INDEX. 



Davy, Mr. his experiments on the tan 

 contained in astringent substances, 2 

 —His account of some new analyti- 

 cal researches on the nature of ceitain 

 bodies, 12, 95— On the metallization 

 of soda and potash, 38, 41 — On -ve- 

 getable astringents, 206, 243— On 

 the nature of alkalies, 285 



Decandolle, M. on the compound 

 flowers of plants, 74 



Degen, M. his mechanical means of 

 aerial navigation, 173 



Descotils on the blue colour in some 

 Egyptian hieroglyphics, 304— On de- 

 tonating silver, 237 



Detonating silver, 237 



Deyeux, M. on vegetable astringents, 

 206, 241 



Dolomieu, M. 223 



Dony, M. his lamination of zinc, 70 



Doors for rooms, improvement in, 59 



Dree, M. his examination of the ex- 

 periments of Sir James Hall, 70 



Duhamel, M. on grafting, 337 



Dumeril, Professor, on the analogy of 

 structure in animals, 72 



Dusodile, a new species of mineral, 

 223 



Earthenware, improvement in the ma- 

 nufacture of, 305 



E. F. G. H. on the application of a se- 

 ries to the correction of the height of 

 the barometer, 81 



Electricity, experiments in, 174, 179, 

 283 



Ellis, Mr. on respiration, 140, SOT 



Endellion, not a simple are of antimony, 

 <Src. 228, 251, 321 



Eringums, 74 



Esper, M. 299 



Euler's hypothesis of sound, 310 



Fecula changed by heat, 319 



Figuier, M. on detonating silver, 237 



Fire, security against, 126 



Fischer, M. 298 



Fluoric acid, see Acid 



Foresyth, Mr, on grafting and budding, 



339, 350 

 Fossil bones, found in America, 76—* 



In Corsica, 193— In Germany and 



Hungary, 295 

 Fourcroy, M. on animal mucus, and 



uree, 72 — On meteoric stones, 190— • 



On the chemical analysis of onions, 



290 

 French National Institute, Transactions 



of, 68, 309 

 Fruit-trees, cultivation of, 158 



Gall, Dr. on the structure of the brain 

 and nervous system, 72 



Galvanic experiments, 179 



Gardom, Mr. 267 



Gay-Lusac, M. on boracic acid, 13, 24' 

 —On fluoric acid, 29— On the con- 

 version of soda and potash into me- 

 tals, 38, 285— On the proportion of 

 metal and oxigen in metallic salts, 71 

 — »On the action of the metal of pot- 

 ash on metallic salts and oxides, and 

 on alkaline and earthy salts, 92 



Gelatine, used successfully in the cure 

 of intermitting fevers, 78 



Gerard, M. his drawings of the alter- 

 ations of solar light, 157 



Girod-Chantrans, M- on the natural 

 history of the department of the 

 Doubs, 78 



Glauberite, a new metal, 65 



Gmelin on vegetable irritability, 262 



Grafting and budding of trees, 337^ 

 346 



Grasses, germination of, 73 



Grape sugar, 71 



Grew, M. 337 



& 2 Hager, 



