620 INDEX. 
IVORY (JAMES), rule for reducing a quare root to 
acontinued fraction. H. v. 20. f 
new method of resolving cubic equations. 
v.99, 
new and universal solution of Kepler’s pro- 
blem. vy. 203. 
JACKSON, LL.D. (THOMAS), elementary demon- 
strations of the composition of pressures. viii. 245. 
JAMIESON (REV. DR JOHN), explanation of the 
old word skull or skull. H. v. 29. 
on the origin of cremation, or the burning of 
the dead. viii. 83. 
JOHNSTON, A:M. (JAMES F. W.), on the com- 
bination of chlorine with the prussiate of potash. 
+ 210. 
KEITH (ALEXANDER), description of a mercurial 
level. P. C. ii. 14, 
improvement of the mercurial level. H. 
iy. 17. 
description of a thermometer which marks the 
greatest degree of heat and cold from one time of 
observation to another. P. C. iv. 203. 
des¢ription of a barometer, which marks the 
rise and fall of the mercury from two different 
times of observation. P. C. iv. 209. 
KEITH prize, account of the establishment of a scien- 
tific prize by the late Alexander Keith, of Dunottar. 
ix. 259, 
first biennial prize, from the donation of the 
late Alexander Keith, adjudged to Dr Brewster. 
xi. 506. 
second do. adjudged to Thomas Graham, of 
Glasgow. xii. 555. 
third do, adjudged to Sir Dayid Brewster. 
xii. 568, 
fourth do. adjudged to Professor James D. 
Forbes. xiii. 576. 
KENNEDY (DR ALEXANDER), accounts of anon- 
deseript worm (ascaris pellucidus) found in the eyes 
of horses in India. ix. 107. 
account of the erection of a granite obelisk, of 
a single stone, about seventy feet high, at Seringa- 
patam. ix. 307. 
KENNEDY (DR ROBERT), chemical analysis of 
three species of whinstone, and two of lava. v. 76. 
chemical analysis of an uncommon species of 
zeolite. vy. 293. 
KEPLER’S PROBLEM, a new and universal solution 
of. v..203. 
KNOX (DR ROBERT), observations on the compa- 
rative anatomy of the eye. x. 43. 
on the philosophical anatomy of the canal of 
Petit. x. 231. 
observations to determine the dentition of the 
dugong, and on the anatomical structure of certain 
of the cetacee, xi, 389. 
KNOX (Dr ROBERT), observations on the structure 
of the stomach of the Peruvian lama. xi. 462. 
observations on the natural history of the 
salmon, herring, and vendace. xii. 462. 
KRAKEN, letter relative to the. H. ii. 16. 
LABRADOR FELSPAR, on certain new phenomena 
of colour in. xi. 322. 
LAMA, observations on the structure of the stomach 
of the Peruvian. xi. 479. 
LAMP, description of a monochromatic, for microsco- 
pical purposes. ix. 483. 
LANGUAGE, on written language as asign of speech, 
H. ii. 5. 
on one source of the non-Hellenic portion of 
the Latin language. xiii. 494. 
observations on the theory of. ii. 887. 
LATITUDE, method of determining the, by a sex- 
tant or circle, from cireum-meridian observations, 
taken near noon, ix. 227. 
LAUDER (SIR THOMAS DICK), on the parallel 
roads of Lochaber. ix. 1. 
LAVA, experiments on. v. 43. 
chemical analysis of two species of lava. v.76. 
LAWS (BYE) of the Royal Society. Vide Society. 
LEGISLATURES, EUROPEAN, essay on the origin 
and structure of the. L. C. i. 8. and 135. 
LESLIE (PROFESSOR JOHN), on the resolution of 
indeterminate problems. P. C. ii. 193. 
on certain impressions of cold transmitted from 
the higher atmosphere. vil. 465. 
LETTER from the Teshoo Lama of Thibet, to Warren 
Hastings, Esq. H. ii. 19. 
LEVEL, description of a mercurial level. P. C, ii. 14. 
improvement of the mercurial. Hy iy. 17. 
LEVER, demonstration of the fundamental property 
of the. vi. 397. 
LIGHT, on the motion of, as effected by refracting 
and reflecting substances, which are also in motion. 
P. C. ii. 83. 
— experiments and observations on the unequal 
refrangibility of. P. C. iii. 3. 
dissertation on the philosophy of. H. iv. 7. 
on the action of transparent bodies upon the 
differently coloured rays of light. viii. 1. 
on the absorption of, by coloured media. 
ix. 445. 
on a new analysis of solar light indicating 
three primary colours, forming coincident spectra of 
equal length. xii. 125. 
LIMESTONE OF BURDIEHOUSE, on the fresh 
water. belonging to the carboniferous group of rocks. 
xiii. 169. 
analysis of coprolites and other organic re- 
mains imbedded in the. xiii. 283. 
LINDSAY (JOHN), account of the quassia polyga- 
ma, and of the cinchona brachyearpa. P. C. iii. 205. 
LOCHABER, on the parallel roads of. ix. 1, 
