35 



Table 13. — TJie comparative cost of foods per man per day in dietary studies in 



Maine lumber camps. 



AMOUNT OF FOOD WASTED. 



The food wasted iii these dietary studies was very small in amount, 

 beiug limited to the portions left uneaten on the plates. The total 

 waste equaled only about 3 per cent of the protein and 2 per cent of 

 the energy of the total food supplied. 



SOURCES OF PROTEIN AND ENERGY. 



Tlie tables which follow show the percentages of the total protein 

 and energy supplied by the more important foods and by the total 

 animal and total vegetable foods : 



Table 14. — Sources of protein in dietary studies in Maine lumber camps. 



a From eggs. 



