[ 3 1 



Bbckh, origin of the ancient myth of 

 the Nemean lunar lion, 123. 



Bogusluwski, falls of shooting stars, 

 106,116. 



Bonpland, M., and Humboldt, on the 

 pelagic shells found cm the ridge of 

 the Andes, 25. 



Bopp, derivation of the word Cosmos, 

 52, 53. 



Boussingault, on the depth at which is 

 found the mean annual temperature 

 within the tropics, 168; on the vol- 

 canoes of New Granada, 214; on 

 the temperature of the earth in the 

 tropics, '217, 218; temperature of the 

 thermal springs of Las Trincheras, 

 219; his investigations on the che- 

 mical analysis of the atmosphere, 

 317, 318; on the mean annual quan- 

 tity of rain in different parts of South 

 America, 341 , 342. 



Bouvard, M., 90 ; his observations on 

 that portion of the horary oscilla- 

 tions of the pressure of the atmo- 

 sphere, which depends on the attrac- 

 tion of the moon, 319. 



Bramidos y truenos, of Guanaxuato, 

 204, 205. 



Brande, tails of shooting stars, 100, 

 102; height and velocity of shooting 

 stars, 107; their periodic falls, 113. 



Bravais, on the aurora, 196; on the 

 daily oscillations of the barometer 

 in 70 north latitude, 320 ; distribu- 

 tion of the quantity of rain in Cen- 

 tral Europe, 341 ; doubts on the 

 greater drvness of mountain air, 

 342. 



Brewster, Sir David, first detected the 

 connection between the curvature of 

 magnetic lines and my isothermal 

 lines, 187. 



Brongniart, Adolphe, luxuriance of the 

 primitive vegetable world, 215; fos- 

 sil flora contained in coal measures, 

 283. 



Brongniart, Alexander, formation ol 

 ribbon jasper, 260 ; one of the 

 founders of the archaeology of or- 

 ganic life, 275. 



Brown, Robert, first discoverer of molec- 

 ular motion, 350. 



Buch's, Leopold von, theory on the 

 elevation of continents and mountain 

 chains, 25; on the craters and cir- 



cular form of the Island of Palma, 

 223; on volcanoes, 232, 237, 241, 

 242,246, 247; on metamorphic rocks, 

 249252, 261, 264, 265; on the 

 origin of various conglomerates and 

 rocks of detritus, 271 ; classification 

 of Ammonites, 279 ; physical causes 

 of the elevation of continents, 299; 

 on the changes in height of the 

 Ssvedish coasts, 299, 300. 



Buckland, 274 ; on the fossil flora of 

 the coal measures, 282. 



Button, his views i-n the geographical 

 distribution of animals, 357. 



Burckhardt, on the volcano of Medina 

 246; on the hornitos de Jorullo. 

 See note by Translator, 227. 



Burnes, Sir Alexander, on the purity 

 of the atmosphere in Bokhara, 100, 

 101; propagation of shocks of earth- 

 quakes, 208. 



Caille, La, pendulum measurements at 

 the Cape of Good Hope, 161. 



Caldas, quantity of rain at Santa Fe 

 de Bogota, 341. 



Camargo's M.S. Hlstoria de Tlascala, 

 130. 



Capocci, his observations on periodic 

 falls of aerolites, 113, 114. 



Carlini, geodesic experiments in Lom- 

 bardy, 159, 160; Mount Cenis, 162. 



Carrara marble, 263, 264. 



Carus, his definition of " Nature," 21. 



Caspian 8ea, its periodic rise and fall, 

 301,302. 



Cassini, Dominicus, on the Zodiacal 

 light, 127,128; hypothesis on, 130; 

 his discovery of the spheroidal form 

 of Jupiter, 156. 



Cautley, Capt., and Dr. Falconer, dis- 

 covery of gigantic fossils in the Hi- 

 malayas, 281 ; see also note by 

 Translator, 281. 



Cavanilles, first entertained the idea of 

 seeing grass grow, 140. 



Cavendish, use of the torsion-balance 

 to detennine the mean density of the 

 Earth, 162. 



Challis, Professor, on the Aurora, 

 March 19, and Oct. 24th, 1847, see 

 note by Translator, 190, 194. 



Chardin, noticed in Persia the famous 

 comet of 1668, called ' nyzek,' or 

 ' petite lance,' 128. 



