INDEX. 



1 On Anthracite of the Calton Hill, Edinburgh. 



2 On the Watery Secretion of the leaves and stems of the Ice Plant. 



(Mesembryanthemum crystallinum.) 



3 On the Secretion of Nepenthes Destillatoria. 



4 On the Composition of the Ash of Ameria Maritiraa, grown in 



different Localities ; with Remarks on the Geographical Distri- 

 bution of that Plant, and on the presence of Fluorine in Plants. 

 > 



5 On the Relative and Fattening Value of Linseed and Rape-Cake. 



6 On the Effects of Burnt Clay as a Manure. 



7 On the Comparative Value of White Scottish and Black English 



Oats, and on the Composition of Rice-Meal. 



8 On the Composition of Green Rye and Rape. 



9 On the Composition of the Parsnip, and White Belgian Carrot. 



10 On the Comparative Value of different Artificial Manures for raising 



a crop of Swedes. 



11 On the Agricultural and Commercial Value of some Artificial 



Manures, and on their Adulteration. 



12 On the Chemistry of Food. 



13 Four Lectures on Farm-yard Manure, Artificial Manures, Barren and 



Fertile Soils, Oil-Cakes, &c. 



14 On the Composition of Farm-yard Manure, and the Changes which 



it undergoes on Keeping, under different circumstances. 



15 On Farm-yard Manure, the drainings of Dung Heaps, and the absorb- 



ing Properties of Soils. 



