472 INDEX. 
Respiration. On, ~ 472  Tilley’s blowpipe, _ 280 
Rochon’s heliometer, 461 Transit instrument. .Englefield’s, 1; 
Ronalds on electric column, 415 Grooby on, °105 
Royal Medical Society, Edinlurgh, 388 Truss Socrety, 317 
Royal Soctely,69,154, 227, 305, 385,457 Urine. Case of retention of, 369 
Rudder, temporary: Peat’s 419 Faccinalion at Bagdad, &e. 393 
Rumford on heat developed-in con- F/ases, antique, 313 
densation, |» 64 Fauguelin on mushrooms, 292 
Rumford on calorific power, 212 Vesuvius, eruption 25th Dec. 1818—713 
Scalds and Lurns, to cure, 8 on lava of, 127 
Sementin’s oxygen gas apparatus, 190 Vipers, Remedy for. bite of, 73 
Seppins on ship-building, 228 Jnriality of organized matter, 229 
Ghip-Luilding. New system of, 228,305 Vogel on pretended formation of oxalic 
Silica. Experimenton, _ 90 acid; a4 200 
Silver, On discoloration of, by eggs;62 Volcanoes. De Luc on, + 128 
Singer on electricity, 20, 414; answer 
to, : 364 
Sleep. On phznomena of, 137 
Smithson’s geological theory, De Luc on, 
127 
Sofa for invalids, 451 
Sound, Winter on velocity of, 201 
Stones, meteoric. Catalogue of, 448 
Subsalts. On formation of, 161. pro- 
portions in, 168 
Sugar cane. To cultivators of, 289 
Sulphur, alcohol of. Cluzelon, 408 
Sulphur and charcoal. Reciprocal ac- 
tion of, 408 
Sulphur and oxygen. Combinations, 43 
Surgical cases, 369 
Taunton on retention of urine, 
Telescope. Superiority of the Casse- 
rainian, 387 
Telescopes. Englefield on, 1 
Tennant’s process for obtaining potas- 
sium, : 457 
Thermogen, 23, 101 
369 ° 
Walker (E.) on chemical philosophy, 
22, 101, 250, 284, 349 
Walker (R.) on burns and scalds, 8 
Water, combinations of, with alkalies 
and earths, 51, 887 with salts, 94 
Water of crystallization, Berzelius on, 
‘ ~ 43, 94 
Water, Walker on composition of, 24 
Water-wheels. Improvementon, 321 
Webster on electricity, 17; Singer on,20 
Weights. The French, 
Wheel guard for carriages, $28 
I hitford’s mechanical leech, 268 
Wilson's way to preserve paintings,366 
Winter on propagation of sound, 201 
Witter on respiration of carboni¢ oxide, 
367 
Worms. On habits of, 396 
Year. New determination of length 
of, 309 
Yellow oxide of lead, combinations of 
acids with, 262, 341 
Young on ship-building, 308 
END OF THE FORTY-THIRD VOLUME. 
hl nt 
Printed ly Richard and Arikur Taylor, Shae Lane, London. 
