[ 376 J 



INDEX TO VOL. XXI. 



ACJDEMY of Sc-efjccs, Ber- 

 lin, 277; Lisbon, 365; Co- 

 penhagen, 366 

 Aerial voyage from Pctersburgh, 

 193 ; from Paris, 220 

 Agr'iailtwe. State of, in Ben- 

 {ral, I ; sulphate of iron a 

 manure, 5 1 

 Jgrkul/ure. Board of, ^17 

 Alcohol extracts petroleum fiom 

 asphaltum and coal, 151 

 Alhal'me nctalUc so'.utltns. On, 



187 

 Annanthus. Paper and furnaces 

 made of, 243 



Amoriurct of g':ld precipitated 

 on silver by Galvanism, 187 

 A7uilys/s oi'lac, 12; of schistus 

 from Iceland, 46; of Bovey 

 coal, 50, 148; of rna'^netical 

 pyrites, 133, 213 ; of bitumen 

 fiom Bovey, 150; of atmo- 

 sphere, 223 

 A'tdcrson on preparing sugar, 



272 

 Ant'iq.iiti-s, 282,369 



Ar.'ci-mit irce. On the, 77, 1 10 

 Ar"il. Affinity of, for carbon, 

 80 

 y^j/j-jA'/'j patent, 374 



Jsbeilus. Uses of, 243 



Aihes of peat, a manure, 52 ; of 

 pit coal, 59 



Aspballum con'ains petroleum, 



I ;i 

 Astronomy, . 93, 18S, igi, 285 

 Atmospheric air analysed, 223 

 Ayipuna an antidote to poisons, 



92 ; denied, 



28; 



Balance of a time-kctpcr. On 

 banking, loi 



Ball's patent, 9> 



Ballast, Patent for raising, 9s 

 Balloon, air. Ascent with, 193, 



220 

 Banls (Sir J.) on blight in corn, 



320 

 Barometric experiments, 196, 



227 

 Barton (Dr.) on the use of me- 

 tallic salts in vegetation, 60 

 Bell's patent, 373 



Bngal. State of husbandry in, I 

 Bangui. Maritime commerce of, 



327 

 Bits of bridles. Patent for, 95 

 Biography, 61 



Blot's formation of water by 



compression, 288,362 



Bitumen. Hatchet on, 40, 147 

 i> ^/V'j patent, 373 



Blight in corn. On, 320 



Board of Agriculture. Premiums 



offered by, 87 



Boohs. New, 365, 367 



Bond's patent, 374 



Bonpland's travel?, 3 ^ 3 



Boring the earth. Patent for, 372 

 Botanical intelligence, 1 90, 371 

 Bozvler's scrtw-press, 249 



Brandon's patent, 373 



Bullock's lock, 2^8 



Cartuuch boxes. Patent for, 9^ 



Cachou or Catccambe. Its uses, 



and how extracted, 114 



Carbon. AfTmities of, for clay, J 



lime, slk-x, 80 " 



Carry's meteorological table, 96, 



192, 288,375 



Cattle. New method of killing, 



67 



Cerium, a new metal, 1 86 



Chaumeton 



