INDEX. 
BREWSTER (REV. PATRICK), description of a 
fossil tree found in a quarry at Nites-hill. ix. 103. 
BRISBANE (MAJOR-GENERAL SIR THOMAS 
MAKDOUGAL), method of determining the time 
with accuracy, from a series of altitudes of the 
sun, taken on the same side of the meridian. 
viii. 497. 
memoir on the repeating reflecting circle. 
ix. 97. 
method of determining the latitude, by a sex- 
tant or circle, from circum-meridian observations, 
taken near noon. ix. 227. 
astronomical observations made at Paramatta 
and Sydney. x. 112. 
observations before and after the superior 
conjunction of Venus and the sun with the mural 
circle at Paramatta, 1824. x. 330. 
observations on two comets discovered at 
Paramatta in 1824, by Mr Rumker and Mr Dunlop. 
x. 332. 
CADELL (W. A.), on the lines that divide each 
semi-diurnal are into six equal parts. viii. 61. 
description of some Indian idols in the Mu- 
seum of the Society. ix. 381. 
CALCAREOUS SPAR, on a new optical and mine- 
ralogical property of. viii. 165. 
CALCULUS, on the principles of the antecedental. 
P. C. iv. 65. 
CALORIC, on the radiation of. ix. 179. 
CARBON, on the optical properties of the sulphate 
of, by Sir D. Brewster. — vii. 285. 
CARROTS, on the distillation of spirits from. H. ii. 28. 
CAST-IRON, on some economical uses to which it 
may be applied. H.i. 26. 
on the application of the hot blast in the 
manufacture of. xiii. 373. 
CAVALRY, description of some improvements in the 
arms and accoutrements of. v. 247. 
CHALCEDONY, on the formation of. x. 82. 
CHANCE, examination of some questions connected 
with games of. ix. 153. 
CHEVALIER (M.), tableau de la plaine de Troye. 
L. C. iii. 3. 
his tableau de Ja plaine de Troye illustrated 
and confirmed from the observations of subsequent 
travellers and others. L. C. iv. 29. 
CHLORINE, experiments on the relation between 
muriatic acid gas and. ili. 329, 
on the combination of, with the prussiate of 
potash. xi. 210. 
CHLORITE, observations on. xi. 352. 
CHRISTISON (DR ROBERT), chemical examina- 
tion of the petroleum of Rangoon, xiii. 118. 
on the poisonous properties of hemlock, and 
its alkaloid conia. xiii. 383. 
CHRONOMETERS, observations on the errors in the 
sea rates of. ix. 353, 
615 
CHRONOMETER, remarkable case of magnetic in- 
tensity ofa, x. 117. 
CINCHONA BRACHYCARPA, account of the. 
P. C. iii, 205. 
CIRCLE, geometrical investigation of some curious 
and interesting properties of the circle. vi. 21. 
memoir on the repeating reflecting circle. ix.97. 
CLARK, M.D. (PROFESSOR THOMAS), on the 
application of the hot blast in the manufacture of 
cast-iron, xiii. 373. 
CLERK, OF ELDIN (JOHN), fragments of an in- 
tended account of his life. ix. 113. 
CLERK, MAXWELL, BART. (SIR GEORGE), bio- 
graphical account of him. H. i. 51. 
CLIMATE OF RUSSIA, dissertation on the. 
ii. 213. 
COAL, remarks on the coal formation of the great 
valley of the Scottish Lowlands. xiii. 107. 
COAL MINES, observations on the fire-damp of, by 
Dr J. Murray. viii. 31. 
COILSFIELD, description of a stone found at. 
H. iii. 7. 
COLD, experiments and observations upon a remark- 
able, which accompanies the separation of hoar- 
frost from a clear air. P. C. i. 146. 
on certain impressions of, transmitted from 
the higher atmosphere. _ viii. 465. 
COLLINS (WILLIAM), an ode on the popular su- 
perstitions of the Highlands. L. C. i. 68. 
COMPOSITION, HISTORICAL, an essay upon the 
principles of, with an application of those princi- 
ples to the writings of Tacitus. L. C. i. 76, and 181. 
on the dramatic, or ancient form of. L. C.i. 99. 
COMRIE, account of repeated shocks of earthquakes 
felt at Comrie in Perthshire. P. C. iii. 240. 
CONIC SECTIONS, new series for the quadrature of 
the. vi. 269. 
CONJUNCTIONS, grammatical essay on the nature, 
import, and effect of certain conjunctions, particu- 
larly the Greek 4r. L. C. i. 118. 
CONNELL (ARTHUR), description and analysis of 
a mineral from Faroe. xiii. 46. 
analysis of coprolites and other organic re- 
mains imbedded in the limestone of Burdiehouse. 
xiii. 283. 
on the action of voltaic electricity on alcohol, 
ether, and aqueous solutions. xiii. 315. 
CORN, observations on the ripening and filling of. 
H. i. 17. 
COW-TREE, some experiments on the milk of the. 
xi. 235. 
CREMATION, on the origin of, or the burning of the 
dead. Rey. Dr J. Jamieson. viii. 83. 
CRYSTALS, on the effects of pressure in altering the 
polarizing structure of doubly refracting crystals. 
vili. 281. 
CUBIC EQUATIONS, new method of resolving. 
y. 99. 
P. C. 
