THE COMPARATIVE COST OF VARIOUS FOODS 73 



TABLE IV. 



The Comparative Cost of the Heat Units of Various 

 Foods at Average Prices. 



* The heat unit used throughout is the heat value of 1 lb. of 

 digestible starch when oxidised in the animal body. The number 



of heat units in 100 lbs. of a food is therefore called the 

 equivalent " of that food. 



starch 



