INDEX. 
traverse the mica slate of Antrim, 
559. 
Guérin (M.) on potatoe starch, 586. 
Hall (Dr. M.), description of a thermo- 
meter for determining minute differ- 
ences of temperature, 57. 
Halley, remarks on, 144, 214, 220, 225. 
Halley’s comet, 148, 1738. 
Hamilton (Sir W. R.), Royal Medal 
awarded by the Royal Society to, 150; 
theorem respecting algebraic elimina- 
tion, 538. 
Handyside (Dr.) on the offices of lac- 
teals, lymphatics, and veins in the 
function of absorption, 58. 
Hare’s (Dr.) voltaic trough, 116, 119. 
Harris (W.S.) on the attractive and re- 
pulsive forces of magnets, 349. 
Heat :—radiant, 23, 109, 186, 190, 
246,425; undulatory theory of, 246 ; 
its circular polarization by total re- 
flexion, 246; repulsive/power of, 189. 
Heineken (N. S.) on the aurora bo- 
realis of Nov. 18, 1835, 439. 
Henwood (W. J.) on the steam engines 
of Cornwall, 20, 591. 
Herrerite, 261. 
Herschel (Sir J. F. W.), meteorological 
__ observations, 78; on scientific and ge- 
neral education, 432. 
Hodgkinson (E.) on impact and colli- 
sion, 65. 
Hope (Dr.), address on presenting the 
Keith prize to Prof. Forbes, 424. 
Hopkins (W.) on physical geology, 227, 
272, 357. 
Horner (L.) on a substance resembling 
shell, 545. 
Horner (W. G.) on congeneric surd 
equations, 43. 
Hudson (Dr.) on an error in Dr. Ap- 
john’s formula for inferring the spe- 
cific heats of dry gases, 21; on the 
transmission of calorific rays, 109. 
Hydriodic acid, a test for the vegetable 
alkalies, 191. 
Hydrochloric acid, its action on certain 
sulphates, 353. 
Hydrometer, Prof. Stevelly’s, 69. 
Impact and collision, on, 65. 
Inglis (Dr.) on iodine, 12, 191. 
Insects, compound eyes of, 202. 
Integral calculus, 515, 549. 
Interpolation, M. Cauchy on, 459. 
lodine:—essay on, 12,191; its conduct- 
ing power for electricity, 130, 400. 
Tron, on protecting it from the action of 
salt-water, 128. 
Jones (‘I’. W.) on the retina and pigment 
of the eye of the Sepia Loligo, 1. 
597 
Johnson (KE. J.), magnetic experiments 
on an iron steam-vessel, 547. 
Kane (Dr.) on the action of hydro- 
chloric acid on certain sulphates, 353 ; 
on the action of ammonia on the 
chlorides and oxides of mercury, 495. 
Kater (Capt.), list of the papers contri- 
buted by him to the Philosophical 
Transactions, 151. 
Keith (Rev. P.) on the conditions of 
germination, 491. 
Kelland (Mr.) on the dispersion of 
light, 429. 
Kennedy (Dr.) on purulent ophthalmia, 
65 
5. 
Laplace’s (M.) capillary theory, on, 89; 
coefficients, 474. 
Lardner (Dr.) on the theory of gradients 
in railways, 51. 
Lead, cause of its presence in English 
chemical preparations, 267. 
Lecount (Lieut.), reply to Mr. Barlow, 
439, 591. 
Leigh (J.) on a patch of red and varie- 
gated marls, 571. 
Lens, crystalline, of animals, 193, 416. 
Liebeg (M.) on aldehyd discovered by, 
83. 
Light :—apparatus for illustrating the 
polarization of, 70; its action upon 
plants, 415; undulatory theory of, 
7, 24, 113, 204, 247, 270, 305, 413, 
429, 500. 
Lighthouses, experiments on Drum- 
mond’s light for, 238. 
Lime, hydraulic, 591. 
Linnean Society, 75, 255, 345, 423, 
580. 
Liverpool tides, on the, 147, 418, 547. 
Logarithms of unity, on, 281. 
Lubbock (J. W.) on tide observations 
made at Liverpool, 418. 
Lunar observations, on reducing, 373. 
Lyell (C.), address at anniversary of 
the Geological Society, Feb. 19, 1836, 
310; on the occurrence of fossil ver- 
tebre of fish in the loess of the Rhine, 
557. 
MacCullagh (J.) on the laws of re- 
flexion from crystallized surfaces, 103. 
M‘Donnell (Dr.) on the differential 
pulse, 63. 
Magnetic action, 55, 108, 180, 242, 349. 
experiments tried on board an 
iron steam-vessel, 547. 
forces, on the, 55, 108, 242, 
349, 
relations of the metals, 179. 
Magnetism, researches in, 455; ter- 
restrial, 418. 
