[ 375 ] 



INDEX TO VOL. XII. 



Acids, strength by fpec. 

 grav. and areometer, 3 C ; car- 

 ionic, wlicther decompofed to 

 foroi ,fteel? 27, 97: colaltk, 

 not real, 49: on oxygenized 

 and hyperoxygenizcd muri- 

 atic, 89: zuonic, a compound 

 of acetic 'and animal matter, 

 iq2 



Acoujlici. The fono-metre, 187 



Adrianoph red. To dye, 170, 

 260 



JJinities of lime, ftrontian and 

 baryte, 367 



Agriculture;, Drain plough, 269, 

 271 



Aiilu's (Dr.) LifeofDr.Pulte- 

 ney, 289 



Aikin's defcription of fatin fpar. 



Alloys offiher and copper to ff- 

 parate, 266 



Alumiiie, alLaUne [olution of, pre- 

 ferable to any other for dye- 

 ing, 175: procefs for prepar- 

 ing, 260 



Analjjis of arfeniates of copper 

 and of iron, 92, 141, 2 12, 

 342: of fulminating mercury, 

 92 : of Aones fallen from the 

 clouds, 181 



y/H/7/jy7i of fatIn fpar, 364 



Aniient Language. A prize qiicf- 

 tion, 281 



Animals and vegetahhs, rcfcm- 

 blanceB between, 2 1 



Antiquitia, 1 9 2, 288, 374 



Artomettr. The correfpondiiig 

 ftrengtlis of acidb as indiciited 

 by flie fpccific gravity, 35 



Arfe'iiatrs cf copper avd of ir.n, 

 iJournon'8 defcription of, 3, 



135: Chenevix's analyfis of, 

 141, 212, 302, 342 : Vauque- 

 lin's analylisof, 92 



Arfaiic (7aWcombined with oxide 

 of cobalt, 53 



Arts ill France f notices relative 

 to, 167 



Afs. Geftation, life, 245 



Aferoids propofed as an aflrono- 

 mical term, 364 



AJlrinomy, The Ceres, 54, 62, 80, 

 1 12, 181, 183, 187, 277, 360, 

 371: Gregory's treatife on, 

 87 : fingular conjunclion in 

 Si> 91, 118, 186: liirtory of, 

 for the year 1801, 112, 203: 

 on comets, 113: Meflier's 

 night telefcope, i x\ : utility 

 of obftrvations, H4: labours 

 of Piazzi, Burckhardt.Olbcrf, 

 Bode, Ciaufs, MefTier, Me- 

 chain, Bouvard, Pons, Bradley, 

 Tycho, Flamfteed, Picard, La- 

 caille, Maflielyne, L. Lalande, 

 Mad. Lalande and Son, De- 

 lambre, Vidal, Bourg, Leduc, 

 Gaetani, Conti, Ciccolini, 

 Kautfch, Gaudin, Cliabrol, 

 Thulis, Flauguergues, Lacha- 

 pelle, Btrnier, Humboldt, 

 Quenot, Triefneckcr, Von 

 Zacli, Liefganig, Niebuhr, 

 and Mougin noticed, 1 13 — 

 12 1: ohlitjuity of tiie ecliptic; 

 all the planets tcliplcd this 

 year by the moon, 117? 

 cclipfts for the 19th century; 

 cxadt conjuiii'^ions ot all the 

 planets iiiealculabie, 118: ex- 

 periments to prove the ro- 

 tation of the eaith, 203: la- 

 bours of Ciera, i'okkcr, Men- 

 dozj, 



