INDEX. 107 



Insects (luminous), on the phosphorescence of, xii. 181 



solution for destroying, xvii. 146 



Inspiration of inflammable gas, xx. 893 



Institutions (literary and scientific), vindication of, vii. 219. 



Introductory discourse of Mr. Brande delivered at the London, 



205 

 Instrument for destroying stone in the bladder, description of, 



XX. 21 

 Insulation of electricity, ix. 206 

 Intermittents, sub-nitrate of bismuth a remedy for, xiii. 233 



prussiate of iron a remedy for, xvii. 145 



Intestinal gases, experiments on, ii. 185 



Intoxication, antidote to, xi. 407 



Inverse series, extension of, for the computation of refraction, 



together with a direct solution of the problem, xvi. 139 

 Iodide of gold, experiments on, x. 121 ; analysis of it, 122 

 of potassium, new compound formed, by mixing a solution 



of, with one of cyanide of mercury, xiii. 401 



of nitrogen, preparation of, xv. 381 



Iodine, observations on the crystallization of, v. 364 



test for, vi. 362 



'. found in marine animals, x. 182 ; and in sponge, 456, 



A remedy for bronchocele, xi. 191 

 « its application as a medicine, xi. 407. xii. 187 



on the combination of oxides with, xii. 175 



employed for the relief of cancer, xiv. 237 



— — notice of a new compound of, xv. 376 



— — presence of, in the water of Sales, xvi. 168. xvii. 180 



process for obtaining the cyanuret of, xviii. 173 



means of testing for, xix. 343 



i — . its existence in a mineral" substance, xx. 173. Its pre- 

 sence ascertained in sulphureous mineral waters, 344 



Ireland, geological^ account of the north of, iv. 160 



remarks on the population returns of, xix. 217. Tables 



and observations on the state of education in that country, 220 



Ireland (M., Esq.) on the external changes which take place in 



