108 
Duration. — -These two experiments, each of which continued 3 days, 
form the first and third of a series of 3. The intermediate experiment, 
also of 3 days* duration, is not reported here. A preliminary period of 
4 days preceded the series, beginning with breakfast April 16, 1900. 
The subject entered the respiration chamber on the evening of April 
19, and experiment No. 32 began at 7 a. m. April 20 and ended at 7 
a. m. April 23. Experiment No. 31 began at 7 a. m. April 26 and 
ended at 7 a. in. April 29. 
Diet. — These experiments were intended to be as nearly as possible 
a repetition of experiments Nos. 29 and 31, with the exception that 
the order in which the supplemental materials were added to the basal 
ration was reversed. The basal ration was practically the same in 
both experiments, differing slightly owing to the difference in the 
composition of the milk. It furnished approximately 100 grams of 
protein and 2,980 calories of energy per day. To this basal ration 63.5 
grams of butter per day. furnishing 1 gram of protein and 509 calories 
of energy, was added in experiment No. 32, and 128 grams of cane 
sugar, furnishing 507 calories of energy, was added daily in experi- 
ment No. 31. The total ration therefore in these experiments furnished 
approximately 100 grams of protein and 3,190 calories of energy per 
day. The kinds and quantities of food served for each meal and the 
quantities of drink at different periods of the day were as follow^: 
Table 127. — Diet in metabolism experiments Nos. SB and $4. 
FOOD-BASAL RATION. 
Food materials. 
Breakfast. 
Dinner. 
Supper. 
Total. 
Beef 
Grants. 
Grams. 
58 
150 
25 
Grains. 
GraiM. 
58 
Butter 
9 
75 
37.5 
17.5 
340 
9 
75 
25 
37.5 
17.5 
340 
35 
Bread 
300 
Ginger snaps 
Sugar 
35 
Milk, whole 
340 
1.020 
FOOD— SUPPLEMENTAL RATION. 
Experiment No. 32. April 20-22.— Sixty-two grams butter added to basal ration. This amount also 
supplemented the ration during the preliminary period. 
Experiment No. 3U. April 26-2S — -The basal ration during this experiment was increased by the ftddi" 
tion of 128 gram- of cane sugar. 
DRINK. 
Time. 
Water. 
Time. 
Water. 
Breakfast 
Grams. 
150 
200 
200 
200 
Grams. 
150 
10.15 a. m 
9.00 p. m 
200 
Dinner 
10. 20 p. m 
150 
Total for day 
4.00 p. m 
1.250 
