INDEX. 



PAGE I 



A C ID, Acetic — Citric — Malic . . 60 



Tartaric 60 



r Carbonic— Muriatic 29 



Fluoric 46 



Phosphoric— Sulphuric .. 47 



Nitric 1 54 



meaning of the term 26 



Alkalies, properties of 26 



Apparatus necessary for teachers xviii 

 Atmosphere, the composition of . . 25 



properties of 20 



materials which 



plants derive from 33 



— - discovery of Am- 

 monia in 28 



Ammonia, preparation of 28 



properties of 27 



Ammoniacal liquor 166 



Alumina, properties of 80 



Ashes, turf— composition of 150 



of Sea- Weeds 146 



Alternation of crops 1 00 



Agriculture, origin of 95 



Agricultural education, value of . . xv 



Animal manures 1 05 



heat, how maintained .... 119 



young, dung of 120 



Albumen 56 



13 ONE S, composition of 1 33 



use of, as manure 135 



effects of, on the soil 132 



organic matter of 132 



Nitrogen in — crushed .. 132 



Vitriolized preparation of 138 



how to be applied 137 



Blood, composition of 140 



• saline matters in 140 



IWGE 



CHEMISTRY, agricultural, value 



of X 



— progress of ix 



Chemical combination defined .... 21 



Carbonic acid gas, properties of . . 31 



Carbon, in plants 32 



consumed in respiration . . 11!) 



Carbonate of Lime 44 



Potash 4;{ 



Magnesia 45 



Ammonia lOii 



Coal-gas, composition of 165 



Calcium '. 44 



Chloride of 167 



Chlorine, properties of 47 



Chloride of Sodium 47 



Crops, composition of the ash of. . 99 

 influence of soils on their 



quality 104 



Clay-slate formation 85 



analysis of 87 



soils 86 



Caustic Potash 43 



Soda 43 



Lime 155 



DEXTRIN, properties of 55 



Diastase in malt 58 



Distribution of rocks in Ireland . . 83 



Development of plants 67 



Dublin limestone, analysis of 156 



ELEMENTS, number of xvi 



defined xvi 



Excrements, animal, as manures . . 1 09 

 Evaporation renders soils cold .... 39 

 Effects which plants produce on 

 the soil 95 



