[ 4749 
INDEX to VOL. L. 
ACETATE of potash. New process 
to prepare, 314 
Adamson’s horizontal water-wheel, 256 
Aérial navigation. On, 27 
Air in hospitals. Experiments on, 433 
Alcchol to extract from potatoes, 337 
Analyses. Malvern waters, 149 
Annuities. Theorems for value of, 164 
Asthma. Galvanisma remedy for, 226, 
: 297 
Astronomy, 76, 155,233, 236,318, 395, 
409, 440, 468 
Atomic theory. Onthe, 407 
Bakewell’s safety-furnace, 211 
Barometer. A new one, 154; Mountain, 
New scale for, 316 
Beaconing. New system of, 443 
Beams. On transverse strength of,416 , 
Benwell on life annuities, 164 
Biography. Werner, 182; Deluc, 392 
Blow-pipe. On the oxi-hydrogen, 106 
145 
Beats, steam, Parliamentary Report 
on, 50, 83, 167, 243, 327; queries 
respecting, 114, 149; answer to, 287 
Boiling springs of Java, 462 
Bompass on heat, light, and electri- 
city, 136, 366 
Books, New, 65, 130, 224, 297,379, 449 
Boyd on cosmogony, 375 
Bramah’s evidence on steam-engines, 87 
Branchi’s process to purify mercury, 
848; on an oiFfound in nut-galls,401; 
on colour in vegetable tincture, 450 
Brathwaite’s evidence on steam- engines, 
177 
Bridlington. Strata near, 200 
Bruntun’s evidence on boilers, 251 
Cary’s Meteorological Tables, 80, 160, 
240, 320, 400, 473 © 
Cayley on aérial navigation, 27 
Chapman’s evidence on steam- engines, . 
167 
Chemical Philosophy. Walker’s, 38 
Chevreulon mineralcameleon, «291 
Chtorine. What? 231 
Chromatics, On, 72, 128, 241 
Coal-mines, ancient. Discovered, 149 
Cohesion, Specific. On, 413 
Cohesive force. On, 413 
Colchicum autumnale, a remedy for 
gout, 429 
On forming, 
269 
Collectwns, geological, 
Collinge’ s evidence on steam-engines, 
95 
Coloxrs, On, 72, 128, 241, 366 
Cosmogony. Boyd on, 375 
Davy (sir H.) on flame, 3 
Davy (E.) New tinder bux, 230; on air 
in hospitals, 438 
Dawson on steam engines, 287 
Deaths, Mr, Singer, 75; Werner, 75; 
De Luc, $92 
De Luc. Deathof 392 
Dickinson’s patent beacon, 443 
Doda’s iron bridge system, 389 
Dodd’s (G.) evidence on steam engines, 
243 
Donkin'’s evidence on steam engines, 52 
Dragons blood, "To extract the colour 
of, 314 
Dyspepsia. Galvanism a remedy for, 
226, 297 
Eau Medicinale, Experiments with, 429 
Ebling and flowing springs. Cause of, 
81,267 
Economy of Fuel, 388, 462 
Electricity. Elice on, 453 
Ether, Phenomenon connected with, 
387 
Fearn. On general terms, and on vi- 
sion, 379 
Fish, a non-descript 391 
Flame, researches on 3 
Forster (Westgarth) on strata, 216 
(Yhomas) on a new species of 
wren, 296 
Fixtt-trees, to force to bear, 411 
Puel, econo of 388, 462 
Galloway’s evidence on steam engines, 
’ 174 
Galls. On an oil found in 401 
Galvanic Trough improved 145,312 
Galvanivm identified with nervous in- 
fluence 225, 306 
Gases, inflammalle, Exper. on 4 
Geology, 45, 122, 124 ,200, 216, 269, - 
274, 359, 362 
Glass, luminous at 1035° 9 
Glen Roy. On Parallel Roadsof $74 
Granite. Hints on position of 361 
Gravitation denied 35, 101, 219 
Gualtier, on the Atomictheory, 407 
Hare on oxi-hydrogen blow: pipe, 106 
Hall's evidence on steam engines, 179 
Hargreaves on chromatics, 128 
eal, 
