, 

 460. 



Maxwell (Dr. J. C.) on hills and dales, 

 421. 



Merz (S.) on an object-glass spectral 

 apparatus, 294. 



Meteor of Nov. 19, 1870, observations 

 on the, 440. 



Mills (Dr. E. J.) on the chemical 

 activity of nitrates, 134 j on che- 

 mical substance and chemical func- 

 tions, 259. 



Moon, on the radiation of heat from 

 the, 372. 



Moon (R.) on the solution of linear 

 partial differential equations, 35, 

 149 ; on the equation of Laplace's 

 coefficients, 434. 



Moseley (Canon) on the cause of the 

 descent of glaciers, 1 . 



Miiller (J.) on Leclanche's manga- 

 nese elements, 460. 



Nebulae, on a theory of, 300 ; note on 

 spiral, 389. 



Nippoldt (A.) on the extension of 

 Ohm's law to electrolytes, and on 

 the numerical determination of the 

 resistance of dilute sulphuric acid, 

 227. 



Nitrates, on the chemical activity of, 

 134. 



Ocean-currents, on the physical cause 

 of, 233. 



Optometer, remarks on a new, 3rl0. 



Phillips (S. E.) on a simple method 



of constructing high electrical re- 

 sistance, 41. 



Plateau (Prof.) on the figures of equi- 

 librium of a liquid mass without 

 weight, 355. 



Polarization, on the magnetic rotatory, 

 of liquids, 393. 



Pratt (Archdeacon) on the method of 

 determining the thickness of the 

 earth's crust by the precession and 

 nutation of the earth's axis, 10. 



Projectiles, on the melting of leaden, 

 by their impact upon an iron plate, 

 462. 



Rankine (Dr. W. J. M.) on thermody- 

 namics, 103,291 ; on the thermody- 

 namic acceleration and retardation 

 of streams, 288 ; on the meteor of 

 November 19, 1870,440; on Mr. 

 Heppel's theory of continuous 

 beams, 457. 



Refractive indices and dispersion of 

 opaque bodies, on the, 105. 



Resistances, oti a new method of de- 

 termining, 441. 



Roscoe (Prof. H. E.) on the relation 

 between the sun's altitude and che- 

 mical intensity, 56 ; on vanadium, 

 62. 



Rosse (Earl of) on the construction 

 of thermopiles, 569 ; on the radia- 

 tion of heat from the moon, 372. 



Royal Society, proceedings of the, 53, 

 128, 221, 302, 369, 446. 



Saline solutions, on supersaturated, 

 221 ; on the action of low tempera- 

 tures on supersaturated, 295. 



Seabroke (G. M.) on the nature of the 

 corona, 117- 



Seebeck (A.) on the propagation of 

 sound in tubes, 231. 



Smyth (Prof. C. P.) on supra-annual 

 cycles of temperature in the earth's 

 surface-crust, 58. 



Solar physics, researches on, 53. 



protuberances, on, 427. 



Solids and liquids, on the adhesion 

 between, 190. 



Sondhauss (Dr.) on the tones of 

 heated tubes and aerial vibrations 

 in pipes of various forms, 211. 



Sound, on the velocity of the propa- 

 gation of, in water, 76 ; on the pro- 

 pagation of, in tubes, 231. 



Spectral apparatus, on an object-glass, 

 294. 



Stewart (Dr. B.) on solar physics, 53. 



