I. TESTS ON MAN (A. J. C.)

1. Thirty-six hours’ fast followed by a meal of 25 gm. Sanatogen in water.

2. Thirty-six hours’ fast followed by a meal of 25 gm. casein in water.

3. Thirty-six hours’ fast followed by a meal of 200 c.c. of milk.

II. TESTS ON RATS

1. Four animals, seventy-two hours’ fast followed by a meal of Sanatogen in water.

2. Two animals, seventy-two hours’ fast followed by a meal of crackers and milk.

3. Two animals, seventy-two hours’ fast followed by a meal of casein in water.

4. Two animals, seventy-two hours’ fast followed by a meal of casein and sodium glycerophosphate in water.

Blood-films were taken at intervals during the fasting period and for twenty-four hours after feeding was resumed. The technic of fixing and staining given by Drs. Mann and Gage was followed in every detail in order to make my results comparable with their findings.