( 613 ) 



INDEX. 



ABERCROMBY (LORD), biographical account of. 

 H. App. iv. 1. 



ABERDEEN, on the latitude and longitude of. P. C. 

 iv. 135. 



ADIE (ALEXANDER J.), on the expansion of 

 stone from an increase of temperature, with a de- 

 scription of the pyrometer used in making the ex- 

 periments, xiii. 354. 



AIR, abstract of experiments made to determine the 

 true resistance of the air to the surfaces of bodies 

 of various figures. P. C. ii. 29. 



ALCOHOL, on the action of voltaic electricity on. 

 xiii. 315. 



ALGEBRAIC EQUATIONS, on the use of negative 

 quantities in the solution of problems by. P. C. 

 i. 131. 



ALISON, LL. B. (REV. ARCHIBALD), memoir of 

 the life and writings of the Hon. Alexander Fraser 

 Tytler, Lord Woodhouselee. viii. 515. 



ALISON, M.D. (PROFESSOR WILLIAM P.), on 

 single and correct vision, by means of double and 

 inverted images on the retinse. xiii. 472. 



ALLAN (ROBERT), abstract of a paper accom- 

 panying a suite of volcanic rocks from the Lipari 

 Islands, presented to the Royal Society, xii. 531. 



ALLAN (THOMAS), remarks on a mineral from 

 Greenland, supposed to be crystallized gadolinite. 

 vi. 345. 



on the rocks in the vicinity of Edinburgh. 



vi. 405. 



on the transition rocks of Werner, vii. 109. 



an account of the mineralogy of the Faroe 



Islands, vii. 229. 

 ■ sketch of the geology of the environs of Nice. 



viii. 427. 

 — — — description of a vegetable impression found in 



the quarry of Craigleith. ix. 235. 



observations on the formation of chalk strata, 



and on the structure of the belemnite. ix. 393. 



1 on a mass of native iron from the desert of 



Atacama, in Peru. xi. 223. 

 ALLANITE, experiments on, a new mineral from 



Greenland, vi. 371. 



AMETHYST, remarks on the distribution of the co- 

 louring matter in the. ix. 139. 



ANCRAM (EARL OF), description of some improve- 

 ments in the arms and accoutrements of liglit ca- 

 valry, &c. v. 247. 



ANDERSON (DR JAMES), on some economical uses 

 to which cast iron may be applied. H. i. 26. 



ANDERSON (THOMAS), pathological observations 

 on the brain. P. C. ii. 17. 



ANTIMONY, account of experiments on. H. i. 16. 



APOPHYLLITE, account of a remarkable structure 

 in, with observations on the optical peculiarities of 

 that mineral, x. 317. 



AQUEOUS SOLUTIONS, on the action of voltaic 

 electricity on. xiii, 315. 



ARCHITECTURE, on the origin and principles of 

 Gothic. P. C. iv. 3. 



ARTHUR'S SEAT, of certain natural appearances of 

 the ground on the hill of. P. C. ii. 3. 



ARTS. Remarks on the progress of the arts among 

 the ancient inhabitants of Scotland. L. C. ii. 3. 



ASBESTUS, observations on. xi. 352. 



ASIA, on the ancient geography of central and east- 

 ern, viii. 171. 



ASTRONOMY of the Brahmins, remarks on the. P. C. 

 ii. 135. 



ATMOSPHERIC REFLECTIONS and REFRAC- 

 TIONS, description of some remarkable, observed 

 in the Greenland sea. ix. 299. 



AURORA BOREALIS observed in daylight. H. v. 7. 



B ABB AGE (CHARLES), an examination of some 

 questions connected with games of chance, ix. 153. 



on the aj>plication of analysis to the discovery 



of local theorems and porisms. ix. 337. 



BACON (LORD), remarks illustrative of the scope and 

 influence of the philosophical writings of. viii. 373. 



BALFOUR (DR), on the diurnal variations of the ba- 

 rometer. H. iv. 23. 



BARBADOES, account of a hurricane at. H. i. 30. 



BARNES (DR THOMAS), results of a meteorological 

 journal kept at Carlisle by the late Mr William Pitt 

 during twenty-four years, xi. 418. 



