128 INDEX. 



Man, physical qualities of, considered, iii. 38 

 Manatee, how distinguished from the dugong, xii. 373 

 Manganese metallic, properties of, v. 126 



. separation of, from iron, vi. 153, 357. Tartrate of, 



and potash, 15S 

 • the acid of, experiments with, on the cameleon 



mineral, x. 175 



— analysis of the oxides of, xi. 201 



— . atomic weight of, xiii. 23. Native carbonates of, 



analysis of, 435 



> — sulphuret of, experiments on, xv. 150 



— new mode of preserving, xiii. 224 



Manufactories, new mode of warming, xix. 137 

 Manufacture of Etruscan vases, observations on, xx. 1G3 

 Manures, abstract of a dissertation on, xii. 332. Notice of the 



alkalino-vegetable poudrettes of Madame Dubout, 334 

 Manuscripts of Herculaneura, memoir on the present state of, 



vii. 154 



ancient Latin, discovered, x. 201 



Maracaybo (lake), notice of, iii. 337 



Marble, primitive, remarks on the rock-crystal of, xiii. 231 



flexible, notice of, xx. 185 



Marbles of Athens, casts of, at Florence, vi. 178. Of Egina, 



observations on, 327 

 Mar GET (Dr.), experiments of, on the saline contents of sea- water, 



xiv. 388 

 March, 1824, astronomical phenomena for, xvi. 295 

 Marco Polo, abstract of the travels of, vi. 273 

 Margosa oil, properties of, xix. 172 

 Mariegalante, island, geological structure of, v. 317 

 Marine luminous animals, observations on, xi. 248 

 Marsh (Mr.), experiments of, on thermo-electric rotation, xvi. 373 

 Marshes, insalubrity of the air of, bordering upon the sea, xx. 401 

 Martin (James), problem prepared by, vi. 131 



■ on the effects of salt as a manure, x. 69 



Martinico island, geological structure of, v. 317 



