INDEX. 



Effeift of on magnetifm, iSS.— -Modi- 

 fied by compreflion> 328, 381 



Jiceven, profefibr, his account of an an- 

 cient geographical taSlet, in the mufeum 

 of Cardinal Borgia, 141 



Hermftadt*s method of fepaiating cobalt 

 and nickel, 261.-- On fugar prepared 

 from beet-root, 267 



Herfchell, Dr. on the Angular figure of 

 the planet Saturn 4, 246. — On the di- 

 reftion and velocity of the motion of 

 the fun and fo'ar fyftem, 59 



Hiem, Dr. on tfce /hower of peas at Land- 

 fchut, 91 



Holland, a nsw map of, 187 



Holme, Dr. 305 



Hooke's contrivance for keeping a fluid at 

 aftated level, 1^8. — His quadrant, 372 



Hope, Dr. 190, 273. — His experiments 

 on the contradiion of water by heat at a 

 low temperature, 379 



Horlburgh, J. Efq. on a diurnal varia- 

 tion of the barometer between the tro- 

 pics, 16 



Horfe-dung fuppofed to be the caufe of 

 falry-iings, 94 



Horfes, training of, 309, 317 



Hoft, Dr. appointed inlpedor of the bota- 

 nic garden at Schoenbrunn, 51 



Humboldt's experiments on the torpedo, 

 180. — On Guano, 322 



Hutton, Dr. his theory of geology, ji,j 



■Hyacinths found among the grains of pla- 

 tlna, 119 



Hjporum adeantoides, 371 



Hyfteric affeftions excited by gafcous ox- 

 ide of azote, 1 5 



I. 



Indian rubber, -defcription of a property 



of, 305 

 Indigo, experiments on, with a view to 



forming artificial tan, 27 

 Ingenhoufz, Dr. 14 

 Inteftines, their tuuftions, 311 

 Iridiiim found witii the ore of platlna, 



k8 

 Irvine, Di;. 373, 



J- 



Jacquin, M. his refearches in America 



and the Weft Indies for rare plants, 47 



Jaundice, how occafioned, 245 



Joan of Arc, bronfe ftatue of, founded in 



a way never before ufed for large works, 



128 



Jockies, &c. training of, 309, 317 

 Johnfon, Dr. 201 



Jolly, Mr. on the caufe of fairy rings, 93 

 JplTe, Mr. his expcnments on the enamel 



of teeth, 2t6 

 Journals, fcientific, advantages derived 



fram, 72 



Kalm, on the power of fafcination, 300 

 Kautauzoft's chart of the White Sea, 188 

 Keller's ftatues of Louis XIV. 129 

 Kelly's new edition of fpherics, 53 

 Kennedy, Dr. 336 

 Kenti/h, Dr. on the efficacy of oxigen gas 



in fome kinds of paify, 12 

 K. H. D. on the heat of air blown from 



bellows, 170 

 Kirwan, Mr. 306 

 Klaproth's revived precipitates, 187.— His 



analyfisof the pirite of Saxony, 214,— 



Of uran-glimmer, 257 

 Knight, T. A. Efq. on the reproduftloB 



of buds, 349 



Lacroix, -M. 220 



Lagrange on bird-lime, 144. — On the giz- 

 zards of white pt)uicry, 203 



Lamanon's obfervations on the diurnal va- 

 riations of the barometer, obferved du- 

 ring the voyage of La Peyroufe round 

 the world, 56 



Lamp, ftatical, defcription of one which 

 maintains a fupply of oil, 165, 277 . 



Language, univerfal, 91 



Lartigue's 



