this substance.

In the following table the value of ten pounds of several food
substances of the three classes has been worked out. Especial attention
is called to the column headed "proteids" and to the last column where
the number of heat-units which may be purchased for one cent at current
market rates has been worked out.

TABLE II.

NUTRITIVE VALUE OF TEN POUNDS OF SEVERAL FOODS.

========================================================================+
|PROTEIDS.|FATS.| CARBO- |CALORIES.|COST.|CALORIES|
| | |HYDRATES.| | | FOR ONE|
| | | | | | CENT. |
------------------------------------------------------------------------|
a. {Beef (round) | 1.87| .88| ----| 7200|$1.50| 48.|
| | | | | | |
{Beans (dried) | 2.23| .18| 5.91| 15900| .30| 530.|
| | | | | | |
| | | | | | |
b. {Cabbage | .18| .03| .49| 1400| .15| 93.|
| | | | | | |
{Potatoes | .18| .01| 1.53| 3250| .10| 325.|
| | | | | | |
{Flour (roller | 1.13| .11| 7.46| 16450| .25| 658.|
process) | | | | | | |
| | | | | | |
| | | | | | |
c. {Coprinus comatus | .04| .025| .434| 987| 2.50| 3.9|
| | | | | | |
{Pleurotus | .051| .042| .828| 1811| 2.50| 7.2|
ostreatus | | | | | | |
| | | | | | |
{Morchella | .094| .05| .306| 955| 2.50| 3.8|
esculenta | | | | | | |
| | | | | | |
{Agaricus | .18| .03| .46|