INDEX. 



Fourier, terrestrial heat, p. 146, 162, 166 ; Note 137. 



Fracastoro, direction of the tails of comets, p. 94. 



Franklin (Benjamin), low temperature indicative of the presence of shoals, p. SOIL 



-- (Captain) on the aurora, p. 182, 185, 187 ; Note 173. 



Freycinet, pendulum experiments, Note 131. 



Galileo, p. 177 ; Note 49. Vibrations of pendulums, p. 157. 



Galvani, first discovery of galvanism, p. 36. 



Gasparin, rain In Europe, Note 405. 



Gauss, on terrestrial magnetism, p. 168 ; Notes 142, 145, 154, 158. 



Gaudin, artificial production of rubies, Note 294. 



Gay-Lussac, electric tension of surfaces of cloud, p. 223 ; Note 415. Chemical 



analysis of the atmosphere, p. 305 ; Notes 380, 394. Hygrometric observations 



in aerostatic ascent, p. 332. Specular iron, Note 290. 

 Geography, comparative and general, by Carl Ritter, p. 30, 54; Note 26. By 



Bernhard Varenius, p. 54 ; Note 25. 

 -- physical, p. 35, 4549, 2*8-338. 



- of plants and animals, p. 4749, 339, 345350. 

 -- palaeo, p. 274278. 



Geological description of the earth's surface, p. 236278; Notes 241383. 

 Gerard (Captains Alexander and John), on the height of the snow-line, and on 



vegetation on the two declivities of the Himalaya, Notes 5, 403. 

 Geyser, intermitting fountains of, p. 209. 

 Giesecke, on the aurora, p. 185, 186. 

 Gilbert (Sir Humphry), on the gulf stream, p. 300. 



- (William), terrestrial magnetism, Notes 141, 144. Line of no declination 

 in 1600, Note 151. 



Gillies (Dr.), snow-line in Chili, p. 329 ; Note 402. 



Girard, composition of basalt, p. 241. 



Goethe, p. 29, 37 ; Notes 15, 17. 



Goldfuss, remains of flying saurians, Note 305. 



GOppert, origin of amber, amber tree, and ancient v gelation of the Baltic, p. 273, 



274 ; Note 326. Fossil cycadeae, Notes 320, 331. 

 Granite, p. 238240, 275, 276 ; Notes 249, 260. 

 Grimm (Jacob), fanciful meaning given to falling stars m the Lithuanian mytho- 



logy, Note 58. 

 Gulf-stream, p. 300, 301 ; Notes 370-373 (Editor). 



Hall (Sir Jas.), experiments on the fusion of mineral substances, p. 250; Note 261. 

 Halley, large meteor, p. Ill ; Note 87. Light of stars, p. 142. Hypothesis concern- 



ing terrestrial magnetism, p. 161 ; Note 136. Connection of aurora with mag- 



netism, p. 179 ; Note 169. Just view of the general phenomena of terrestrial 



magnetism, Note 158 (Editor). 

 Hansen, mass of the moon, Note 40. 

 Hansteen, magnetic declination lines in Asia and the Pacific, p. 171 ; Note 152. 



Magnetic intensity in Siberia, Note 158 (Editor). 

 Hearne, aurora, p. 186. 



Hedenstrom, " wood hills" in New Siberia, Note 327. 

 Hegel, quotation from, p. 64. 



Heine, crystals of feldspar accidentally produced in a furnace, Note 293. 

 Heinsius, changes of form observed in the comet of 1764, p. 94. 

 Henderson, aurora, p. 186. 



