INDEX. 



Abessinia, languages of, remarks on, by Dr Beke, 265. 



Acid springs and gypsum deposits of the upper part of the Sihirian 

 system, by T. S. Hunt, of the Geological Survey of Canada, 

 50. 



Adamantine mineral, a new species from Brazil, described, 187- 



Aerolites, and a mass of meteoric iron, found in Western India, ac- 

 count of, by Dr H. Giraud, 53. 



Air and water of towns, observations on, 371. 



Andex'son, Thomas, M.D., on a new species of manna, 132. 



Anthracite formation, its plants considered, 121. 



Arkansite, a new mineral, discovered by Professor Shephard, and ana- 

 lysed by Mr Whitney, 192. 



Atmospheric carbonic acid, observations on, 373. 



Atmospheric ice, great mass of, 371. 



Aurora borealis observed at Prestwich, near Manchester, described 

 by William Sturgeon, 147 ; his theory of the aurora borealis, 

 225. 



Balfour, Professor, his Manual of Botany noticed, 199 ; his notice 

 of some Plants which have flowered in the Royal Botanic Gar- 

 den, 188; his account of Aconituni ferox, raised in the Edin- 

 burgh Horticultural Garden, 366. 



Beke, C. T., Ph. D., on the languages of Abessinia, 265. 



Berzelius, his life and writings, by M. P. Louyet, 1. 



Blood spots, miraculous, on human food, explained, 195. 



Bunsen, Professor, on the colour of water, 95. 



Carboniferous fauna of America compared with that of Europe, by 

 Ed.de Verneuil, 117. 



Chrome and Meerschaum of Asia Minor, 377. 



Chniate of Italy, 191. 



Cloves of Amboyna, account of, 198. 



Co-existence of certain Saurian and Molluscous forms at equal geo- 

 logical times, 129. 



Comets, account of, by Sir J. F. W. Ilorschel, 248. 



VOL. XLVII. NO. XCIV. — OCTOBEK 1849. 2 U 



