44 



REPORTS, ETC. — INDEX OF SUBJECTS. 



Fraunhofer's refractive indices, 1839, 6. 

 Fredericella, Prof. Allman on the poljzoon, 



1850, 306, 336. 

 Fresnel's theory of reflexion, Eev. Dr. Lloyd 



on, 1834, 367. 

 ' theory of double refraction, Eev. Dr. 



Lloyd on, 1834, 382. 

 Friction, P. Erman on the influence of, upon 



thermo-electricity, 1845, 102. 

 Fringillidti?, North American, 183G, 174; 



of Dukhun, 1837, 249; Irish, 1840, 369; 



1852, 291. 

 Fromondi (L.) on earthquakes, 1850, 1 1. 

 Fucoid schists, metamorphosed, in Scandi- 

 navia, Prof. Forchhammer on the, 1844, 



Fuel, report on the consumption of, and 

 the prevention of smoke, by W. Fairbairn, 

 1843, 294; 1844, 100-120:— 



I. The constituents of coal and other 



fuels, 100. 

 II. The relative proportions of the fur- 

 naces and the forms of boilers, 

 103. 



III. The temperature of the furnace and 

 the surrounding flues, 106 ; pyro- 

 meter, 107. 



IV. The economy of fuel, concentration 

 of heat, and prevention of smoke, 

 no; improved stationary boiler, 

 115. 



General summary of results, 116; ap- 

 pendix, 118. 

 Fulah languages, 1 847, 188. 

 Functions, algebraical, R. L. Ellis on the 



theory of the integrals of, 1846, 35. 

 Furnace, W. Fairbairn on the consumption 



of fuel and the prevention of smoke, 1844, 



100, 118. 



, hot-blast, theory of the, 1845, i68. 



Furnace-gases, Prof. Bunsen and Dr. Lyon 



Playfair on, 1845, 142. 

 -— — gases, on the advantageous use made 



of the, at the Ystalyfera iron-works, by J. 



P. Budd, 1848, 75. 

 Fusus of the ^gean Sea, 1843, 139, 190; 

 . Irish, 1843, 257 ; South European, 1850, 



267; North-east Atlantic, 1856, 131; 



West coast of North America, 1856, 343 ; 



British, 1850, 204, 227; 1860, 218. 



Gaboon languages, 1847, 174. 



Gadida5, Irish, 1840, 393; British, 1844, 

 302. 



of the China and Japan seas, Sir J. 



Eichardson on the, 1845, 320. 



of New Zealand, Sir J. Eichardson on 



the, 1842, 26. 



of North America, Sir J. Eichardson 



on the, 1836, 217, 218. 



of the London clay, Prof. Agassiz on, 



1844, 294, 308, 



Galapagos shells, list of, 1856, 359. 



Galeidac of the sea of Japan, Sir J. Eichard- 

 son on the, 1845, 194. 



Galla languages, 1847, 205, 209. 



Gallic acid, process for obtaining, 1831-32, 



503- 



Galvanic experiments to determine the ex- 

 istence or non-existence of electrical cur- 

 rents among stratified rocks, particularly 

 those of the mountain-limestone forma- 

 tion, by H. L. Pattinson, 1839, 23. 



Galvanometer (Gourjon's) at the Kew ob- 

 servatory, on the, 1844, 124; 1851, 336. 



Gammaridse, British, C. Spence Bate on 

 the, 1855, 57. 



Ganocephala, fossil. Prof. Owen on the, 

 1859, 155. 



Ganoidoc of the Devonian system, by Prof. 

 Agassiz, 1842, 87 ; 1843, 194. 



of the Carboniferous system, 1843, 197. 

 of the Permian system, 198. 

 of the Triassic system, 199. 

 of the Oolitic system, 201. 

 of the Cretaceous system, 204. 

 of the Tertiary system, 206. 

 (types recents) of the London clay, M. 

 Agassiz on the, 1844, 303 ; (types 

 anciens), 308. 



Garanceux, Dr. Schunck on the article 

 known in connnerce as, 1848, 59. 



Garancin, a preparation of madder, Dr. 

 Schunck on, 1848, 74. 



Gas-furnace for experiments on vitrifaction 

 and other applications of high heat in the 

 laboratory, Eev. W. V. Harcourt on a, 

 1844, 82. 



Gases and vapours, Dumas's researches on 

 the density of, 1831-32, 421. 



• , physical relations of the, Prof. John- 

 ston on, 1831-32, 447. 



, condensation of the. Prof. Johnston 



on, 1831-32, 450. 



evolved from springs. Dr. Daubeny on, 



1836, 36. 



• — — present in small quantities in atmo- 

 spheric air, coal-gas, &c., W. West on a 

 machine for the detection and measure- 

 ment of, 1838, 316; 1839, 171. 



evolved from iron-furnaces, with re- 

 ference to the tlieory of the smelting of 

 iron, report on the, by Prof. Bunsen and 

 Dr. Lyon Playfair, 1845, 142 ; their appli- 

 cation to practical purposes, 179. 



• from the blast-furnaces at the Ystaly- 

 fera iron- works, J. P. Budd on the ad- 

 vantageous use made of the, 1848, 75. 



Gasteropoda, Eev. L, Jenyns on the state of 

 our knowledge of the, 1834, 223. 



, list of, for local museums, 1855, 1 14. 



of the ^gean Sea, Prof. E. Forbes on, 



1843, 132, 136, 156, 158, 160, 162, 164, 

 165, 167, 169, 186. 



of the North-east Atlantic, &c., E. 



M'Andrew on the, 1856, 115, 144. 



, Irish, 1843, 249; 1852, 292; 1857, 



106-110, 225. 



, microscopic structure of the shells 



of. Dr. W. B. Carpenter on the, 1847, 

 107, 116. 



, British, table of depths, &c. at which 



