CXX INDEX. 



i 



Buffon, on the geographical distribution of animals, p. 347. 

 Burckhardt, on the volcano of Medina in 1276, p. 234. 



Burnes (Sir Alexander), on aerolites, and on the serene sky and transparent 

 atmosphere of Bokhara, p. 107 ; Note 60. 



Caldas, on the annual quantity of rain at Santa Fe de Bogota, p. 331. 



Caldecott, on the existence of an annual variation of temperature at a depth of 

 six French feet at Trevandrum, Note 139, (Editor). 



Capocci, recurring falls of aerolites, p. 115; Note 74. 



Carlini, pendulum experiments, Note 136, and additions by Editor. 



Carus, his definition of " nature," p. 22 ; Note 11. 



Casselmann, on the magnetic properties of the galvanic aame, Note 170. 



Cassini (Dominic), on the zodiacal light, p. 129, 130; Notes 92, 96. On the CQm, 

 pression of Jupiter, p. 155 ; Note 129. 



Cautley and Falconer, gigantic fossil land tortoise from the Himalaya, p. 268. 



Cavanilles, watched the rapid growth of a bamboo shoot by means of the wires 

 of a telescope, p. 139. 



Cavendish, application of the torsion balance to the determination of the mean 

 density of the earth, Note 136, and addition by Editor. 



Celestial phenomena, p. 73 145; Notes, 31 123. 



Chardin, comet of 1668, called " nyzek" by the Persians, p. 129 ; Note 92. 



Charpentier, on glaciers, p. 328. Fossil remains in granular, or so-called primi- 

 tive, limestone, Notes 272, 277. 



Chemical affinity, p. 50. 



Chevandier, calculations of the small amount of carbon derivable from a given 

 area of the present forests of the temperate zone, p. 271 ; Note 327. 



Childrey, gives the first notice of the zodiacal light in 1661, p. 129, 130 ; Note 

 91. 



Chinese accounts of aerolites, p. 117, 118. Of comets, p. 92, 94, 102; Note 42, 

 Of " fire springs," Note 124. Of magnetic attraction, p. 176 ; Note 162. Use 

 of magnetic compass, p. 169. Notice of streams of lava, p. 233. 



Chladni, on aerolites, meteoric stones, &c. p. Ill, 113, 123, 125; Notes 65, C9. 

 " Figures of sound," p. 125. 



Chromatic polarisation, -see Light. 



Cirro-cumulus, see Clouds. 



Cirro-stratus, see ditto. 



Clarke's experiments on atmospheric electricity at Dublin, p. 334. 



(J. G., of Maine, U.S.), description of the comet of 1843, Note 43. 



Clausen, on comets, p. 101. On the plutonic action of dioritic veins in Brazil, 

 p. 255. 



Climatic distribution of heat, p. 307. 



Climatology, general account of, p. 312327 ; Notes 390397. 



Clouds, luminous, p. 188. Seen above shoals, p. 302, 303. Dove's remarks on, 

 p. 311. Sometimes present a "projected image" of the inequalities of the 

 surface of the ground beneath, p. 311. Connection of cirro-cumulus and 

 cirro-stratus with changes of temperature, &c. p. 338. Connection of cirro- 

 stratus with aurora, p. 182, 183; Note 174. Thunder clouds, their electric 

 state, colour, appearance, altitude, &c. p. 334, 335; Note 415. Volcanic, 

 formed of volcanic steam, p. 222, 223. 



Coal, formed from the vegetation of the ancient world, p. 269, 271 ; Note 326, 32. 



Coal measures, depth of, p. 150 ; Note 125. 



