INDEX. 



Gougli, J. Esq. his inquiry, geometii- 

 r;il and arllhmeucpJ, into certain pro- 

 perties of solids in general, and of 

 tiie five regular bodies in particular, 

 321 



Grange, M. de !a, his theory of the vi- 

 brations of sound, 30 



Greenland, meteorology of, 239 



Greenwich quadrant, 110 



Gregor, Rev. W. on a native arseniate 

 of lead, 360 



Groombiidgc, S. Esq. 10 



Grotthuss, Th. de, his experiments on 

 the combination of phosphorus with 

 metals arid their oxides in the humid 

 way ; to which is added the exami- 

 nation of a gas arising from a pecu- 

 liar decomposition of alcohol, 568 



Gum ammoniac, the plant that pro- 

 duces it, 79 



Guyton-Morveau, M. on a singular cry- 

 stallization of the diamond, 67 



Gypsum, sea shells found in, 313 



H. 



Hachette, M. 68 



Haldat, Dr. on the limits of single vi- 

 sion, and the corresponding points in 

 the retina, 123 



Haller on vision, 124 



Hamilton, Mr. G. J. on meteoric stones, 

 72 



Hassenfratz, M. on potassated iron, 51 



Hatchett, Mr. his discovery of colum- 

 bium, 23 



Hauy, M. on the crystallization of the 

 diamond, 68— On pechblende, 69 — 

 On the aplome, 238 



Hedwig, 97- 



Henry, Dr. on the analysis of ammo- 

 nia, 143, 152 , 



Henry, Dr. his juncture for metallic 

 pipes, 284 



Hindley's method of dividing instru- 

 ments, 7 



Hoffman's discovery of phosphorus in 

 seeds, 279 



Home, E. Esq. on the nature of th<J 



intervertebral substance in fish and 



quadrupeds, 208 

 Homograph, for communicating by 



means of signals, 323 

 Horticultural Society in Scotland, 73 

 Howard, Mr. on meteorology, 259 

 Humboldt, M. Von, his description of 



a native muriatic acid, 313 



I. 



Ibbetson, Mrs. on the motion of sensi- 

 tive plants, 95 



Inks, sympathetic metallic, 273' 



Instruments, astronomical, <S:c., im- 

 proved method of dividing, 1, 100 



Intervertebral substance in fish and qua- 

 drupeds, 208 



Iris in the d6w, 159 



lunar, 159 



Iron, how affected by potassium, 61 



Iron recorrrniended instead of wood ia 

 the construction of theatres, 301 



Iron ore, in cubic crystals, analysis of, 

 97 



Iron oxides, 353 



Iron, separated from manganese by va- 

 rious acids, 384 



Jacqu'm, M. 99 



Jameson, Professor, on the animals of 



the class vermes on the shores of the 



Frith of Forth, 72 

 — __ — on the universality of 



rock and metalliferous formations, 



318 

 J. F. on the nonabsorption of oxigen 



in respiration, 229 

 Jurine on vision, 131 

 Jury mast, i.mproved, 357 



Kannelstein, analysis of, S83 

 Klaproth's analysis of aerolites, 54, S9 

 Klaproth's analy>is of brojizite, 381 



Klapro'h, 



