These data show that there is very little difference between the quantity of dry matter in the food during the three periods. Total quantity of dry matter in the food consumed daily is in ro numbers 1 per cent of the weight of the body. For a man weighing pounds, therefore, the quantity of dry matter daily consumed in food is about pounds. It is also interesting to n ratio of the moist food, including the water drunk, is a little more t four times as great as that of the dry food. Similar data for the other series of observations are recorded, but further discussion of the problem is not deemed necessary.