TABLE OF CONTENTS. 



CHAPTER I. 



INTRODUCTION. 



Preliminary observations, page 1-4. General properties of silex, 4; of alumina, 6; of lime, 7; of magnesia, 9; 

 of phosphorus and the phosphates, 10; of sulphur and sulphuric acid, 12; of iron and its oxides, 13; of manganese, 

 14; of potash, 14; of soda, 15; of ttmmonia, 15; of chlorine and the chlorides, 16; of carbon, oxygen, hydrogen 

 and nitrogen, 17. Substances peculiar to vegetables, 18. Albumen, fibr&i and casein, 20. Blood, 24. Milk, 27. 

 Recapitulation, 28. 



CHAPTER II. 



ANALYSIS OF PLANTS. 



General remarks, 32. Preparation of ash, 34. Analyses of the Mercer potato, 37; of the Early Jane potato, 39 ; 

 of the Flesh-colored potato, 41; of the Merino potato, 42; of the Carter and the Peach-blow potatoes, 45; of the 

 Havana potato, 46; of the Lady-finger and the Early Kidney potatoes, 47; of the Orange and the Scotch Grays 

 potatoes, 48 ; of the Pinkeye potato, 49 & 50 ; of the Gilkey potato, 52 ; of the Harper potato, 53 ; of the Tomato, 

 55; of the Carrot, 57; of the Beet, 60; of the Parsnip, 62. Recapitulation, 63. 



CHAPTER III. 



OF THE FOOD OF CATTLE. 



General remarks, 66. Analysisof Timothy grass, 70; of mixed hay, 72; ofRedtop grass, 73; of Quack grass, 74; 

 of Spear grass, 76; of Rough Meadow grass, 78; of Sweet Fescue grass, 78; of Bulrush, 79; of Clubrush, 79 

 & 80; of Cocksfoot grass, 81; of Red clover, 82; of White clover, 84; of Clover hay, 86; of Sweet-soented 

 clover, 87. Recapitulation, 87. 



CHAPTER IV. 



THE CEREALS. 



General remarks, 90. Analyses of Oats, 91 - 1 14. Account of three experimental crops of oats, 97. Remarks on 

 the oat crop, 115. Diseases of the oat, 117. Analyses of Rye, 118. Diseasesof rye, 124. Analyses of Barley, 

 125. Diseases of barley, 131. Brewers' draff, 131. Analyses of Millet, 134. Diseasesof millet, 137. Wheat, 

 137. Varieties of Winter wheat, 138; of Spring wheat, 141. Analyses of Wheat, 143; of Black-sea wheat, 

 145; of White-flint wheat, 149 ; of Soule's wheat, 151; of Provence wheat, 151 ; of Hopeton wheat, 152. Diseases 

 of wheat, 154. Maize, 159. Proportions of ash, etc. in the different parts of Maize at different stages of growth, 

 160. Observations on the growth of Maize, with the proportions of ash, etc. in the different parts of the plant at 

 different periods, 170. Analyses of several varieties of Maize, 192. Analyses of Rocky Mountain corn, 200: of 

 the Pennsylvania Dent corn, 202; of the Sweet corn, 205; of the 8-rowed yellow corn, 208. Inorganic analysis 

 of the several parts of the plants of White-flint c6rn at different stages of growth, 21 1 . Proximate organic analysis 

 of the same, 224. Further analyses of Maize, 234. Intermixture of varieties of maize, 244. Use of maize as 

 fodder, 254. Varieties of maize, 263. Diseases of maize, 265. Analyses of Broom corn, 268. Analyses of 

 Buckwheat, 273. 



