88 INDEX. 



Glaciers, remarkable, near Behring's Strait, xiv. 236 

 Glasgow, population of, x. 202 



account of the mode of illuminating the clock-dial of 



the steeple of the Tron church at, xii. 229 



number and power of the steam-engines at, xix. 328 



Glass, on the communication of double refraction to, by mecha- 

 nical compression and dilatation, i. 293 



brittleness of, prevented, viii. 383 



on the structure of, when in a state of vibration, ix. 390 



■ affinity of, for water, xiv. 439. Its tenacity, ibid. 



impermeability of, to water, xviii. 168 



for telescopes, account of M. Guirand's experiments for 



making, xix. 248-258. On the colour of, as affected by light, 

 341 



— — action of water upon, with some observations on its slow 



decomposition, xx. 259-264 



Glaze (new), for porcelain, xi. 392. Improved, for red earthen- 

 ware, XV. 142 



Glazier's diamond, observations on, ii. 205 



Glenroy, parallel roads of, remarks on, iii. 132 



Globe (terrestrial), in relief, notice of, x. 450 



temperature of the interior of, xiv. 207 



Gloiodine, how obtained, ix. 400 ; its properties, ibid. 



Glowing-lamp, silver wire for, vii. 183 



Gluten of wheat, researches on, ix. 399. An antidote for corro- 

 sive sublimate, 401 



Gmelin (Prof.), on the new production of anhydrous sulphuric 

 acid, xix. 345. 



Goad (S. T., Esq.), on a volcanic eruption in the island of Java, 

 i. 256 



Gold, experiments on the precipitation of the oxides of, by potash, 

 &c. ii. 166. Method of assaying, 438 



^— nature, properties, and combinations of, described, iv. 240 



lampate of, vi. 322 



— — native, notice of, vii. 399 



" action of acids on the oxide of, x. 118 ; and of salts on its 



