INDEX. 



557 



Electricity, atmospheric, researches 

 on, 327, 360. 



Electrolysis, on the transmission of, 

 across glass, 126. 



Electromotive force, on the measure- 

 ment of, 316. 



Electrostatic force, on the measure- 

 ment of, 233. 



Ellipse, on a theorem relating to the 

 attraction of the, 125. 



Engelhardt (M.) on the formation of 

 ice at the bottom of water, 166. 



Equations, algebraic, on a system of, 

 341. 



Equilibrium, on new figures of, for 

 revolving fluids, 119. 



Ethylene, on the oxide of, 290. 



Eyes, on the focal power of, for hori- 

 zontal and vertical rays, 480. 



Falconer (Dr.) on the ossiferous caves 

 of Gower, 241. 



Ferns, fossil, observations on some, 

 485. > 



Fessel (F.) on the sensitiveness of the 

 human ear to the pitch of musical 

 notes, 523. 



Fisher (Rev. O.) on the denudation 

 of soft strata, 483. 



Fittig (M.) on the preparation and 

 properties of pinakone, 201. 



FitzRoy(Rear-Admiral)onthe storms t 

 of October and November 1859, 65. 

 * Flame, on the spectra of different 

 f kinds of, 169. 



Fluid shell, on the form assumed by 

 a, revolving within a hollow sphe- 

 roid, 426. 



Fluids, on new figures of equilibrium 

 for revolving, 119; in motion, on 

 the thermal effects of, 552. 



Fluor-spar, on the occurrence of 

 ozone in, 515. 



Fluozirconates, on the, 87. 



Forbes (D.) on Darwinite, a new mi- 

 neral from Chile, 423. 

 / Fremy (M.) on the colouring matter 

 of leaves, 142. 



Freund (M.) on the synthesis of ace- 

 tone, 201. 

 Frohde (M.) on collinic acid, 521. 

 Fulminic acid, researches on, 295. 



Functions, rational, on approximation 



to the integrals of, 446. 

 Furfurol, researches on, 381. 

 Galvanic force, on a theory of, 431. 

 Gases, illustrations of the dynamical 



theory of, 21 ; on the liquefaction 

 of, 202 ; on the conduction of heat 

 by, 510. 

 Gassiot (J. P.) on the voltaic discharge 

 in vacuo, 74 ; on vacua as indicated 

 by the mercurial siphon-gauge and , 

 the electrical discharge, 223 ; on , 

 the luminous discharge of voltaic | 

 batteries, 540 ; on the application 1 p * 

 of luminous discharges to the pur- ( (F*~ 

 poses of illumination, 550. 

 Gaugain (M.) on the law of propaga- 

 tion of electricity in imperfect con- 

 ductors, 401. 

 Geological Society, proceedings of 



the, 84, 164, 400, 483. 

 Geuther (M.) on acroleine, 200. 

 Gladstone (Dr. J.' H.) on the electric 

 light of mercury, 249 ; on the lines 

 of the solar spectrum, 385. 

 Glycol, on compounds of, 41. 

 Gore (G.) on the movements of liquid *■> 

 metals and electrolytes in the vol- 

 taic circuit, 149 ; on an apparatus 

 for generating hydrogen and other **" 

 gases, 405. 

 Granite, on the origin of, 175. 

 Greg (R. P.) on the periodicity of the 

 solar spots and induced meteorolo- 

 gical disturbances, 246, 271. 

 Griess (P.) on a new method of sub- 

 stitution, 226. 

 Grove (W. R.) on the transmission of 



electrolysis across glass, 126. 

 Harley (Dr. G.) on the saccharine 



function of the liver, 224. 

 Hauer (M. v.) on selenic acid and se- 



leniates, 296. 

 Heat, on the relation between the ra- 

 diating and absorbing powers of 

 bodies for, 1 ; on the decomposition 

 of bodies by, 448 ; on the conduc- 

 tion of, by gases, 510. 

 Hofmann(I)r.) on the polyammonias, 



66. 

 Hopkins (T.) on the forces that pro- 

 duce the great currents of the air 

 and of the ocean, 74. 

 Hiibner (M.) on acroleine, 200. 

 Ice, on the formation of, at the 

 bottom of water, 166 ; on a remark- 

 able shower of, 168 ; on the density 

 of, 248. 

 Inductive spark, on the, 441. — . ■ i...— 



Integration, symmetrical, illustrations 

 of, 348. 



