All foods or fluids not taken must be weighed or measured after each meal and charted in spaces below. Allow no food or fluid at any time except at meal times. Note any mishaps or irregularities that occur in giving the diet or collecting the specimens. Breakfast 8 A.M. Boiled oatmeal 100 grams Sugar 1 to 2 teaspoonfuls Milk 30 c.c. 2 slices of bread 30 grams each Butter 20 grams Coffee 160 c.c. } Sugar 1 teaspoonful } 200 c.c. Milk 40 c.c. } Dinner--Noon Meat soup 180 c.c. Beefsteak 100 grams Potatoes, boiled, mashed or baked 130 grams Green vegetables as desired 2 slices bread--each 30 grams Butter 20 grams Tea, 180 c.c. } Sugar, 1 tsp. } 200 c.c. Milk, 20 c.c. } Water 250 c.c. Pudding, tapioca or rice 110 grams Supper 5 P.M. 2 eggs cooked any style 2 slices of toast 30 grams each Butter 20 grams Tea, 180 c.c. } Sugar, 1 tsp. } 200 c.c. Milk, 20 c.c. } Fruit, stewed or fresh 1 portion Water 300 c.c. 8 A.M. No food or fluid is to be given during the night or until 8 o'clock next morning (after voiding) when the regular diet is resumed. Patient is to empty bladder at 8 A.M. and at the end of each period as indicated below. The specimens are to be collected for the following periods in properly labeled bottles: 8 A.M. to 10 A.M.; 10 A.M. to 12 Noon; 12 Noon to 2 P.M.; 2 P.M. to 4 P.M.; 4 P.M. to 6 P.M.; 6 P.M. to 8 P.M.; 8 P.M. to 8 A.M. ~Chart Used in Johns Hopkins Hospital.~--The following chart is inserted here to show the method used in the Johns Hopkins Hospital for carrying out the Two-hour Renal Test: