INDEX. 



AEROLITE of Epinal, analysis of, 166—316 

 Air, test of the dryness of, 160. On the action of flowers on, 

 317, 318. The resistance of the air determined from Captain 

 Kater's experiments on the peu'lulum, 351 — 356 

 Air-gun, experiments on the light produced by the discharge of, 



64—66 

 Alkaline Carbonates, effect of a vacuum on, 383 

 Almonds (bitter), experiments on the volatile oil of, 155, 156. 



Notice of a crystallized deposit in the oil of, 376 

 Alumina, notice of native phosphate of, 168; and of the native 



sulphate of iron and alumina, 389 

 Ainmonia, muriate of, from coal strata, 169, 170. Discovered 

 in lava, 169. Experiments on a persulphate of iron and 

 ammonia, 381, 382 

 Aynmoniacal Gas, action of, on copper, 157 

 Analyses of new books, 108—127; 320—348. Of a new sul- 

 phur spring at Harrowgate, 82 — 89. Of an aerolite, 106. 

 Of uranite, 168. Of native phosphate of alumina, 168. Of 

 crystallized stalactitic quartz, 169. Of the waters of Carlsbad, 

 170. Of different French limestones, 311—314, Of the 

 touchstone, 315, 316. Of an aerolite, 166, 316. Of the 

 fruit of the areca catechu, 317. Of native sulphate of iron 

 and alumina, 389 

 Anatomical Preparations, preservation of, 391 

 Animal Charcoal, action of, in the refining of sugar, 156 

 Annonay, notice of an economical bridge at, 136 

 Areca Catechu, analysis of the fruit «f, 317 

 Ascension (island of), barometrical measurement of the height of 



the mountain-house at, 69 

 Astronoynicaliindi Nautical Collections, 128—135; 351 — 366 

 Atmosphere, on the ascent of clouds in, 165, 166 

 Attrition, the cause of the light emitted on discharging an air- 

 gun, 66 



B 



Bagne lake and glacier, account of, 390, 391 

 Bandana Gallery at Glasgow described, 209 — 216 



