e0 [ 490 ] 
INDEX to VOL. XLII. 
A DAMS, on defects of vision, &c. 
70 
Agaric. Intoxi¢ating power of, 314 
Agate, remarkable property of, 287 
Air, heat, and moisture. Relations of, 
, 44 
Alcohol. On freezing of, 117 
Alcohol. State of in fermented li- 
quors, ? a11 
Allan on transition rocks, 15, 91. 
Reply to, 439 
Ammonia. Constituents of, 182, 270 
Ammonium. Products of with oxy- 
gen, 270 
Analysis of muriate of ammonia, 40; 
muriate of lime, 138; lime, 138 ; 
baryta, 135; muriatic acid, 139; 
water, 139; sulphuretted hydro- 
gen, 140; carbonic acid, 1723 
gazeous oxide of carbon, 172; 
carburetted hydrogen, 173.—See 
Normal analyses 2 
Anatomy, 74, 142 
Anatomy of plants, 276, 390, 474, 366 
Antiquities, 146, 224, 307 
Apariments to cool, 285 
Architecture. On, 82 
Arragonite. Composition of, 25 
4rsenic acids. Components of, $75 
Arseniates. On, WH. 
Arsenites. On, 375 
Aris, fine. Galt on, 81 
Astronomers royal, 9 
Atmometer. Leslie’s, 44 
Azote. A prize question, 145; com- 
ponents of, 27 
Bakewell’s Geology. On, 58,103,121, 
164, 246, 356 
Baryta. Composition of, 138, 180 
Bear Island. Discovery in, 313 
Berzelius on definite proportions, 40, 
? 135, 171, 265, 371, 440 
Biogtaphy. Maskelyne’s life, 3 
Biot on périscopic spectacles, 388 
Blagden on sight, 348 
Books, new, 69, 228, 318, 392, 486 
Brande on alcohol, 211 
Brande on urinary calculi, 347 
Brewster on properties of light, 286 
Brodie on muscular motion, $94 
Building. On, 82 
Carltonate of barita, components of, 
179, 372; of lime ditto, 372; of 
soda ditto, 372 
Carbonic acid. Constituents of, 1725 
combinations of, 37) 
Carbonic acid in combination. On, 371 
Carluretted hydrogen. Components 
of, 173 
Cary’s Meteorological Talles, 80, 160, 
249, 320, 400, 489 
Cassagrane telescope. Superiority of, 
149 
Cataract. New operation for, 494 
Chalyleate spring at Melksham, 145. 
Charcoal. Heat from, 297 
Chevereul on oxide of lead, 35 
Children’s galvanic battery, 144 
Coal found in Bear Island, 313 
Collurn, Zerah. On family of, 491 
Cold, artificial. On, 73, 117, 282, 424 
Cold, intense, to produce, 73 
Colours. On systematic arrange- 
ment of, 119, 827 
Colours. On changeable, 292 
Congelation by cold, 73, 117, 282, 
424 
Creighton on slate, 224 
Croup. Specific for, 313 
Crystallization. New law of, 26 
Crystals. Element. particles of, 61 
Davy on a new detonating substance, 
72,190,321; on fluoric compounds, 
73, 404 
Deafand Dumb. Tuition of, 485 
Definite proportions. On, 40, 135, 
171, 265, 371, 440 
De Luc on St. Michael’s mount, 429 
Detonating substance. Anew, 72, 190, 
321 
Dispersive powers of doubly refracting 
crystals, 290 
Dividing lines and circles. Instrument 
for, 401 
Earthquake at Teneriffe, 316 
Electricity. Singer on, 36, 261, 317; 
Walker (E.) on, 161, 215, 371, 4853 
experiment, 202 
Elon tree. New substance from, 204 
Eyes. On diseases of, 70 
Farey’s geolog. remarks, 53, 103, 164, 
246, 356; Bakewell’s reply to, 121 
Fermented liquors. On alcohol in, 211 
Fine arts. Galt on, 81 
Firminger on time-keepers, 241 
Fiuates. On, * 417 
Fluo-toracic acid gas. On, 409 
Fluor spar. Davy on, 407 
