INDEX. 



Gleditsch, M. 17 



Gmelin, M. 17 



Gott, Mr his account of the vegeta- 

 ble butter of India, 377, 378 



Gough, Mr. on torpidity in animals, 

 161 



Grafting, advantages of, 175 



Grandi, M. de, 79 



Grass, sTiped or ribband, excellent food 

 for cattle, 500 



Gravitation, investigation of its causes, 

 £04, 344 



Gravity, specific, of air, 145 — Of light 

 148, 145— Of water, 145 



Grenville, Hon. C. F. 361 



Grew, on the formation of the bark of 

 trees, 241 



Guide to the constellations, 1, 11 — 



Corrected, 173 

 Guyton de Morveau, M. on lazulite, 

 23— On cohesion, 59— On the ana- 

 lysis of air, 88 — On the combustion 

 of the diamond, 2 16 



H. 



Haberre, M. 380 



Habits of animals, remarkable effects 

 of, 255 



Hales, the first who observed the ab- 

 sorption of air in certain cases, 87— 

 On the comparative velocity of air 

 and water, 144 — His theory of the 

 formation of the bark of trees, 242 



Hallett, Mr. on the use of tobacco-water 

 in preserving fruit crops, by destroy- 

 ing insects; and on the use of the 

 striped or ribband grass, 298, 301 



Harnel, Du, on the formation of the 

 bark of trees, 242 



Hatche'tt, Charles, Esq. communica- 

 tion from, containing a description" 

 o; a new eudiometer, by W. H. Pe- 

 pys, Esq. accompanied with experi- 

 la'.ju'.'s elucidating its application, 86 



Hauy,M. 37 I 



Heights of various places in France, 

 concluded from Vol. XVIII. 272, 

 277 

 Heim, M. his analysis of thesiderile, 



20 

 Helvetius on Albinoes, 82 

 Henry, Dr. W. his experiments on the 



fire-damp of coal-mines, T 19 

 Hercules, its situation and description, 7 

 Herschell, Dr. on the cause of colour- 

 ed concentric rings between two ob- 

 ject-glasses laid upon each other, as 

 discovered by Sir Isaac Newton, 121, 

 177— On the nature of the new ce- 

 lestial body discovered by Dr. Olbers, 

 and on the comet which was expected 

 to appear last January in its return 

 from the sun, 259 

 Herder, Mr. 318 

 Hisinger and Berzelius, their analysis 



of a s-tone called pyrophysalite, 33 

 Home, Ev. Esq. his account of two- 

 children born with cataracts in their 

 eyes, to shew that their sight wa9 

 obscured in very different degrees ; 

 with experiments to determine the 

 proportional knowledge of objects ac- 

 acquired by them immediately after 

 the cataracts were removed, 99 — On 

 the structure of the different cavi- 

 ties which constitute the stomach of 

 the whale, compared with those of 

 ruminating animals, with a view to 

 ascertain the situation of the digest- 

 ive organ, 348 

 Humboldt, M. Von, 116, 318 

 Hunter, Mr. J. on the economy of 

 bees, 256 — On the 'cavities in the 

 stomach of the whale, 350 

 Hutton, Dr. remarks on his theory of 

 granite, 319— His observations on 

 f.iry rings, 368 

 Huygens, M. 121 

 Hydra, its situation described, 6 



India, 



