464 
Eclipses, phenomena of, 65; computa- 
tion of, 243. 
Electricity, transmission of by flame 
and gases, 359; velocity of in dif- 
fferent kinds of wire, 352; heating 
effects of, 119 (see Faraday, Frank- 
land, Grove). 
Electric Currents in Plants, 75. 
— Induction, 345. 
— Force, 217. 
— Telegraph wire, Experiments on 
346 ; piece of exhibited, 442. 
Electro-biology, 147. 
Electro-magnetic Clocks, 109. 
Entasis, tables of, 128. 
Ethyl, production of, 326. 
Exhibition of 1851, Remarks on, 151. 
Farapay, Professor, on the Magnetic 
relations of Oxygen and Nitrogen, 1. 
— on Atmospheric Magnetism, 56. 
— on Electric currents in Plants, 75. 
— on Artificial production of the 
Ruby, &c. by M. Ebelmen, 83. 
— on Schiénbein’s Ozone, 94. 
— on the lines of Magnetic Force, 
105, 216, 229. 
— on the researches of Boussingault 
and others on Oxygen, 337. 
— on Electric Induction— Associated 
cases of current and static effects, 
345. 
— on Vibrations and Tones of Heated 
bodies, 356, 358. 
— on Magnetic Hypotheses, 457. 
Food of Man under different condi- 
tions, 313. 
Forbes, Professor E. on the natural 
history of the British Seas, 17. 
—- on the supposed analogy between 
the life of an individual and the 
duration of a species, 193. 
— on some new points in British 
Geology, 316. 
— on the manifestation of Polarity 
in the distribution of beings in 
time, 428. 
Forbes, Professor J. D., his laws on 
vibrations and tones of heated 
bodies, 356. 
Fossils in Nova Scotia Coal-fields, 281. 
Foucault’s Pendulum Experiment, 70. 
Frankland, Dr. E., on the employment 
of Chemical Light for artificial illu- 
mination, 319. 
— on the Chemical properties of 
compounds and the Electrical cha- 
racter of their constituents, 451. 
INDEX. 
Freeman, E. Esq., on the Principal 
Styles of Architecture, 268. 
Frog, development of, 9. 
Gas, comparison of various kinds of, 
320-4. 
Gautier on the solar spots, 238. 
Geisers of Iceland, 332. 
Geology —of the Alps, 31; Lake Su- 
perior, 154; London, 164; Ingle- 
borough, 278; Nova Scotia, 281; 
Isle of Wight, &c. 316. 
Geological Time, remarks on, 287, 
428. 
Gerhardt’s discovery of anhydrous or- 
ganic acids, 239. 
Gillett, W.S. Esq., his improvements 
in Microscopes, 403—405. 
Gladstone, Dr. J. H., on Chemical 
Affinity, 416. 
Gold, extraction of from its ores, 205; 
large nugget from California, 3. 
Grape-fungus, Oidium Tuckeri, de- 
scribed, 305. 
Grove, W. R. Esq., on the Heating 
effects of Electricity and Magnetism, 
119. 
— on the transmission of Electricity 
by flame and gases, 359. : 
Gull, Dr., on Voluntary Movement, 
37. 
> 
Heat, conduction of, 254; see Bou- 
tigny, Tyndall. 
Heat and Light, analogies of, 172. 
Heating effects of Electricity and Mag- 
netism, 119. 
Herschel on chemical rays of Light, 
259. 
Hosking, W. Esq., on Ventilation by 
the parlour fire, 76. 
Huxley, T. H. Esq., on Animal In- 
dividuality, 184. 
— on the identity of structure of 
plants and animals, 298. 
— on the common plan of animal 
forms, 444. 
Hydrogen and its homologues, 325. 
ICELAND, 
329. 
Iguanodon, structure of, 141. 
Illumination by Chemical light, 319. 
Individuality, Animal, 184, 193. 
Ingleborough, Geological Sketches 
round, 278. 
Insanity, characters of, 375. 
Iron, Manufacture of, 434. 
eruptive phenomena of, 
