INDEX TO VOL. I. 



ACOSTA (Joseph de), Historia natural de las Indias, Notes 25, 168. 

 JSgos Potamos, meteoric stone of, p. 109, 124; Notes 62, 69, 87. 

 Aerolites, (falling stars, meteors, meteoric stones,) p. 105127; Notes 58, 87. 

 Their cosmical and planetary character, p. Ill, 113, 116, 117; Notes 72, 78. 

 November stream of, p. Ill, 114118; Notes 66, 70, 72, 75, 76. August 

 stream of, p. 112, 114, 116, 118; Note 71. Other annual epochs deserving 

 attention, p. 115 ; Note 74. Chinese accounts of aerolites, p. 118; Note 77. 

 Their planetary velocity, p. 51, 109, 112 ; Note 69. Proceed from a common 

 point in the heavens, p. Ill, 112. Their composition similar to that of ter- 

 restrial minerals, p. 51, 120, 121. Peculiarities, p. 119, 120, 121. 

 Agassiz, fossil fishes, p. 264 ; Notes 14, 300, 307. Glaciers, p. 328. 

 Amber, vegetable origin of, p. 273. 



Amber-tree of the ancient world (Pinites succinifer), p. 273. 

 Ampere, on electro-dynamic forces, p. 179; Note 167. 



Anaxagoras, on aerolites and the origin of heavenly bodies, p. 124 ; Notes 69, 89. 

 Andes, see Cordilleras. 



Anghiera (the friend of Columbus), on the discovery of palms and pines growing 

 together, p. 272. On the gulf stream, p. 300. On the snow line under the 

 tropics, p. 327 ; Note 400. 

 Anning (Miss Mary), her discovery of an ancient sepia at Lyme Regis and of 



coprolites, p. 260 ; Note 297. 

 Apian (Peter), direction of tails of comets, p. 94. 

 Apollonius Myndius, on comets, Note 48. 



Arago, on chromatic polarisation, p. 37, 97 ; Notes 16, 51. On comets, p. 95, 97 ; 

 Notes 43, 45, 51. On the light of stars and nebulae, p. 142 ; Notes 31, 115, 119. 

 On magnetism of rotation, p. 169 ; Note 147. On magnetic storms, p. 180. 

 On the faint light of densely clouded nights and of certain fogs, p. 188 ; Notes 

 98, 179. On Artesian wells, p. 211 ; Note 208. On the temperature of the 

 Mediterranean, p. 296. On lightning, p. 335 ; Notes 416, 417. On meteoric 

 dust, Note 61. On a periodical fall of aerolites in April, Note 74. On the 

 increase of temperature at increasing depths, Note 138. On the supposed 

 existence of a line of no horary variation of the declination, p. 172; Note 153. 

 Hourly observations of declination at Paris, and simultaneous disturbance at 

 Paris and Kasan, Note 166 On " polar bands" of cirrous clouds, Note 174. 



