EXC 



423 



FRU 



DaviSj his account of Chinese 



manure, 193. 

 Death from nutritious substances, 

 59. 



The source of life, 105. 

 DecandoUe, his theory of excre- 

 tion, 163. 



Difference of his views and 

 those of Macaire-Princep, 167. 

 Decay, 292. 



A source of ammonia, 88. 



Of wood, 361. 



Of plants restores oxygen, 84. 

 and putrefaction, 291. 

 Decomposition. 68, 289. 



Organic, chemical, 291. 

 Dextrine, 56, 57. 

 Diamond J its origin, 363. 

 Diastase, 136. 



Contains nitrogen, 136. 

 Disease J how excited, 386. 

 Dog, excrement of the, 175. 

 Dung hills, liquid from, 191. 



Reservoirs, 191. 



Substitute, 187. 



Ebony wood, oxygen and hy- 

 drogen in, 53. 

 Effete mxitters separated, 68. 

 Eifet, springs evolve carbonic acid, 



29. 

 Elements of plants, 24 



Not generated by organs, 59. 

 Elphinstone, Sir Howard, on soda- 

 ash as a manure, 207. 

 England, analysis of soils in, 242. 

 Equilibrium of attractions dis- 

 turbed, 298. 

 EquisetacecB contain silica, 171. 

 Eremacausis, 63, 299. 

 Analogous to putrefaction, 328. 

 Arrested, 323. 

 Definition of, 299. 

 Necessary to nitrification, 335. 

 Of bodies containing nitrogen, 



334. 

 Of bodies destitute of nitrogen, 

 329. 

 Ether, oenanthic, 344. 

 Etiolation, 46. 

 Eudiometer, 90. 

 Excrementitious matter, production 



of, illustrated, 71. 

 Excrement, animal, its chemical 

 nature, 175. 

 Of the dog, cow, &c., 175. 

 Influence of, as manure, 180. 



Excrements of plants, 163. 



Conversion of, into humus, 35. 



Of man, amount of, 195. 



Value of, 189. 



Preservation of, 193. 

 Excretion, organs of, 72. 



Of plants, theory of, 163. 

 Experiments in physiology, object 

 of, 56. 



Of physiologists not satisfactory. 



Extract of humus, 31. 



Fallow, changes from, 152. 



Crops, 159. 



Time, 159. 

 Fattening of animals, 146. 

 Fceces, analysis of, 179. 

 Ferment, 313, 314. 

 Fermentation, 299, 300. 



Causes of, 292. 



Of Bavarian beer, 348. 



Of beer, 349. 



Gay-Lussac's experiments in, 

 330. 



Of sugar, 313. 



Of vegetable juices, 314. 



Vinous, 338. 



Of wort, 3.39. 

 Fertility of fields, how preserved, 



181. 

 Fires, plants on localities of, 154. 

 Firs, succeed oaks, 164. 

 Firioood, analysis of its ashes, 111. 

 Fishes, in salt-pans, 121. 



As manure, 259 

 Flanders, manure in, 193. 

 Fleabane, 160. 

 Flesh, composition of, 177. 



Effect of salt on, 377. 

 Flour, bran of, 185. 

 Flowers, colors due to ammonia, 96. 

 Fluorine, 157; in ancient bones,, 



158. 

 Foliage, increased, 101. 

 Food, effect on products of plants, 

 139. 



Of young plants, 131. 



Transformation and assimilation 

 of, 72. 

 Formation of wood, 138. 

 Formic acid, 70, 290. 



Theory of its formation, 71 . 



From hydrocyanic acid, 71. 

 Fossil resin, origin of, 363. 

 Franconia, caverns in, 127. 

 Fruit, increased, 132. 



