I 395 ] 



INDEX to VOL. XIX. 



Adulteration ofprovu 



ins. A prize question , 208 



Aerial voyage, for scientific ob- 

 jects, 290 



Agriculture. Board of, 203 ; 

 premiums in, 97,203,292,385 



Aikm. A letter to Dr.Ttiornton 

 from, 39,360 ; analysis of car- 

 bonate of copper by, 89; let- 

 ters from Thornton to, 141, 

 248, 360 



A'lkin (£•)• Analysis of sul- 

 phate or barytes, 86 



Allen s analysis of Herland-mine 

 silver ore, 87 



Amber. Furnace for melting, 



Analysts of Shetland iron ore, 

 sulphate of barytes, iron py- 

 rites, silver ore, 86 ; carbo- 

 nate of copper, copper and 

 iron pyrites, African pyrites, 

 £7 ; lead ore, micaceous iron 

 ore, Barbadoes limestone, 

 aluminous silex, 88 ; Barba- 

 does minerals, a siliceous me- 

 tallic ore, carbonate of cop- 

 per, lead ore, 89 ; satin fpar, 

 wolfram, schiefer spar, car- 

 bonate of lime, 90 ; dolomite, 

 211 5 primitive lime, 211 



An/rye's process for separating 

 tin and copper, 26 



Animal cotton. On, 120 



Animals. Action of caloric on 

 vitality of, 3 



Annual Review. Letter from 



a writer in, 39 ; answer to, 



141, 248 



Ants, Experiments on, 6 



Area and population of the 



counties of England and 

 Wales, 197 



Arsenic. To free cobalt and 

 nickel from, 51 



Arts. Society of, 97, I 1,5 



A say Office at the Royal In- 

 stitution, 287 

 Asthma. A cafe of, 247 

 Astronomy. Hist, of, for 1803, 

 10 ; a prize question, 20£, 

 prize awarded in, 207 ; new 

 planet discovered, 392 

 Athenian travellers, 204 

 Atmospheric air. Dalton on com- 

 position of, 79 

 Aurora horealis. On, 16 



Bacon's (Friar) knowledge in 

 optics, 68, 177 



Ballom. Ascent of, from Pe- 

 tersburgh, 290, 388 



Banfo, Sir J. on the king's 

 flock or Spanish sheep, 190 

 Barbadoes minerals analysed, 88 

 Basaltes. On, 58, 90, 122 

 Bell metal. To separate tin and 

 copper from, 26 



Bergman on basaltes, 60 



Berlin Society of S -archers into 

 Nature, 90 



Berlin Academy, 290, 387 



B ng ley's analysis of Barbadoes 

 earth, &c. 89 



Biography, 18, 302 



Biot's aenal voyage, 371 



Bismuth. To separate from co- 

 balt and nickel, 51 

 Blood. Exper. on freezing, 4 

 Board of Agriculture, 2 03 , 292, 



Books veuv, 200, 207, 282, 2$%, 



289 



Bowlers 



