307 



INDEX. 



Salts, first class, three divisions, 



" constant in plants, 



" second class of, 



" quantity of, which may be used, , 



" two classes of, poisonous, 



*' in cow-dung, 



" " " byMorin, 



" " " byM. Penot, 



" in bushel of dung, 



" formed daily by one cow, . 



" formed yearly by one cow, 



" in horse-dung, 



" in night-soil, 



'* in excrements of a hen, 



" in animal matter, 



" annually ev-acuated by one person, 



" in urine, 



'* in mud and peat, 



*• in rivers, at freshets, . 



" in rain and snow, 



" intention of application of, . 



" of ammonia, value of, 



** of crenic and apocrenic acids, sources 

 Sand, improved by liming, 



" composition of, 



" action of muck on, 



" best to restore, 



" heaviest part of soil, . . 

 Sandstone, formation of, 

 Science, definition of, . 



" application to agriculture. 

 Sea eagle, excrement of, 

 " water, for slacking lime, 

 Serpentine, ingredients of. 

 Seeds, heat and cold borne by, 

 Sheep, urine of, . . . , 



Silex, .... 



" formation of, . , ; 



" quantity of, in rock, . 



(P- 



of. 



42,48 



BKCnON. 



159 

 91 

 166 

 169 

 170 

 180 

 181 

 182 

 188 

 189 

 191 

 204 

 205 

 214 

 216 

 251 

 243, 249 

 256 

 283 

 280 

 291 

 158) 



126 



133 



13 



289 



290 



292 



5 



128 



128, 129 



212 



276 



60 



26 



247 



62, 69 



48 



69 



