INDEX TO VOL. I. 



ABICH, Hermann, structural relations of 



volcanic rocks, 234. 

 Acos'a, Joseph de, Historia Natural de las 



Indies, 66, 193. 

 \dams, Mr., planet Neptune. See note 



by Translator, 90, 91. 

 &KOS Potamos, on the aerolite of, 117, 



no. 



<Elian on Mount JEtnn, 227. 

 ierolites (shooting stars, meteors, mete- 

 oric stones, fire-balls, <fec.), general de- 

 scription of, 111-137 ; physical charac- 

 ter, 112-123; dates of remarkable falls, 

 114, 115; their planetary velocity, 110- 

 120; ideas of the ancients on, 115, 116; 

 November and August periodic falls of 

 shooting stars, 118-120, 124-126; their 

 direction from one point in the heav- 

 ens, 120 ; altitude, 120 ; orbit, 127 ; Chi- 

 uese notices of, 128; media of commu- 

 nication with other planetary bodies, 

 136 ; their essential difference from 

 comets, 137; specific weights, 116, 117; 

 large meteoric stones on record, 117 ; 

 chemical elements, 117, 129-131 ; crust, 

 129, 130; deaths occasioned by, 135. 



Eschylus, " Prometheus Delivered," 115. 



Etna, Mount, its elevation, 28, 229 ; sup- 

 posed extinction by the ancients, 227 ; 

 its eruptions from lateral fissures, 229 ; 

 similarity of its zones of vegetation to ! 

 those of Ararat, 347. 



Agassiz, Researches on Fossil Fishes, 46, | 

 273-277. 



Alexander, influence of his campaigns on 

 physical science, 353. 



Alps, the, elevation of, 28, 29. 



Amber, researches on its vegetable origin, 

 284 ; Goppert on the amber-tree of the 

 ancient world (Pinites succifer), 283. 



Ampere, Andr6 Marie, 58, 193, 236. 



Anaxagoras on aerolites, 122 ; on the sur- 

 rounding ether, 134. 



Andes, the, their altitude, &c. See Cor- 

 dilleras. 



Anghiera, Peter Martyr de, remarked that 

 the palmeta and pineta were found as- 

 sociated together, 282, 283 ; first recog- 

 nized (1510) that the limit of perpetual 

 enow continues to ascend as we ap- | 

 proach the equator, 329. 



Animal life, its universality, 342-345; as 

 viewed with microscopic powers of vis- ; 

 ion, 341-346 ; rapid propagation and te- I 

 nacity of life in animalcules, 344-346; 

 geography of, 341-346. 



Anning. Miss Mary, discovery- of the ink 

 bag of the eepia, and of coprolites ot : 



> fish, in the lias of Lyme Regis, 97 i, 



272. 



Ansted's, D. T., " Ancient World." Se 

 notes by Translator, 271, 272, 274, 281 

 287. 



| Apian, Peter, on comets, 101. 



i Apollonius Myndius, described the palh* 



of comets, 103. 



Arago, his ocular micrometer, 39 ; duo 

 matic polarization, 52 ; optical consid- 

 erations, 85; on comets, 99-106; polar 

 ization experiments on the light of com- 

 ets, 105; aerolites. 114; on the Novem 

 berfall of meteors, 124; zodiacal liht 

 143; motion ot the solar system, Hti, 

 147 ; on the increase of heat at increas- 

 ing depths, 173, 174 ; magnetism of ro 

 tation, 179, 180 , horary observations of 

 declination at Paris compared with ei 

 multaneous perturbations at Kasun. 

 191 ; discovery of the influence of mag- 

 netic storms on the course of the nto 

 die, 194, 195 ; on south polar bands, 198, 

 on terrestrial light, 202; phenomenon 

 of supplementary rainbows, 220; ob- 

 served the deepest Artesian wells to be 

 the warmest, 223 ; explanation of thj 

 absence of a refrigeration of tempera- 

 ture in the lower strata of the Mediter- 

 ranean, 303 ; observations on the mean 

 annual quantity of rain in Paris, 333 ; 

 his investigations on the evolution ol 

 lightning, 337. 



Argelander on the comet of 1811, 109 ; on 

 the motion of the solar system. 146, 149. ; 

 on the light of the Aurora, 195, 196. 

 Aristarchus of Samos, the pioneer of the 



Copernican system, 65. 

 Aristotle, 65 ; his definition of Cosmos. 69 ; 

 use of the term history, 75 ; on comets, 

 103, 104 ; on the Ligyan field of stones. 

 115 ; aerolites, 122 ; on the stone of jEgos 

 Potamos, 135 ; aware that noises some 

 times existed without earthquakes, 209 , 

 his account of the upheavals of island* 

 of eruption, 241 ; " spontaneous mo- 

 tion," 341 ; noticed the redness assum- 

 ed by long fallen snow. 344. 

 Artesian wells, temperature of, 174, 2-J3. 

 Astronomy, results of, 38-40; phenoaiuni 



of physical astronomy, 43, 44. 

 Atmosphere, the, general description ol, 

 311, 316 ; its composition and admix- 

 ture, 312; variation of pressure, SIS- 

 SI?; climatic distribution ot heat, 313 

 317-328 ; distribut on of humidity, 313 

 328, 3"M; electric condition, 314, 33 

 338. 



