TABLE OF CONTENTS. 



CHAPTER I. 



PAGB 



Soils considered with reference to Horticulture 1 



Origin and kind* of soils 1 



The improvement of soils 7 



CHAPTER II. 



Manures considered with reference to Horticulture 13 



Organic manures 13 



Inorganic manures 18 



Mixed manures 22 



CHAPTER III. 



The Atmosphere considered with reference to Horticulture .... 25 



Heat 26 



Atmospheric moisture 33 



Circulation of the atmosphere 38 



Light 42 



CHAPTER IV. 



Worms, Snails, Slugs, Insects, Reptiles, Birds, &c., considered with 



reference to Horticulture 46 



The Earthworm . ' 46 



Snails and Slugs 50 



Insects A .... 52 



Birds 68 



Animals injurious to gardens 70 



CHAPTER V. 



The Diseases and Accidents of Plants 74 



