802 



INDEX. 



Nitrogen in hay, what becomes of, . 



" in horse-dung, 



" in night-soil, .... 



" in cow-dung, .... 



" distinguishing feature of organized bodies, 



" measures, value of manure, . 



" how limited in value, 

 Nitrogen effective, as decay is rapid, . 



•' remarks on its effects on vegetation, 

 Norton, Professor J. P., on fertile soils, 



O. 



Oats, limit of, .... . 



" temperature of germination, 

 Oil of vitriol free in superphosphate of lime, 

 " " quantity for raw bones, . 



" " " steamed bones, . 



" '• '' bone ash, . 



" " " sugar house refuse, 



Oils, action of air on, . 

 " action on silicates, .... 



Oleic acid, . . . . . , 



Oleine, ...... 



Organic matter in cow-dung, . 



" " " according to Morin, . 



M. Penot, 

 ♦' " " ultimate analysis of, 



Oxides, metallic, .... 



" of iron, combining weight of, 

 ** of manganese, . 

 Oxygen, .... 



" combining weight of, . 

 " in bases of organic acid salts, 

 '* in sandy soil, . 

 " action of, on geine, 

 " " silicates, . 



" in water, action of, 

 *• group of organic bodies. 

 Ox, quantity of manure from one, . 



