INDEX. 



611 



trate of strontian in the dark, 518 ; ac- 

 tion of nitric acid on castor oil, ib. ; 

 bleaching salts, ib. ; preparation of 

 chlorate of potash, ib. \ action of chlo- 

 rine on oxalic jether, 544 ; chloroxalic 

 aether, ii.; state of uritie in urea, 545 ; 

 limit to tlie action of certain chemical 

 reagents, 604. 



Chinese, the scholar's lute among the, 

 557. 



Chlorindatmit and chlorindopten, prepa- 

 ration of, 207. 



Chlorine, on a new compound of, wiih 

 cyanogen, 29; action of, on animal sub- 

 stances, 278; action of, on marsh gas, 

 284; bleaching salts of, 422; action of, 

 on oxalic ather, 544. 



Chlorisatinic acid, 208. 



Chlorospinelle, analysis of^ 122. 



Chlorovalerosic and chlorovaleriwc acids, 

 205. 



Chloroxalic aether, 544; compounds de- 

 rived from, 545. 



Chloroxamethane, isomorphism of oxame- 

 thane with, 372. 



Circuits of zinc and iron, on the intensity 

 of currents of, 42. 



Citric acid, on the products of, at high 

 temperatures, 285 ; crystallization of 

 water of, 289, 



Clock, description of the electro- magnetic, 

 139. 



Coals, on the formation of, 211; self- 

 combustion of, ib. 



Connell (A.) on the voltaic decomposition 

 of alcohol, 47, 241, 353. 



Copper, dioxide of, 212 ; native phosphate 

 of, 236; croconate of 292; sensibility 

 of a reagent for, 606. 



Corals, researches on, 375. 



Cow-tree, on the milk of the, 291. 



Crasso (G. L.) on the acid products of 

 citric acid at high temperatures, 285. 



Creuze (Mr.) on the structure of the 

 Royal George, and on the condition of 

 the timber, iron, &c., 231. 



Croconate of copper, 292. 



Croft and Francis's notices of the investi- 

 gations of continental chemists, 202, 

 276, 367, 436, 544; remarks on, 296; 

 errata in, 546. 



Crystals, biaxal, conical refraction in, 

 343. 



Ciimyle and oil of cumin, researches on, 

 415. 



Daguerreotype pictures, on the cause of 

 the production of, 301. 



Davy (Dr. J.), miscellaneous observations 

 on the torpedo, 552. 



De la Rive's theory of electricity, obser- 

 vations on, 193; I'rof. Marianini's ex- 



amination of an experiment adduced by 

 Prof. Faraday in support of, 529. 



Detmer (M.) on bleaching salts, 422. 



Diamond mines of Golconda, present 

 state of the, 308. 



Diamond, remarkable property of the, 552. 



Diffraction of an annular aperture, on the, 

 1. 



Dove's (Prof.) letter on the law of storms, 

 correction of an error in, by Sir D. 

 Brewster, 514; notice respecting the 

 error, 608. 



Drach (S. M.) on some new and curious 

 numerical relations of the solar system* 

 37. 



Duflos (M.) on the preparation -of I'm 

 clilorate of barytes, 210. 



Dumas and Stas on chemical types, 20.'). 



Earth, figure of the, 550. 



Ehrenberg (Prof.) on the coralline tribes, 

 375; on the organic composition of 

 chalk and chalk marl, 383. 



Electrical phanoiisena attending tlie efflux 

 of steam, 50, 93, 95, 100, 265, 328; of 

 condensed air, 133, 328. 



Electrical Society of London, 520. 



Electric currents in warm-blooded ani- 

 mals, 271. 



Electricity, on steam considered as a con- 

 ductor oi, 14; observations on De la 

 Rive's theory of, 193 ; production of 

 heat by voltaic, 308. 



Electricity and magnetism. Prof. Henry's 

 contributions to, 482. 



Electro-dynamic induction, 482; on ap- 

 parently two kinds of, 492. 



Electro-magnetic clock, description of the, 

 139. 



Electro-nLtrogurets, on some, 548. 



Electrotype manipulation, 520. 



Elemi and olibanum, analysis of the oils 

 of, 184. 



Epps (J.), notice of the late, 146. 



Equations, algetraic, linear metliod of 

 eliminating between double, treble, and 

 other systems of, 425; binary systems 

 of, 425; ternary systems of, 427 ; new 

 method of solving numerical, 559. 



Equatoreals, regulator of the clock-work 

 for efTecting uniform movement of, 590. 



Erdmann (Prof.) on the action of chlorine 

 and bromine on indigo, 247 ; on the 

 black substance from sulphuric acid and 

 alcohol, 276 ; on anilin, 280. 



Esdragon, oil of, 438. 



Faraday (Prof.), second letter to, from 

 Dr. Hare, 465 ; Prof. Marianiui on an 

 experiment adduced by, in support of 

 VtoL De la Rive's theory of electricity, 

 529. 



I'arijuharson (J.) on grouml-gru, or ice 

 R2 



