; , 



COSMOS 



August, his peychrometer, 33?. 



Augustine, St, his views on spontaneous 

 generation, 345, 346. 



\urora Borealis. general description of, 

 193-202; origin and course, l'J.">, 1% ; 

 altitude, 199 ; brilliancy coincident with 

 the fall of shooting stars, 126, 127; 

 whether attended with crackling sound, 

 199 200; intensity of its light, 201. 



Bacon, Lord, 53, 58 ; Novum Organon, 

 290. 



Bacr, Von, 337. 



Barometer, the, increase of its height, at- 

 tended by a depression of the level of 

 the sea, 298 ; horary oscillations of, 314, 

 315. 



Batten, Mr., letter, on the snow-line of the 

 two sides of the Himalayas, 331, 332. 



Beaufort. Capt, observed the emissions 

 of inflammable gas, on the Caramanian 

 coast, as described by Pliny, 223. See, 

 also, note by Translator, 223. 



Beaumont, Elie de, on the uplifting of 

 mountain chains, 51, 300 ; influence of 

 the rocks of melaphyre and serpentine, 

 in the southern declivities of the Alps, 

 on pendulum experiments, 167; con- 

 jectures on the quartz strata of the Col 

 de la Poissoniere, 266. 



F.eccaria, observation of steady luminous 

 appearance in the clouds, 202 ; of light- 

 ning clouds, unaccompanied by thun- 

 der or indications of storm, 337. 



Beechey, Capt., 97 ; observations on the 

 temperature and density of the water 

 of the ocean under different zones of 

 longitude and latitude, 306. 



Bcmbo, Cardinal, his observations on the 

 eruptions of Mount jEtna, 229 ; theory 

 of the necessity of the proximity of vol- 

 canoes to the sea, 243 ; vegetation on 

 the declivity of ^Etna, 347. 



B6rard, Capt., shooting stars, 119. 



Bertou, Count, his barometrical measure- 

 ments of the Dead Sea, 296. 



Berzelius on the chemical elements of 

 aerolites, 130, 131. 



Benzenberg on meteors and shooting 

 stars, 119, 120 ; their periodic return in 

 August, 125. 



CosscTs theory on the oscillations of the 

 pendulum, 44 ; pendulum experiments, 

 <>4 ; on the parallax of 61 Cygni, 88 ; on 

 11 alley's comet, 102, 103, 104 ; on the as- 

 (lit of shooting stars, 123 ; on their par- 

 tiiil visibility, 128; velocity of the sun's 

 tninslntory motion, 145; mass of the 

 .-tar 01 Cygni, 148; parallaxes and dis- 

 tances of nxed stars, 153; comparison 

 of measurements of degrees, 165, 166. 

 f iot on the phenomenon of twilight, 118; 

 on the zodiacal light, 141 ; pendulum 

 experiments at Bordeaux, 170. 

 f.iot, Edward, Chinese observations of 



comets, 101, 109 ; of ae'rolites, ]>. 

 Uischof on the interior heat of the globe, 



.7. 21I, 235. 241. 2'.' I. 



flaraenbach, his classification of the races 

 tfaien, 356. 



Bockh, origin cf the ;n. i-ient myth oi tbi 



Nemeun lunar lion, li>4, 135. 

 Bouu.-hiwski, falls of shooting stars, 119 



128. 



Bonpland, M., and Humboldt, on the po 

 lagic shells found on the ridge of the 

 Andes, 45. 

 Bopp, derivation of the word Cosmos, 



70. 



Boussingault, on the depth at which is 

 found the mean annual temperUrre 

 within the tropics, 175; on the volca- 

 noes of New Granada, 217 ; on the tem- 

 perature of the earth in the tropics, 220 

 221 ; temperature of the thermal springs 

 of Las Trincheras, 222 ; his investiga- 

 tions on the chemical analysis of the at- 

 mosphere, 311, 312 ; on the mean an- 

 nual quantity of rain in different parts 

 of South America, 333, 334. 

 Bouvard, M., 105 ; his observations on that 

 portion of the horary oscillations of tho 

 pressure of the atmosphere, which de 

 pends on the attraction of the moot) 

 313. 

 Bramidos y truenos of Guanaxuato, 209, 



210. 



Brandes, tails of shooting stars, 114, 116 

 height and velocity ot shooting stars, 

 120 ; their periodic falls, 125, 126. 

 Bravais, on the Aurora, 201 ; on the daily 

 oscillations of the barometer in 70 

 north latitude, 314 ; distribution of the 

 quantity of rain in Central Europe, 334 ; 

 doubts on the greater dryness of mount- 

 ain air, 334. 



Brewster, Sir David, first detected the 

 connection between the curvature of 

 magnetic lines and my isothermal lines 

 193T 



Brongniart, Adolphe, luxuriance of the 

 primitive vegetable world, 218 ; fossil 

 flora contained in coal measures, 280. 

 Brongniart, Alexander, formation of ril> 

 bon jasper, 259 ; one of the founders of 

 the archaeology of organic life, 273. 

 Brown, Robert, tirst discoverer of molec- 

 ular motion, 341. 



Buch's, Leopold von, theory on the eleva- 

 tion of continents and mountain chains, 

 45; on the craters and circular form 

 of the island of Palma, 226 ; on volca- 

 noes, 234, 238, 242, 243, 247 ; on meta- 

 morphic rocks, 249-252, 260, 263, 264 ; 

 on the origin of various conglomerates 

 and rocks of detritus. 269 ; classification 

 of ammonites, 276, 277; physical causes 

 of the elevation of continents, 295 ; on 

 the changes in height of the Swedish 

 coasts, 295. 

 Buckland, 272 ; on the fossil flora of the 



coal measures, 279. 



Button, his views on the geographical dis- 

 tribution of animals, 348. 

 Burckhardt, on the volcano of Medina, 

 JIC; on the hornitos de Jorullo, see 

 note by Translator, 230. 

 Burnes, Hir Alexander, on the purity of 

 the atmosphere in Bokhara, H4j( prop- 

 agation of shocks of earthquakes, 21i* 



