532 



INDEX. 



Cambridge Philosophical Society, pro- 

 ceedings of the, 129, 365. 



Carotin, on, 523. 



Cayley (A.) on a system of imagina- 

 ries, 257. 



Challis (Rev. Prof.), report of pro- 

 ceedings in the Cambridge observa- 

 tory relative to the new planet, 33 ; 

 second report of proceedings in tlie 

 Cambridge observatory relating to 

 the new planet (Neptune), 241 ; on 

 a theory of luminous rays on the 

 hypothesis of undulations, 365 ; on 

 a theory of the polarization of light 

 on the hypothesis of undulations, ib. 



Chemical affinities, influence of stati- 

 cal and dynamical induction upon, 

 263. 



Chemistiy, animal, researches in, 412. 



Chikh-en (J. G.) on the use of a mix- 

 ture of spirit of wine and camphine, 

 as a light for optical purposes, 179. 



Chiolite, analysis and description of, 



70. 



Chromium, on the chromate of, 223. 



Cinchona, composition of, 294. 



Cloez (JI.) on sulphoxiphosvinic acid 

 and its compounds, 382. 



Clouston (C.) on the formation of 

 cylindi-ical masses of snow in Ork- 

 ney, 301. 



Cockle (J.) on some formidas which 

 serve to inchcate the limits of the 

 application of indeterminate me- 

 thods to the solution of certain 

 problems, 28. 



Cotfee as an antidote to acetate of 

 morphia, 301. 



Cohesion, on the common nature of, 

 437, 602. 



Comets, Halley's, reduction of the ob- 

 servations of, 207 ; on the elements 

 of several, 60 ; historical sm-vey of, 

 210. 



Cooke ( Isaac B.) on the use of a double 

 circuit in the measurement of elec- 

 trical forces, 385. 



Copjjcr, analyses of the native phos- 

 phates of, 68. 



Cruni (AV.) on a method for the ana- 

 lysis of bodies containing nitric acid, 

 and its application to explosive cot- 

 ton, 426. 



Cyanogen, on some compoimds of, 

 '378. 



Cyamu-ic acid, preparation of, 378. 



Daguerreotype pictures, on a method 

 of producing lights and shades in 

 equal perfection in, 213 ; observa- 

 tions relative to the action of the 

 red rays upon, 214. 



Damoiseau (Baron de), notice of the 

 late, 206. 



De la Rive (Auguste) on the voltaic 

 arc, 125. 



Delesse (M.) on the new mineral (bu- 

 ratite), 65 ; on villemite, 295. 



Descloizeaux (M.) on villemite, 295. 



(A.) on the principal geysirs of 



Iceland, 391. 



Differential equations, on the Rev. B. 

 Bronwin's method for, 6, 8j on a 

 class of, 96. 



Ditferentials, on the integration of 

 some equations in partial, 107. 



Dihydrite, analysis of, 69. 



Diopside, analysis of the white, 68. 



Distance, on the knowledge of, given 

 by binocular vision, 305. 



Dove (Prof.) on the phenomena ex- 

 hibited by polarized light, 465 ; on 

 the depolarization of light, 469. 



Draper (Dr. J. W.) on the existence 

 and mechanism of the negative or 

 protecting rays of the sun, 87 ; on 

 a singular property of gun-cotton 

 mixture, 299 ; on the production of 

 hght by heat, .345. 



Earushaw (S.) on the mathematical 

 theory of the two great solitary 

 waves of the first order, 129. 



Earth, on the figm-e and primitive 

 formation of the, 59 ; observations 

 respecting the form of the, 194. 



Eggs, on the yolk of, 463. 



Ehlite, analysis of, 69. 



Electrical forces, on the use of a 

 double circuit in the measurement 

 of, 385. 



Electricity, on the induction of atmo- 

 spheric, on the wu-es of the electric 

 telegraph, 186 ; experiments in, 

 368. 



Electro-magnetic rotation, on a new 

 instance of, 268. 



Encke (M.) on the newly-discovered 

 planet, 181. 



Equations, on the geometrical repre- 

 sentation of the roots of algebraic, 

 366. 



Erdmann (M.) on cixy[)icric acid — 

 styphnic acid, 148. 



