INDEX tro VOL. XLVIL 
Aoi. Newly discovered uegetatle, 
16; malic, 17; prussic exists in opium, 
155; nitric, on constituents of, 156; 
todous, What? 217; rosacic, exper. 
on, 228; phosphoric, Thomson on, 
$04; prussic, analysis of, 311, now 
called hydrocyanic, 312; oxalic, on, 
S91 
Arial navigation, 81, 183, 220, 321, 
429 
Aérolile which fell in Moravia, 174; at 
Langres, a 349 
4frica, Expedition to, 714 
Agates, Tricks to deceive with, 173 
digebraic expression of the value of 
lives, 3 
Alumine. Phosphate of, 230 
Amianthus cloth, 227 
Ammonia. Composition of, 156 
Ampere, M. on classification of simple 
bodies, 438 
Analysis cf Malambo bark, 231; of 
prussic acid, 311; of meteoric stones, 
353 
Aqua regia. Sir H, Davy on, 303 
Arago on refraction of liquids, 375 
Architecture, practical, 161; Roman, 
187 
Astronomic refraction. On, 23, 36 
Astronomy, Planisphere of Dendera, 
133 
Aimosphere. Dispersive power of, 36 
4urochs (bos urus.) Description of, 250 
Azole, a compound, 156 
Bacon's life and writings, 141 
Balioons, aerial. On, 81, 183, 220, 321, 
429 
Barometer with iron tube, 
Bazaar. The Soho, 74 
Beet-reot. Culture of, 333, 416 
Bevelled wheels. Queries respecting, 
76 
Bidder the calculating boy, 314 
Bilter principle, 19 
Black sea, and Caspian sea, On level 
of, 364 
Blowing machine, 372 
Bradley's theorem. On, 23 
Brewster on radiation of heat, 68; on 
double refraction, 151, 209; chro- 
matic themometer of, S09 
Brown on meteorologicalnomenclature 
$ 107 
Brown on practical architecture, 
Buchannan on steam- boats, - 
Butter of silver, 
Capillary action of tube of barometer 7) 
on the mercury, 102 ¥} 
Capiilary altraction. Ivory on, 209 | 
Carbonate of strontian in Giant’s Cause- 
way, 43, 130 
Cary’s Meteorological Tables, 46, 160, 
240, 320, 400, 473 © 
Carrots. On preserving, 288 7 
Carter's safe-lamp for mines, : 49% 
Caspian sea and Black sea. On levels 
of, S64 
Castel’s theory of colours, 65 
Cayley, Sir G,, on aérial navigation, 
81, 321, 394 
Caylus on painting and sculpture, 86 
Chaptal on beet-root sugar, 
Chemical philosophy. Walker’s, 94 
Chemical science. State of, 
Clement on ligneous matter, 
Coal-mines. Ventilation of, ' 
Colouring. Theory of, 65 
Columbium found in Bohemia, 157 
Cosmogony of Moses, 9,110, 179, 241, 
: 258, 339, 346, 431 
Crystallizalion. Curious memoir on, 
305; Daniel on, 299 
Cumberland. Geology of, 41, 131 
Cyanogene. What? 3:2 
Davy’s fulminating platina, 397 
Davy’s safe-lamp, 51, 67, 68, 117, 248, 
312- 
Davy (Sir H.) on aqua regia, 303 
Dendera planisphere, 133 
De Serres on menagerie at Schoenbrunn, 
249 
Dispersive power of liquids, 575 
Dobereiner on chemical science, 214 
Donovan on a new acid, 163; answer of 
to ‘ Remarks,” 167; his process for 
purifying silver, 204 ; Howldy’s re- 
ply to, 285 
Drawings to copy, 132 
Drummond, 'The Rev, 'T. on meteoro- 
logy, 434 
Earthquake at Madeira, 232 
Edgeworth on aérial navigation, 183 
