TABLE OF CONTENTS. 



Influence of the elements on Plants, p. 118. Effects in their distribution 

 tolar light general effects. Temperature, p. 121. Particular months im- 

 portance of heat effects illustrated different climates freezing tempera- 

 ture effects on particular plants excitability of plants, etc. 



Heat and moisture, p. 124 Examples degrees explained where plants 

 flourish moisture importance mean temperature illustrated examples 

 cited applications effects on tissues, etc. atmospheric moisture examples 

 in New York and parts of the world effects of wind evaporation amount 

 degrees. Radiant heat, p. 126. illustrations influence of soils general 

 influence of the atmosphere illustrations, etc. 



General Remarks, p. 128. Adaptation of plants indigenous plants culti- 

 vation and productions illustrations effects on the condition of man, etc. 



Vegetable regions of America, p. 131. Illustrated and defined by two Maps 

 remarks, etc. 



CHEMISTRY OF AGRICULTURE, p. 132. Character of plants composition 

 organic and inorganic matter choice of soils table of elements of plants 

 ashes constituents estimated inorganic matter proportions in soils 

 soluble ingredients insoluble earthy parts proportions to be supplied, etc. 



Geological character of soil, p. 136. Subsoil soils explained position of 

 rocks, with a drawing stratified and unstratified valleys and elevations of 

 strata, with drawing nature of soil produced natural order explained divi- 

 sions of strata character and names of soils effects of inundations effects 

 of climate powers of absorption temperature of soils. Chemical constitu- 

 tion of soil, p. 139. choice of location by plants soils sick of certain crops 

 preparations for other crops supplying the soil with food for plants sea 

 weeds charcoal properties, effects and kinds of manures estimated 

 Animal substances, p. 142 for fertilizing soils nature and examples digested 

 substances onimalized charcoal effects nitrogen in substances eaten 

 source amount Mineral waters salt kelp. Lime, p. 145 uses effects 

 sources irrigation of soil draining productive powers of soils chemical 

 constitution Analysis of soils, p. 148. qualities and quantities of grain 

 elements gathering crops food afforded per acre table of estimates ele- 

 ments required in food and animals kinds of plants and proportion of nutri- 

 ment, etc. 



ELEMENTS AND PROPERTIES OF VEGETABLE FOOD, p. 154 Interest of 

 subject divisions of aliments elements of food in plants vegetable diet 

 mixed food necessary man omnivorous carbon combinations production of 

 animal heat carbon consumed climate on consumption of food diseases 

 combustion of fats and oils in the lungs extraordinary consumption of fats, 

 etc. in northern regions organ of alimentiveness examples first and second 

 classes of elements of the body hydrogen nitrogenized food for nutrition 

 identity of vegetable and annual composition analysis of the food of the 

 horse Liebig's views alcohol and its properties non-nitrogenized food 



