5*7 



INDEX TO VOL. XXIII. 



AdDS :—dammaric, 83; ferric, 217; 



nitric, 231 ; malic, 327. 

 Miher, on the preparation of, 386. 

 ./Ethogen and iEthonides, observations 



on, 71. 

 Airy (G. B.) on the laws of individual 



tides at Southampton and at Ipswich, 



49. 

 Animal body, on the formation of fat in 



the, 19. 

 Animal tissues, on the development of, 



from cells, 379. 

 Animals, on the structure of the spleen 



in, 370. 

 Amber, on the products of the decompo- 

 sition of, 477. 

 Armstrong (W. G.) on hydro-electricity, 



195. 

 Astringent substances, examination of 



some, 331. 

 Babbage (Mr.), on the analytical engine 



of, 235. 

 Balmain (W. H.) on aethogen and the 



aethonides, 71. 

 Bark of the larch, chemical examination 



of the, 336. 

 Barometer, indications of, during stormy 



weather, 446. 

 Barreswil (M.) on the action of nitric 



acid on carbonate of lime, 78 ; on the 



oxidizing action of chlorate of potash 



on neutral substances, 318. 

 Barry (Dr.) on the blood-corpuscles, 375. 

 Beetz (W.) on the spontaneous change 



of fats, 505. 

 Belam (J.), observations on the comet of 



1843, 148. 

 Bernoulli (M.), on an expression for the 



numbers of, 360. 

 Birds, on fossil foot-prints of, 515. 

 Blood-corpuscles,observationsonthe,375. 

 Books, notices respecting some new, 452. 

 Bouchardat (M.) on the octahedral crystal- 

 lization of iodide of potassium, 317. 

 Bread and flour of different countries, on 



the nutritive values of, 321. 

 Brodie (P. B.) on the discovery of insects 



in the Wealden of the vale of Ayles- 

 bury, 512, 527. 

 Bronwin (B.) on the problem of three 



bodies, 8, 89. 



Brown ( W.) on the storms of tropical 

 latitudes, 206, 276. 



Bruce (W.) on indications of the barome- 

 ter and thermometer in stormy wea- 

 ther, 446. 



Calculi, on the decomposition and disin- 

 tegration of phosphatic vesical, 47. 



Caldecott (J.) on the great comet of 

 1843, 313. 



Calorific effects of magneto-electricity, 

 observations on the, 263, 347, 435. 



Calorotypes,observationson the so-called, 

 356. 



Cambium, observations on, 54. 



Capocci (M.) on the comet of 1843, 311. 



Carbonic acid, exhalation of, from the 

 human body, 72 ; decomposition of, by 

 the light of the sun, 161. 



Cayley (M.) on some new formulae, 89. 



Cells, on the development of animal tis- 

 sues from, 379. 



Cerium, observations on, 241. 



Chalk, on pipes or sandgalls in, 521. 



Chemical Society, proceedings of the, 71, 

 385. 



Chemistry : — colouring matter of the Per- 

 sian berries, 3 ; sugar of the Eucalyp- 

 tus, 14 ; extraction of palladium, 16 ; 

 formation of fat in the animal body, 19; 

 decomposition and disintegration of 

 phosphatic vesical calculi, 47 ; reduc- 

 tion of metals from solutions of their 

 salts by the voltaic circuit, 51 ; on 

 aethogen and aethonides, 7 1 ; exhalation 

 of carbonic acid from the human body, 

 72; spontaneous decompositionof chlo- 

 rate of ammonia, 75 ; analyses of cymo- 

 phane, 77 ; action of nitric acid on car- 

 bonate of lime, 78 ; on the Cowdie pine 

 resin, 81 ; compound nature of nitrogen, 

 135 ; on a peculiar molecular change in 

 a metallic alloy, 141 ; olivile, 156 ; 

 new combinations of cyanogen, 157 ; 

 decomposition of carbonic acid by the 

 light of the sun, 161 ; new process for 

 preparing cyanogen, 1 79 ; existence of 

 acompound radical incertain sulphates, 

 203; on ferric acid, 217; on nitric 

 acid, 231 ; action of chlorides on the 

 protochloride of mercury, 233 ; on 

 lanthanium,didymium, cerium, erbium, 



2 N2 



