INDEX. 403 
Climates, on the changes in the temperature of, 18. 
Clutterbuck’s objections to the Mitchillian theory, 1go. 
Coffee, fubititutes for, 309. 
Comet, feen in December 1799, 402. 
» Lofft on the one feen September and October 1799, 38. 
Copal, to diffolve in fpirit of turpentine, 64. 
in alcohol, 6. 
Copper, on the art of hardening, 271. 
Corz, to ventilate on fhip-board, 393. 
Cottoz, a new method of bleaching, 351. 
Cotton yarn, Grecian method of dyeing red, 325. 
Cow-pock, communication from Dr. Pearfon on the, 313. 
Crane, machine that anfwers for a, 392. 
Cures, by pneumatic remedies, 94, 196, 2916 
Davis’s machine for loading and unloading goods, 392 
Deaths, 101, 312; 405- 
Deformeaux on the preparation of writing ink, 157. 
Diavwond, Guyton on the combuftion of the, 55, 174. 
-, ufed in the converfion of iron into fteel, 89. 
Dipping needle, imperfeCtions of the common, 379. 
Dif-afes cured by vital air or oxygen gas, 94, 196, 29I~ 
Diftillation, the Indian method of, 7. 
Dolomicu’s defcription of the Paliorum Lacus, 77. 
Drawings, procefs for producing the lights in itained, 67. 
Dyeing, a {pecies of mufhroom fit for, 99. 
: » a hint for the animalization of ituffs for, 99. 
Dyeing red, on the Grecian method of, 325. 
Earth, agenda for forming a theory of the, 24, 135, 217. 
Earthen-ware, analyfis of the earths found in common, 288., 
Larthquake, obfervations on that in Peru in 1797, 318. 
EleGoral Academy of Sciences at Manheim, proceedings of, 95, 296. 
Eleétricity, Hemmer’s obfervations on anizial, 1, 140+ 
LileGricity, {parks obtained from ice, 208., 
£ilms, a cure for difeafed, 403. 
fabbront on the chemical aétion of metals on each other, 268: 
Felix on the Grecian method of dyeing cotton red, 325. 
Fire occafioned in a lake by an earthquake, 320. 
Fire-ball, account of one feen 22d Sept. 1799, 38. 
Fire-grates, Burns’s improvements on, 264. 
Fog, on the nature of that of 1783, by De Lamanon, 80. 
Fourcroy and Vauguelin on human urine, 43. 
Fofiil wood, Villars on fome found at a great height, 299: 
Furnace, defcription of Mr. Howard’s improved air, 190. 
———, defcription, &c. of a blaft one for {melting iron, 40, 124. 
Gadd on the nature and properties of Lapis fungifer, 279. 
Gallic acid, quantity of, in different kinds of bark, 321. 
Galls, a fubftitute for, 310. 
Gazoumster, defcription of Pepys’s mercurial, 154+ 
- 6 Geology, 
