556 



INDEX. 



Chmoulevitch (M.) on the influence of 

 heat on the mechanical force of 

 frogs' muscle, 403. 



Chromium, on crystallized oxide of, 

 223. 



Clairault's theorem, on Prof. Stokes's 

 proof of, 25. 



Claudet (A.) on the optics of photo- 

 graphy, 231. 



Climate, on the influence of a change 

 in the obliquity of the ecliptic on, 

 127,328. 



Cloud, on the moon's influence on, 

 61, 143, 218, 544. 



Clouds, on the colour of, 275, 356. 



Cockle (Chief Justice) on the conver- 

 sion of integrals, 442. 



Coffee, on an apparatus for the detec- 

 tion of adulterations in, 104. 



Cold, on an apparatus for the produc- 

 tion of, 29. 



Collingwood (Dr. C.) on a horizontal 

 rainbow observed at sea, 440. 



Colouring-matters, on the analysis of, 

 144, 228. 



Comets and meteors, on the connexion 

 between, 188. 



Croll (J.) on the change in the obli- 

 quity of the ecliptic and its influ- 

 ence on climate, 1 27 ; on the theory 

 of gravitation and the constitution 

 of matter, 449. 



Crystalline form and chemical consti- 

 tution, on a connexion between, 

 178. 



Curves, on a property of certain, 65. 



Dana (Prof. J. D.) on a connexion 

 between crystalline form and che- 

 mical constitution, 178; on the 

 system of mineralogical nomencla- 

 ture, 407. 



Davey (R. R. F.) on Sir B. Brodie's 

 " Ideal Chemistry," 50. 



De la Rive (A.) on the electrical con- 

 dition of the terrestrial globe, 322 ; 

 on a photometer for measuring the 

 transparence of the air, 241 ; on M. 

 Faraday, his life and works, 409. 



De Luca (M.) on the action of sul- 

 phurous acid on sulphuretted hy- 

 drogen, 221. 



Desains (P.) on the absorbing action 

 of volatile liquids and their vapours 

 on the heat from a lamp with a 

 glass chimney, 72 ; on the absorp- 

 tion of obscure heat, 327. 



Douglas (J.) on the source of muscu- 

 lar force, 273. 



Draper (Prof. J. C.) on an apparatus 

 for the detection of adulterations in 

 coffee, 104. 



Ecliptic, on the change in the obli- 

 quity of the, and its influence on 

 climate, 127, 328. 



Electric charges, on an apparatus for 

 multiplying and maintaining, 391. 



Electrical condition of the terrestrial 

 globe, on the, 322. 



currents, on the identity of, with 



the vibrations of light, 287 ; on the 

 mechanical theory of, 382. 



phenomenon of induction, on 2 



new, 533. 



Electricity, experimental researches 

 in, 81 ; on a new and powerful ge- 

 nerator of dynamic, 96 ; results of 

 observations of atmosphei ic, 543. 



Electrodes, on the polarization of the, 

 553. 



Electrodynamics, contributions to, 

 368. 



Electroscopic notices, 549. 



Ellis (W.) on the tendency to disper- 

 sion of cloud under a full moon, 61, 

 218. 



Ethylbenzoic acid, on the preparation 

 and constitution of, 507. 



Evening-glow, on the theory of the, 

 275, 356. 



Everett (Dr. J. D.) on results of ob- 

 servations of atmospheric electri- 

 city at Kew and at Windsor, Nova 

 Scotia, 543. 



Faraday (M.), life and works of, 409. 



Favre (M.) on thermal action in che- 

 mical processes, 227. 



Fittig (M.) on the hydrocarbons, 506 ; 

 on mesitylene, 510. 



Fluorescence, on negative, 108. 



Forbes's (D.) researches in British 

 mineralogy, 329. 



Fremy (M.) on the preparation of 

 crystals, 224. 



Friedel (M.) on zincethyl, 508. 



Fruits, on the metamorphosis of, 

 during maturation, 226. 



Garfield (T.) on the action of sunlight 

 on glass, 514. 



Galvanic circuits, on a new method of 

 determining the resistance of, 11. 



Gases, on a method of determining 

 the specific gravity of, 1 ; on the 



