INDEX to VOL. III. 



ACID, preparation of iodous, 146 

 acetic or vinegar, analysis of, 107 

 oxalic and citric, analysis of, 109 

 malic, analysis of, 110; phosphoric, 

 its action on albumen, 462 ; saclactic, 

 analysis of, 110. 



./Ether, analysis of, 309. 



Air, currents of, Mr. Younge on Des- 

 orme's experiments on, 282. 



Albumen, action of phosphoric acid on, 

 462. 



Alcohol, analysis of, 309. 



Alps, Mr. Bakewell on the thermal 

 waters of, 1 4. 



Ammonia, test of its presence, 466. 



Analysis of organized substances, 33 ; 

 of sugars, 99 ; of acetic acid, or vine- 

 gar, 1 07 ; of oxalic and citric acids, 

 109; of malicand saclactic acids, 1 10; 

 of a salivary concretion, 146 ; of some 

 vegetable products, 150 ; of alloys 

 of bismuth, 230 ; of alcohol, aether, 

 &c, 309, 465 ; of tourmaline, 460. 



Astronomy, 26, 64, 136, 227, 377, 451. 



Atmosphere and the gases, electricity 

 of, 148. 



Aurora borealis of 26th Sept., Dr. 

 Forster on, 75. 



Bakewell (R.) on the thermal waters 

 of the Alps, 14 ; review of his intro- 

 duction to geology, 289. 



Barium, peroxide of, 152. 



Barker's Mill, Mr. Ivory's notes rela- 

 ting to the theory of, 425. 



Bevan's (B.) remarks on Mr. J. Tay- 

 lor's rain-gauge, 29; notice of an 

 error in Mr. Galbraith 's mathema- 

 tical tables, 153. 



Bicheno (J. E.) on systems and me- 

 thods in Natural History, 213, 265. 



Bismuth, analysis of some alloys of, 

 230. 



Books, new, 40, 77, 126, 234, 289, 

 368, 467. 



Botany, 183, 223. 



Brandes (Dr. R.) on a gelatinous sub- 

 stance found in a damp meadow, 27 1 . 



Bromide of selenium, 147. 



Bromine, elementary nature of, 145; 

 quantity of in sea water, 145; sale 



of, 146 ; bromine and water, power 

 of in conducting electricity, 151. 



Burney's (Dr.) meteorological obser- 

 vations, 78, 157, 337, 317, 398 ; Me- 

 teorological Journal for 1827, 312. 



Cadmium, iodine in, 234. 



Capillary action, Mr. Ivory on, 1 . 



Chama concamerata, Mr. Gray on the 

 nursing pouch of, 117. 



Clark (B.) on the insect called Oistros 

 by the ancients, 283. 



Combustion, heat given outduring, 233. 



Continuity, Dr. Roget on a violation 

 of the law of, 118, 203. 



Copper, examination of, 231. 



Crystalline form of some salts, 27. 



Currents of aeriform fluids, 74, 282. 



Curve-surfaces, on the equation of, 436. 



Davy (Sir H.)'on the phaenomena of 

 volcanoes, 373. 



Desorme, (C.) new phaenomena of va- 

 pour observed by, 74 ; experiments 

 on currents of air, Mr. Younge on, 

 282. 



Diopside, Dr. Wackenroder's exami- 

 nation of, 349. 



Earth, figure of the, 165, 206, 241 ; 

 Mr. Galbraith on, 321 ; Mr. Ivory 

 on, 343. 



Earthquakes, 463. 



Efflorescence, on, 231. 



Electricity, 148, 151. 



Ellipticity of the earth, Mr. Ivory on, 

 165, 206, 241 ; Mr. Galbraith on, 

 321. 



Encke's comet, 451. 



Entomology, 283, 368, 370. 



Equations, linear, differential, Mr. 

 Herapath on, 19, 210; reply to by 

 and B., 96, 262 ; reply to by F.R. S. 

 97. 



Ewart (P.) on the reaction of effluent 

 water, and on the maximum effect jof 

 machines, 416. 



Faraday (M.) on the fluidity of sul- 

 phur and phosphorus, 144. 



Farey's (J.) treatise on the steam-en- 

 gine, review of, 40. 



Fayolle, M., on the equation of curve- 

 surfaces, 436. 



Figure of the earth, Mi*. Ivory on, 165, 



