In a previous article of a series of studies on the fat metabolism of infants and young children we have reported the results of the examination of stools of breast fed infants. In the present paper are presented the results of the study of a large number of stools of infants fed on cow's milk or various modifications of the same, with or without carbohydrate additions. The digestion of the larger number of the infants was quite normal; some were suffering from disturbances of digestion of varying degrees of severity.
The questions here considered are practically the same as those discussed in the study of the stools of breast fed infants, namely:
1. What is the variation in the per cent. of total fat and the distribution of fat in the stools of infants fed on cow's milk, under different conditions of digestion?
2. How is the fat per cent.