INDEX. 



-nL* HIS description of simp'e appa- 

 ratus for distillation, 192. 



Achromatic glasses, 117. 



Acid, fluoric, combinations of, 8i. 



Acids, muriatic and oximuriatic, 42. 

 68. 264. 



Adventurer, an, to the interior of 

 Africa, 134. 



Aerostation, accidents in, 74. 



Africa, travels in the interior of, 134. 



A. H. E. on certain ready processes for 

 computation, supposed to have been 

 invented by the American boy, (see 

 p. 5,) exhibited in London, 193. 



■ ■■ ■ , answered, 291. 



Aikin, A., Esq., on a bed of green- 

 stone, in Staffordshire, 78. 



Air, discovered in trees, and in seer- 

 woods, 324. 



Alcohol, congelation of, 166. 



Allen and Pepys, Messrs. 201. 



Alpine Plants, bank for the culture of, 

 24. 



Amianthus, improved mode of manu- 

 facturing, 311. 



Analysis—of the urine of different ani- 

 mals, 1. Of the sepia of the cuttle- 

 fish, 35. 



Animal heat, experiments on, 199. 



Supplement, Vol. XXXIV.- 



Antimoniimi, oxides of, 241. 313. " 



Arithmetical computations, 5. 193. 193. 

 291. 



Arrowsmith, Mr., his extraordinary 

 large map of England and Wales, 

 150. 



Arsenic, test for, 17 4. 



Atmospheric electricity, 126. 



Aurora borealis, its appearance and 

 disappearance, 196. 



Automaton, a speaking, 229. 



Azote and chlorine, explosive com- 

 pound of, 180. 276. 



B. 



B. query from, to O., relative to the 



extraction of the square and cube 



roots, 311. 

 Bake well, Mr., 80 228. 

 Bank for the culture of Alpine plants, 



24. 

 Barytes, muriate of, experiments on, 



to ascertain its action on the animal 



system, 9. 

 Beaver, urine of the, analysis of, 3. 

 Beccaria's observations on atmospheric 



electricity, 126. 

 Berthollet, M. 50. 54. 

 Berzelius, Professor, his explanatory 



No. 160. A a 



