INDEX. 



297 



Iron, Bulphuret of, .... 



" " decomposition of, 



" combining weight of, . 



Isinglass, physical properties of, . 

 Isotheral line, ..... 

 Isochimenal line, . . . . . 



Isomorphism, law of, . 



J. 



Jackson, C. T., Dr., on peat, 



Jacquemart, on peat and ammonia, 

 " ^' various manures, 



JaufTret's manure, principles of, 



Johnston, Professor, analysis of .yard-dung, 



" " " of night-soil, table of, 



" " soil not dependent on rocks, 



SKCnON. 



66 

 79 

 . 66 

 37 

 26 

 26 

 94 



258 

 . 278 



(p. 160) 



. 278 



(p. 149) .,^- 



208 

 21 



K. 



Krocker, on amount ammonia in soil, 

 Kuhlmann, on nitrogenous manures. 



. (p. 156) 

 (p. 167, 159, 160) 



Lawes, on the value of manure ashes, 

 Law of substitution. 

 Life, a catalytic power, . 

 Life, first action of, . 

 Lime, action of, . 



" on vegetable fibre, . 

 '' on free acids in soil, 



properties of, . 



secretion of, 



in soil, 



sufficiency of, in soil, 



not free ** . 



combining weight of, 



in dung, 



in eggshells, . • 



in granite, . , • 



13* 



. (p. 164) 



95 



. 139 



171 



159, 161, 1G2 



. 160, 162 



162, 163 



160 



18 



30 



76 



76 



66 



192 



. 215 



72 



