



INDEX, 



461 







Feldspar in the orbicular diorite of Corsica, 

 113. 



Fendler, botanical collections in New Mexi- 

 co, 452. 



Fiords of Western America, 379. 



of the globe, zones of, evidence of sub- 

 sidence, 379, 380. 



Fischer, N. W., on the Braunau meteoric 



iron, 171. 

 Flood in the Indus, 129. 



in the Maequarie, Australia, 130. 



Gray, A., notice of Hooker's London Journal 



of Botany and Kew Garden Miscellany, 

 453. 7 



, notice of Posthumous papers by Wm. 

 Griffith, 454. 



Great Basin, California, 382. 

 Griffith, A., notice of Posthumous papers of, 

 454. 



Grove, W. R., cooling effects of hydrogen in 

 voltaic ignilion, 274. 



Guckelbenrer, G., volatile products from the 



decomposition of albumen, &c, 107. 

 Gun-cotton, for tooth ache, 304. 

 Guthrie, S,, obituary notice of, 143. 



Force, magnetic form of, M. Faraday, 425. 



Forests of Western America, distribution of, 

 387, 389. 



ossil birds and mammals ofNew Zealand, 28. Guttapercha or taban, 203, 276. 



Fossils of palaeozoic formations of Europe Gypsum of Onondaga salt group, origin of, 



and America, comparative view of, E. del 175. 

 Verneuil, 219. 



ibid, notes on, J. Hall, 221. 



Fossil trees, Kerguelen's island, 318. 

 Foster, E., obituary of, 451. 

 Fownes, G., obituary of, 451. 

 Fundamental principles of mathematics, S. 

 Alexander, 178, 329. 



Furnaces of Ystalyfera, use of gas from, 303. Hri « coc*7 A -V bo ri n g of mollusca, 288. 

 #'?' A., on comparative values of coal for Hauyne, 435. 



H. 



Haldeman, S. S. f notice of Agassiz's Bibliog- 

 raphy, 454. 



Hall, J., translation of Verneuil on Ameri- 

 can and European palaeozoic formations, 

 with notes, 45, 218. 



illumination, 77, 157. 



G. 



Hawaii, old crater adjoining Kilauea, 287. 

 Hecla, rocks and minerals of, F. A. Genth, 

 114. 



Galvanic register to astronomical clock, 206. Height of Maderia, 314. 



ignition, cooling effects of hydrogen in, of antarctic mountains, 325. 



W, R, Grove, 74. of Oregon and California 



W. R Grove, 74. 

 Gas for illumination, on coal for, A. Fyfe, 77, 

 157. 



Gelatine, products of decomposition of, 107, 

 109. 



Gems, crystallized by heat, Ebelman, 427. 

 Genth, on minerals and rocks of Hecla, 114. 

 Geological Society of London, anniversary 

 of, 451. 



of Oregon and California mountains, 



3-43, 337, 388 

 Hell, Hommaire de, obituary of, 451. 

 Herruk, E. C, auroral bow of April, 1847, 



126. 

 , aurora borealis of Nov. 17, 1848, 127, 



2 



Hildreth, S. P., meteorological Journal for 

 |l 1848, 240. 

 Geology, parallelism between European and garnet, F. S., geology of Charleston, 8. C, 

 American, as regards palaeozoic rocks, E. 



de Verneuil, 45, 218. 



of Charleston, S. C, 187. 



- of Crozet group, 317. 



- of Kerguelen Island, 318. 

 of Auckland Island, 322. 



Georgia Historical Society, volume by, no- 

 ticed, 151. 



*Gibbes, R. W>, fossil Squalida? of U. States, 

 441. 



Gibbsite and allophane, B. Silliman,Jr., 411. 



Gilmor, JJL obituary notice of, 142. 



Girard College, magnetic and meteorological 



observations, 455. 

 Glen Roy Roads, 7. 

 Gmeiin's Chemistry, noticed, 456. 

 Goitre, due to magnesian salts in water, 301. 

 Gold in California, 125, 290, 305, 307. 



., assay of, at U. S. mint, 125. 



, rocks accompanying, J. D. Dana, 



187. 

 Hooker's London Journal of Botany and Kew 



Garden Miscellany, 453. 

 Horsjield, T., on the island of Banka, 86. 

 Hunt, E ft, on the dispersion of light, 364. 

 Hunt, R, influence of light in preventing 



chemical action, 272. 

 Hunt, T. S., products of decomposition of 



gelatine. &c, 109. 



, on acid springs and gypsum of Onon- 

 daga salt group, 175. 



Hydrogen, cooling effect* of, in voltaic igni- 

 tion, IV. R. Grove, 274. 



I. 



262 



of Africa, 436. 

 mining in Virginia, 295. 



Goldfuss, A., obituary notice of, 143. 

 Granite of I pper California, 253. 



of antarctic regions, 326. 



Gray, A,, notice of De Candolle's Prodromus, 



309. 

 , notice of botanical collections in New 



Mexico, 452. 



Ice. manufacture of, 280. 



Icebergs of the antarctic, ./. ' Ross, 324 anil 



beyond. 

 Iguanodon, new discover s of bones of, G. 



A. Mnntdl, 150, 438, 439. 



India, tea and American cotton in. 135. 

 Indians of the Upper Sacramento, 38 

 Infinite quantities, considerations on, s ". Al- 

 exander, 333. 



Infusoria of Maryland, 437. 



Interpolations, new formula for, J. IL Alex- 

 ander, 14. 



Inundation, see Flood. 

 jj Involution and evolution by logarithms, J. 

 II L. Riddeil, 232. 





