146 



INDEX. 



Manure, experiments on nitrogen 

 in, 28, 59 ; rotting, 60 ; influence 

 of food of animals on, 63 ; use of 

 concentrated chemical, 63 ; table 

 of values, 63, 64 ; filter-press cake 

 as, 96, 97 



Manures, summary of those used 

 in West Indies by sugar- growers, 

 56-74 ; chemical, 66-74 



Manuring, 21, 24, 25, 41, 47, 50 



Marble, power of plant roots over, 

 22 ; origin, composition, and prop- 

 erties, 16, 17 ; as manure, 47 



Marling, an improvement to some 

 soils, 31 



JIasse cuite, 105, 107, 108, 113 



Matter, indestructibility of, 1 et 

 seq. 



Meadow hay, consumption of 

 plant-food by, 22 ; value of ma- 

 nure produced from its con- 

 sumption by cattle, 64 



Meat, how preserved, 127, 128 



Megass, 75, 77, 80, 81 



Microbes, action of, 26, 29 



Microscope, use of the, 4 



Milk, nitrogen consumed in form- 

 ing, 57-59 ; how preserved, 127, 

 128 



Mineral acids, use in tempering, 99 



Mineral matter, amount in cane- 

 juice, 85 ; amount in molasses, 

 122 



Mineral phosphates, 69 



Mirlees' four-roller mill, 77 



Moisture, necessary to fertility of 

 soil, 27, 33, 35, 36 ; necessary in 

 soil for sugar-cane, 33 ; amount 

 in pen manure, 64 ; amount in 

 filter-press cake, 93 



Molasses, reduced production of, 

 under phenol-phthalein process, 

 89 ; production due to inversion, 

 99 ; drainage of, 101, 102 ; centri- 



fugal process for removing, 111, 

 112; reboiling, 112, 113 ; its pro- 

 duction, proportions, and use, 

 122, 126 ; production of rum 

 from, 131 



Mole-crickets, destruction of, by 

 burning trash, 53 



Mono-phosphate of lime, 69 



Mono-saccharate of lime, 114 



Monte-jus, its use, 92 



Montserrat, analysis of volcanic 

 son at, 23 



Mould from watercourses, 54, 55 



Multiple-effect evaporation, 108, 

 111 



Muntz's chemical researches, 26 



Muntz-Girard experiments on ni- 

 trogen, 58, 59 



Muriate of potash, presence in 

 carnallite, 68 



^Muscle, constituents of, 57 



Muscovado process, 86, 90, 99, 102 ; 

 method of estimating amount of 

 sugar from cane-juice, 120, 121 ; 

 influence of glucose in, 123 



Muscovado sugar, character of mo- 

 lasses from, 122 



Naturax drainage, S3, 35 



Nitrate, conversion of nitrogen 

 into, 26 ; amount in soil, 27, 28, 

 48 



Nitrate of soda, 28 ; its composi- 

 tion, origin, and use as manure, 

 31, 71, 72 



Nitrates, soluble in water, 30 ; 

 found in drainage-waters, 31 ; 

 formation of, from nitrogenous 

 matter, 62 



Nitric acid, 26 



Nitrogen, 2, 3, 5, 27, 31, 48; con- 

 stituent of the atmosphere, 11, 

 25, 29 ; essential to fertility of 

 soil, 17 ; amount removed from 



