C 3:<5 3 



INDEX TO VOL. XVII. 



Acid. On thegalllc, S9, 6i ; 

 the prussic, 95 ; the bcir/.oic, 

 151; phosphoric, 1^7 \ flu- 

 oric, 357 

 Acorn. A prize question 93 

 Acaiin oa analysis of minerals, 



364 

 Aerostation, 188, 191 



Jgriculiure, j6, 178, 285, 373, 



375 

 ^jj^iV.tpovtable blast-furnace i fab 

 Alinmcn. Experiments on, 23 

 Almcnds. Remarks on, 25,26 

 Aloe, filaments of. On strength 



of. . 341 



Ambergris. Properties and ana- 

 lysis of, 88, 131 



America, Sculh, Geological 

 sketch of, 347 



Af»»ionia. A cure for the bites 

 of snakes, 125, 128 



Analyses of native muriate of am- 

 monia, 76, 77; of sassolln, 77 ; 

 of salt of Idria, 79 ; of meli- 

 llte, 79 ; of muriated lead ore, 

 S3 ; of the green phosphates 

 of lead, 86 ; of ambergris, 88, 

 J31 ; of diamond, 197; of 

 Tuby,-20i ; of sapphire, 201 ; 

 of the emerald, 202 ; of the 

 topaz, 2ca ; of hyacinth, 203; 



•; of the beryl, 203; of catechu, 

 217 ; of phosphated lead ore, 

 230; sulphated lead ore, 231 ; 

 white lead ore, 231; native 



j antimony, 232 ; olive ore, 234; 

 iron ore, 235 ; copper ores, 

 235; pitch ..tone, 236; pu- 

 mice stone, 237 ; zirconia, 

 237 ; madreporite, 238; of 

 scorza, 239 ; manganese ere. 



240; sulphate of barytes, 240; 

 asphaltum, 242 ; pearl-stone, 

 2435 antient coins, 256; of 

 an antient speculum, 289 ; of 

 fossil elastic resin, 307 ; of 

 peat earth, 310; of human 

 teeth, 313; Accum on, 364 

 AndreciWs aerial voyage, i88 

 A/iti/Mnj, native. Analised, 232 

 Aralile lands. Estimate, 183 

 Arts and sciences. Society of, at 

 Utrecht, 186 



Asia, On people of, 1 1 



Asphaltum. Analised, 242 



Aitringent vegetables. Experi- 

 ments on, 63,212,293 

 Astronomy, 9a 

 Atkins on hydrometers, 204, 



Aurichalcum. On, iS^ 



Balylonian hricJ:. Inscription on, 

 explained, 250 



Banki, Sir Joseph, 341 



Barks. Experiments on, 63, 293 

 Barometer at peak of Teneriffe, 



33» 37 

 Barton on bite of rattlesnake, 

 128 

 Barytes, muriate of. Experi- 

 ments on, 160; sulphate of, 

 analised, 240 



Benzoic at i J. On, I 51 



Beryl. On the, 203 



£/rtir'j soldier's friend, 378 



Blast-furnace, Alkm's portable, 

 ' 166 



Blue. To dye, 325 



Board of Agriciilinrr, 285, 373 

 Boiler, IVonlfs, described, 40 

 Boilers, On heating, 27 j 



Booh. 



