INDEX. 



547 



Birt (W. R.), meteorological observa- 

 tions made during the solar eclipse 

 of May 15, 393. 

 Bishop (J.) on the physiology of the 



human voice, 201, 269, 342. 

 Bitumens, constitution of, 487. 

 Boase (Dr.) on Mr. Hopkins's "Re- 

 searches in Physical Geology," 4; 

 Mr. Hopkins's reply to, 171, 366. 

 Bonnet (G.) on the reducing powers of 



arsenious acid, 230. 

 Botany, 17, 371, 372. 

 Brain of the ne!;ro, on the, 527. 

 Brewster (Sir D.) on the optical pro- 

 perties of chabasie, 1 70. 

 British Association, 228, 312; list of the 

 council appointed at Bristol, 312; 

 reports undertaken for the next meet- 

 ing, 312; grants for the advancement 

 of particular branches of science, 312. 

 Broderip (W. J.) on the genus Mitra, 



Lam., 136. 

 Bromine, its action upon jether, 149. 

 Calcareous spar, artificial, 230. 

 Callan (Rev. N. J.) on a new galvanic 



battery, 472. 

 Cambridge Philosophical Society, 71. 

 Caoutchouc, volatile liquid from, 321, 



479. 

 Carbohydrogen, new combinations of, 



77. 

 Carbonate of lime, its solubility in hy- 



drochlorate of ammonia, 540. 

 Carboniferous series of N. America, on 



the, 124, 407. 

 Cathedrals, destruction of painted glass 



in, 458. 

 Cathedral choirs, neglect and decay of, 



458. 

 Cautley (Capt.) on the Sivatherium gi- 



gantcum, 193. 

 Cavy, new species of, 69. 

 Cephalopoda^ new or rare, 298. 

 Cervus, new species of, 391; remarks 



on the genus, 518. 

 Chabasie, optical properties of, 1 66, 1 70. 

 Chehopoda, proposed name for all mam- 

 mals possessed of hands, 306. 

 Chemical action, modes for examining 

 under the microscope the phteno- 

 mena of, lo. 



electricity, 53. 



flames, on the spectra of, 3. 



science, grants of money for the 



advancement of, 314. 

 Chemistry, microscopic, on, 2, 10. 

 Children (J. G.), notice respecting Dr. 

 Ehrenberg's collections of dried In- 

 ftusoria, and other microscopic ob- 

 jects, 90. 



Chimpanzee, dissection of the, 388. 



Chironectes Yapock, Desm., 610. 



Christie (S. H.) on Capt. Back's mag- 

 netical observations, 523, 529. 



Chromium with fluorine and chlorine, 

 combinations of, 15i. 



Chronometers, glass a substitute for 

 metal balance-springs in, 381. 



Clarke (E. M.), description of his mag- 

 netic electrical machine, 262. 



Coal, in Coalbrook Dale, 383; at Dud- 

 ley and Wolverhampton, 383 ; in the 

 United States, 124; on the coast of 

 Cumberland, 501. 



Coalbrook Dale, geology of, 382. 



Colour, dependent on molecular ar- 

 rangement, 2 ; changes of colour in 

 iodide of mercury, 2. 



Comet, Halley's, 292; ephemeris of, 

 296; Denmark royal medal for comet- 

 ary discoveries, 291. 



Conchology, 32, 1 36, 224, 244, 350, 390 

 498. 



Coordinates, on the relativesignsof,249. 

 Copper, antimonial, 149; acetate of, 

 new species of, 395; sulphates of cop- 

 per and iron, action of oxalic acid on 

 155. 

 Cornwall, geology of, 7. 

 Cowries, hitherto undescribed, 138. 

 Craig (Rev. E.) on microscopic chemis- 

 try, 10. 

 Cranchia scabra. Leach, 298. 



Crosse (A.) on the production of arti- 

 ficial crystals and minerals, 229. 



Crystallization, remarkable changes in 

 the chai-acter of, 13; on the water 

 of crystallization of soda-alum, 26. 



Crystals, artificial, 229,537; optical phe- 

 nomena of certain, 288. 



Cumberland, on the coal-fields of, 501. 



Cuming (Mr.) description of the shells 

 in his collection, 136. 



Dalton (Dr.) on certain liquids obtained 

 from caoutchouc, 479. 



Daniell (Prof) on voltaic combinations, 

 376. 



Davidsonite, a new metal in, 156, 256. 



Decrepitation, on, 316. 



De la Rue (W.) on voltaic electricity, 

 484. 



Derbyshire, on the limestone and grit- 

 stone district of, 173. 



Devonshire, geology oi part of, 495. 



Dew-point, on the, 187, 398. 



Diamond, probability of beingmade, 230. 



Diffraction, experiments on, 403. 



Disjota, on the Rev. J. H. Pratt's de- 

 monstration of a proposition in the 

 Alicaniquc Celeste, 84. 



