476 Index. 



Chloric acid, 233. 

 Chloride of azote, 306. 

 Chlorides, composition of, II. 

 Chromates, account of, 4i , 4. 

 Chyazic acid, ferrureted, on, 150, 



____— , sulphureted, 150. 



Cloth, electricity from, 156. 

 Coal mine, explosion in, 235, 293. 

 , quantity in the Newcastle Coal 



Formation. 411. 

 Comet of 1807, on, 72. 



■ , on the orbits of, 445. 



Comparetti, his account of the dorsal 



vessel, 353. 

 Copper, native hydrous carbonates of, 



157-*-precipitation of, by iron and 



zinc, 157. 



■ ore, new species of, 439. 

 Cow dung, use of, in calico printing, 



235. 

 Crossfell, structure of, 338. 

 Cuvier, ili. on some fish, 456. 



D. 



Daltonian theory of chemical propor- 

 tioss, 11, 83. 



Paubuisson, M. on the basalts of 

 Saxony, 143. 



Davy, Sir Humphry, ou iodine, 67, 

 442 — on the combustion of the dia- 

 mond, 68 — on fluoric compounds, 

 441. 



Decandolle, M. botanical labours of, 

 453. 



De Geer, on the dorsal vessel, 352. 



Delambre, M. abridgment of astro- 

 nomy, by, 72— quoted, 470. 



Delisle, M. on the plants of Egypt, 

 454. 



Desvaux, M. botanical labours of, 452. 



Dew, essay on, 301. 



Diamond, combustion of, 68. 



Disease, singular, near the Black Sea, 

 74. 



Distillation, improvement in, 149. 



Dor»al vessel in insects, use of, 346. 



Drops, Prince Rupert's, optical pro- 

 perties of, 448. 



Durham, county of, geognostical sketch 

 of its structure, 337, 410. 



Eagle, species of, in Scotland, 71. 

 Earth worm, habits of, 459. 

 Echineis, species of. described, 449. 

 Egypt, plants of, 454. 

 Ekeberg, Mr. biographical account of, 



241. 

 Electro-chemical phenomena, on some 



new, 440. 

 Electroxide, 336. 



Epiglottis, on the use of, 462. 

 Equations, method of clearing of surd-, 



439. 

 Ether, sulphuric, composition of, 40. 

 Eupherbia cyparissias, analysis of, 213. 



Felspar, compact, analysis of, 472. 



Fingers and toes, family with supernu- 

 merary, 444. 



Flats, what, 341. 



rieming, Rev. Dr. on the species of 

 mns found in Scotland, 71 — on a bed 

 of fossil shells on the banks of the 

 Forth, 133. 



Fluor spar, singular disappearance of, 

 342. 



Fluoric compounds, experiments on, 

 441. 



Forehead of a mine, what, 419. 



Formations round Paris, extent of, 386. 



Fox, James, Esq. register of the wea- 

 ther at Plymouth, by, 276. 



Fuel, economised during distillation, 

 149. 



Fyfe, Dr. experiments on respiration, 

 by, 334. 



GaI>ronite, analysis of, 214. 

 Gay-Lussac, M, on a new portable ba- 

 rometer, 71. 

 Gehlen, Mr. on the composition of ar- 



ragonite, 251. 

 Girdle, what, 419. 

 Glass tubes, graduation of, 236. 

 Gmelin, Leopold, M.D. account of the 



mountains of Ancient Latium, by, 



115 — his description and analysis of 



hauyne, 193. 

 Goniometer, improvement in, 398. 

 Gordon, Dr. John, on the extrication 



of heat during the coagulation of the 



blood, 139. 

 Goring, Mr. C. R. on a new solvent for 



all sorts of urinary calculi, 361 — 



observations on, 438. 

 Granite, transition, 397. 

 Gregory. Dr. OlintUus, conduct of, 



396,' 469. 

 Groove, what, 419. 



II. 



Hauyne, description and analysis of, 

 193. 



Hazle, what, 341. 



llcbburu colliery, explosion in, 292. 



Jlerschcl, Dr. William, astrouomical 

 observations by, relating to the side- 

 rial part of the heavens, 447. 



