THE PRODUCT OF ONE ACRE. 291 



two years, supposing each man, woman, and child to 

 consume two and a half pounds of bread and one 

 pound of milk per day ; or if, instead of the milk, 

 either of the other products were consumed in the 

 proportion of their yield. But this amount of food 

 to each person is larger than experience has found 

 requisite. Taking the average consumption of food 

 in families, the product of the above acre would ex- 

 ceed the result here given. 



