INDEX TO VOL. VII. 



Academy, Royal Irish, proceedings of, 



371 

 Achromatic telescopes, on a new one, by 



M. Cauchoix, 37t) 

 Acoustics, on a new fact in, 378 

 Adie, Mr, his register of the weather, 



200, 388 

 Airy, Professor, on a peculiar defect in 



the eye, 322 

 Alligator, on the odoriferous gland of the, 



used as a bait, 162 

 Antimony, singular magnetic property of, 



185 

 Apophyllite, on a new locality of, 382 

 Arsenic, on tests for, 379 

 Arseniate of soda, Mr Clark on the, 309 



— on its crystalline forms, 314. 

 Assam, on the north east of, 63. 

 Atkinson on the gold mines of Scotland, 



174 

 Auricula, natural history of, announced, 



192 

 Aurorffi Boreales " in August," 376 

 Auvergne, on the geology of, 362 

 Balloons, on their use in finding the tem- 

 perature of the atmosphere, 249 

 Barlow, Professor, his new telescopes 



with fluid object-glasses, 335 

 Barometrical measurements of Vesuvius, 



by the Earl of Minto, 68 

 Becquerel, M. on electricity from the 



pressure and cleavage of crystals, 379 

 Bedford, Capt, on the Brahma Kund, 56 

 Bell, Thomas, Esq. on the odoriferous 



gland of the alligator, 162 

 Bessel's corrections of Bradley's observa- 

 tions, 375 

 Beust, Baron Von, on remarkable twin- 

 crystals of Phillipsite, 140 

 Birds nests, on the edible ones, 166 

 Birkbeck, Dr, his *' steam-engine theo- 



rectically and practically displayed," 



analyzed, 181 

 Bismuth, singular magnetic property of, 



185 

 Bismuthic Blende, 342 

 Blair, Archibald, Esq. his telescopes with 



fluid object-glasses, 336 

 Boa Constrictors, on the growth of those 



hatched from the egg, 164 

 Botanical acquisitions in India, 384 

 Brahma Kund, account of, 56 

 Breguet, M. account of his life and works, 



201 

 Breton, P. Esq., on the diamonds, &c. of 



Sumbhulpore, J 34 — on the topography 



and animals of some districts in India, 



316' 

 Brewster, Dr, on Oxahverite, a new mine- 

 ral, 115 — his system of popular and 



practical science announced, 193 — on a 



peculiar defect in the eye, observed by 



Professor Airy, 325 

 Bromine, solidification of, 188 — hydro. 



carburet, id. — cyanuret of, 189 — new 



sources of, 190 

 Bronze relict, account of a remarkable 



one, 214 

 Brown, Captain, his system of ornithology, 



192 — his natural history of the auricula, 



id. 

 Buceros, a new species of, 383 

 Butterflies, on an emigration of, 343 

 Camelopard, observations on the, and on 



the live one at Paris, 356 

 Cavern of Adelsberg described, 47 

 Caverns containing bones, account of, 279> 



282 — new ones in France, 383 

 Celestial phenomena, 195, 384 

 Chara, circulation of sap in the, 383 

 Chiru, or Himalayah unicorn described, 



163 

 Christie, S. H. Esq., on magnetism by 



rotation, 287 

 Christison, Professor, on tests for arsenic, 



379 

 Ciliae, on their uses in the gasteropodous 



molluscs, 121 

 Clark, Mr Thomas, on the pyrophosphate 



of soda, 298 — on the arseniate of, 309 



— on a new phosphate of, 31 1 — on liquid 



phosphorus at a low temperature, 381 

 Clinton, De Witt Dr, on the phenomena 



of the Great Lakes of America, 290 

 Cloyne Bishop, (Dr Brinkley,) address to 



him by the -Irish Academy, 372 

 Colquhoun, Dr, his metallurgic memoir 



on the argillaceous carbonate of iron,217 

 Comet, on the remarkable one within the 



orbit of Jupiter, 77~of Dec. 1826, 183 



— on the periodical one of 1819, 273 



— of June 1827, 375— -of August 1827, 



id. 

 Copper ores, on the changes which take 



place in them, 126 

 Cuvier, Baron, on caverns containing 



bones, 279— -on the ancient Scarus, 355 

 Damoiseau, M., on the remarkable comet 



within the orbit of Jupiter, 183, 273 

 Davidson, W. Esq., on the properties of 



some fish oils, 97 

 Davyne, a new mineral, 326 



