INDEX. 



475 



JHckinsmi's floating iron dock, 387; 

 method of towing ships, 389, 426 ; 

 system of ship building, 428 ; iron 

 masts, 427 



Dividing iitstrumetUs. Troughton on, 

 81, ICi 

 Diving machine. New, 78 



Docic", floating, made of iron, 378 

 Dropsy, On, 312 



Ear then-ware. On ancient, 413 



Eel. Natrual history of the commim, 

 273 

 Elective attracliom. Young on, 53 

 Electrical action in thunder-storms, 

 161, 201 

 Ether analysed, 152; ou formation 

 of, 431 



EwtU on med. uses of acetate of lead, 

 129 

 Farey on vtlley?, _ 49 



Fn-es. J/(fi;/ii((i;/^, rcmcdifsfor, 312 

 Fish, ou breeding, 26S, 'Zl-i ; on eels, 

 273 ; s^lnioii-leaps, '^'21 



Floating il'ick made of iron, 378 



Fluoiic acid. Dnvy on, 1-0 



Flying. Machine for, 73 



FoisU tunes, 309 



French Nalio7ud Insliltile, 70, 143, 227, 

 302 

 Fnmi-^ati'ini, medical, 132,395 



Gall's theory of the structure of the 

 brain, 303 



Galvanic avparalus. The best, 26 

 Gas, a new one, 394, 470 



Geology, 19, 49, 137, 190, 31 1 



Gun-piiwder. Exper. on, 154 



Haemorrhage, internal. New reVnedy 

 for, 123 



hall on telegraph, 124; on broom 

 flax, 378 ; on refraction, 397 



llavy's crystallography, 64, 96, 210, 

 289, 349,455 

 Ilenrii on ammonia, 369.. 447 



Herschel. Notice by, 237; his re- 

 viewer reviewed, 359 

 History, a prize question, 76 

 W.;oAr<T*.« expedition to Iceland, 315 

 Ihjdiaulirram, a prize cpiesticn, 76 

 Hydraulic telescope, a prize question, 

 76 

 Jacobi on breeding fish, 324 

 Imuginaliun of v.nlhers. On, 347 

 Indians. Cosmogony of, 261 

 Influm-nalion, remedy for, 130 

 Inslilnli'in, new, proDO'cd, 453 

 lnslTiimcnls,phili)SuiilntuL New, 77 

 Kirwan's anemometer, 247 

 Anient. Singiil irly marked, :H7 



Kyright on origin and formation of 

 roots, 31 



Langedorjf's expedition, 79 



Laplace's Mecanique Celeste, 36, 202, 

 252. Supplement to, 233 



Lfaii;erfsode/ies,70, l-i3,227,30'2,468 

 Lectures, 6, 108, 157, 181,238,471 

 Leech-ivnrm. On the, 376 



Lepere's artificial puzzolano, 178 



Light. Particulars concerning, 359 

 Lnjigchamp on forma Jon of nitre, 334 

 Mammoth. On the, 310 



Masts, sliding tubular, made of iron, 

 428 

 Mecaniqve Celeste. Laplace's, 36, 

 202, 252. Supplement 233 



Medicine, 129, 132, 281, 312, 395, 

 453 

 Medns,f. On, 308 



Merino sheep distributed by the king's 

 orders, ^^^ 



Messaigcr-pigeons, on <raining, 317 

 Meteorology, 80, 157, 161,240,320, 

 398 

 Mill of fishes analysed, 151 



Mineralogy, S17 



Mineralogy. Mitchill's discourse on, 

 125 

 Mitchill's arrangement of minerals, 

 125 

 Moon's node. On determining, 70 

 M',rveau on gun-powder, 154 



Mucus, animal. On, 302 



Muriate of soda. London's process 

 to purify by fusion, 314 



Muriatic aci'l. Davy on, 181,409 

 Muriatic elhnr. On, 153 



Mnscul'ir motion. WoUaston on, 392 

 Mnmnl insintment. A new, 315 

 Nteoiu >naler?ia. Quere, 347 



Naval architecture, improved, 387 

 Nitric elhei: On, 153 



Nitrogen, a compound, lO 



Nutmeg. Proper way to grate 396 

 Ocean. On action of, 19, 137 



Oil if ,ai-itt~e seed. Properties of, 

 319 

 Onions. CSexical products of, 1.51 

 Optics. A prize question, 76 



Patents, 79, 2;«, 319. 393, 471 



Pearson's proposal for a new institu- 

 tion, 4j3 

 Peck on the Icch-worm, 376 

 Pendulum rods. F.. WalUer nn, 3 

 Penus and AUen on respiration, 379, 

 ' 415 

 Phosphoric tlher. On, 15;J 

 Phosplii-riu. Davy on, 1 US. 405 



