216 
Forbes (Prof.) on the temperafure and 
conducting power of different strata, 
434. 
Fossil reptiles, British, 444. 
Fox (R. Were), observations on sub- 
terranean temperature, 309. 
Geography, 443. 
Geology, 443. 
Harris (Mr. W. Snow) on Prof. Whe- 
well’s anemometer, 157. 
Heart, motions and sounds of the, 163. 
Heat, transmission and refraction of, 
2,7. 
, reflexion of, 10; analogies of 
light with, 10; radiation of, 14; re- 
pulsive power of, 20; polarization 
of, 21; circular and elliptical po- 
larization of, 23; polarization of 
from different sources, 25, 28. 
, radiant, 1; unpolarized, 2; po- 
larized, 21. 
, intensity of reflected, 32. 
Henslow (Rey. J. S.) on the preserva- 
tion of animal and vegetable sub- 
stances, 421. 
Herschel (Sir J.) on the reduction of 
meteorological observations made at 
the equinoxes and solstices, 432. 
Histoire Céleste, reduction of the stars 
in the, 426. 
Human race, varieties of the, 447. 
Hudson (Dr.) on the radiation of 
heat, 15. 
Humidity, 95. 
Ice, formation of, 20. 
Ireland, fauna of, 353. 
Tron, action of air and water upon, 
221; of paints and varnishes upon, 
240. 
, cast, in simple contact with zinc 
immersed in fresh water, 248, 250; 
in sea water, 249. 
, wrought, in simple contact with 
zinc immersed in fresh water, 250. 
, zinked, immersed in sea water, 
251. 
——-, zinked surface necessary to pro- 
tect, when immersed in sea water, 
252. 
, in metallic contact with zinc 
immersed in fresh water, 252, 254; 
in sea water, 254. 
INDEX I, 
Lophobranchi, 396. 
Lunar observations, 425. 
Lunar and planetary observations, 
reduction of the Greenwich, 425. 
Iungs and air-tubes, physiology of 
the, 411. 
Magnetism, terrestrial, scientific co- 
operation of the Association in the 
researches relative to, 427. 
Mallet (Robert) on the action of air 
and water upon iron, 221. 
Mammalia, 355. 
aquatica, 362. 
Mechanical science, 446. 
Melloni (M.) on the transmission and 
refraction of heat, 2. 
on the reflexion of heat, 10. 
, and Prof. Forbes, on the analo- 
gies of heat and light, 10. 
, hew phenomena of trans- 
mission, 11. 
, polarization of heat from differ- 
ent sources, 25, 
, equal polarizability of heat from 
different sources, 28. 
Meteorological observations, hourly, 
kept at Inverness and Kingussie, 
349. 
made at the equinoxes and sol- 
stices, reduction of, 423. 
Meteorology, report on, 37. 
, optical, 120. k 
Meteors, 117. 
Murchison (R. I.), and Major Edward 
Sabine, their address, xxxv. 
Natural History, 444. 
Osler (A. Follett) on the observations 
recorded during the years 1837, 
1838, 1839, 1840, by the self-regis- 
tering anemometer erected at the 
Philosophical Institution, Birming- 
ham, 321. 
Owen (Prof.) on British Fossil Rep- 
tiles, 443. 
Pectinibranchii, 384. 
Pisces, 384. 
Planets, 424. 
Powell (Rev. Baden) on the recent 
progress of discovery relative to ra- 
diant heat, 1. 
, repulsive power of heat, 20. 
