556 



INDE X. 



Cahours (M.) on organo-metallic radi- 

 cals, 197. 



Calcium, on the spectrum reaction of, 

 101 ; on the preparation of, 376. 



Calvert (Dr. F. C.) on the expansion 

 of metals and alloys, 2.30 ; on new 

 volatile alkaloids given off during 

 putrefaction, 387. 



Campbell (D.) on the presence of 

 arsenic and antimony in the beds 

 of streams and rivers, 304. 



Camphor, on the action of pentachlo- 

 ride of phosphorus on, 522. 



Cannizaro (M.) on the constitution of 

 anisic alcohol, 294. 



Cappa (M.) on the mineral products 

 formed by sublimation in the erup- 

 tion of Vesuvius in 1858, 87. 



Carius (M.) on a new method of ele- 

 mentary analysis, 518. 



Carlet (M.) on the action of nitric 

 acid on dulcine, 520. 



Carmichael (Rev. R.) on symmetrical 

 integration, 348. 



Caron (M.) on the preparation of 

 calcium, 376* ; on the nature of the 

 process of cementation, 519. 



Cayley (A.) on a problem of double 

 partitions, 337 ; on a system of 

 algebraic equations, 341 ; on the 

 cubic centre of a line with respect 

 to three lines and a line, 418; on 

 a relation between two ternary 

 cubic forms, 512. 



Cementation, on the nature of the 

 process of, 519. 



Cespitine, on the preparation and 

 constitution of, 111. 



Challis (Prof.) on a theory of the 

 force of electricity, 280 ; on a theory 

 of galvanic force, 431. 



Chemical notices, 41, 139, 196, 290, 

 374, 515. 



Chromatic dispersion, on certain laws 

 of, 143, 253. 



Church (A.) on the bases produced by 

 the destructive distillation of peat, 

 110. 



Chydenius (M.) on the crystallization 

 of thoria, 378. 



Cocaine, on the properties of, 141. 



Cockle (J.) on a theory of transcen- 

 dental roots, 145, 369. 



Collinic acid, on the production and 

 properties of, 521. 



Cotannite, analysis of, 87. 



T iv ! ullization, on several new systems 



of, 129. 

 Cubic forms, on a relation between 



two ternary, 512. 

 Cyanogen, on the formation of, 296. 

 Dahlander (G. R.) on new figures of 

 equilibrium for revolving fluids, 

 119; on a theorem relating to the 

 attraction of the ellipse, 125; on 

 the form assumed by a fluid shell 

 revolving within a hollow spheroid, 

 426. 

 Darwinite, on the new mineral, 423. 

 Dawson (Dr. J. W.) on a fossil fern 

 from the lower coal-measures of 

 Nova Scotia, 485. 

 De la Rue (Dr. W.) on the resin of 



Ficus rubiginosa, 225. 

 Dessaignes (M.) on the conversion of 



tartaric into succinic acid, 50. 

 Deville (C.) on the origin of granite, 

 175. 

 * Deville (H.Ste.-Claire) on the decom- 

 position of bodies by heat, 448. 

 Dichrooscope, description of the, 352. 

 Dove (Prof. H. W.) on difference in 

 size of medals of different metals 

 obtained by stamping and by cast- 

 ing in the same mould, 327; on 

 the dichrooscope, 352. 

 yDrion (M.) on the liquefaction of 

 r " gases, 202. 

 Dufour (L.) on the density of ice, % 



248. 

 Dulcine, on the action of nitric acid 



on, 520. 

 Dupre (A. and F.) on the spectrum - 

 analysis of the London waters, 373. 

 Ear, on the sensitiveness of the hu- 

 man, to the pitch of musical notes, 

 523. 

 Earnshaw (Rev. S.) on a new theore- 

 tical determination of the velocity 

 of sound, 37, 186. 

 Earth, on the thickness of the crust 

 of the, 194 ; on the pressure of, on \ 

 revetment walls, 489. 

 Eisenlohr (F.) on the relation between 

 the direction of the vibration of light 

 and the plane of polarization, 486. 

 f Electric light of mercury, on the, 249. 

 Electrical phenomena accompanying 



muscular contraction, on, 388. 

 Electricity, on a theory of the force 

 of, 280 ; on the law of propagation 

 of, in imperfect conductors, 401. 



