INDEX. 



145 



Humus, 17 et scq. ; produced by 



certain manures, 36, 41, 63 ; value 



of Leguminosse in formation of, 



30 



Hydraulic attachment to qane-mill, 



78-80 

 Hydraulics, principles of, 78-80 

 Hydrochloric acid, use of, in anal- 

 ysis of soil, 33, 24 

 Hydrogen, 3, 3, 5, 6, 13, 36 

 Hydrometer, its construction, prin- 

 ciples, and use, 117-131 



Inversion, a result of under-tem- 

 pering, 89 ; cause of production 

 of molasses, 99, 1 01 ; rapidity of, 

 100 ; rate of, in making musco- 

 vado sugar, 103 ; amount in 

 vacuum-pan process, 103 ; cause 

 of rapid, 104 ; danger of, in 

 bleaching, 114 ; formation of glu- 

 cose by, 133 ; how prevented, 130 



Invertase, 130 



Invert sugar, formation of, 98 



Iron, 3, 17, 31, 33, 35; deficiency 

 of, 33 ; removal of phosphorus 

 from, 70 



Kainit, its source and value, 67 

 Keeping cattle to make manure, 60 



Lactic acid, formation of, 139 



Lawes, Sir J. B., table of value of 

 manure, 63, 64 



Leaf of sugar-cane, 10-14 



Leaves, value as manure, 68 



Lees pond, the, 95 



Leeward Islands, average expres- 

 sion of cane-mills in, 81 



Leguminosae, peculiarities of for- 

 mation, 28 ; value for green 

 dressings, 39, 65 ; consumption 

 of nitrogen by, 35, 38, 39 

 10 



Liebig, Baron von, treatment of 

 bones, 68, 69 



Light, influence on plants, 13 ; in- 

 fluence on soil, 18 



Light-colored sugar, manufacture 

 of, 89, 90 



Lime, essential to fertility of soil, 

 17, 31, 35 ; quantity removed from 

 soil by a crop, 33 ; amount in 

 soil, 33, 34 ; retainer of phos- 

 phoric acid, 30 ; deficiency of, 33 ; 

 as manure, 47 ; amount in mould 

 from watercourse, 54 ; amount 

 in pen manure, 64 ; employed to 

 remove phosphorus from iron, 

 70 ; use in clarifying cane-juice, 

 86 ; use in decolorisation, 114, 

 115 ; combination of cane sugar 

 with, 125 



Lime-water, use of, 43 



Line and marks, use of, 45 



Linseed cake, value of manure pro- 

 duced from its consumption by 

 cattle, 63 



Litmus-paper, testing with, 87 



" Louisiana Planter, The," quoted, 

 82 



Low wines, 134 



Machine weeding, beneficial ef- 

 fects of, 42 



Magnesia, essential to fertility of 

 soil, 17, 21 ; quantity removed 

 from soil by a crop, 33 ; amount 

 in soil, 33, 34 ; deficiency of, 33 ; 

 amount of, in mould from water- 

 course, 54 ; amount in pen man- 

 ure, 64 ; presence in kainit, 67 ; 

 amount in filter-press cake, 93 



Magnesium, 3 



Manganese, 2, 21 



Mangel wurzel, value of manure 

 produced from its consumption 

 by cattle, 64 



