59 
he increased his weight during- the experimental period showed that 
at least it agreed with him. In order, however, that the nitrogen 
equilibrium be maintained the proportion of nuts in the diet should 
have been increased. 
DIGESTION EXPERIMENT NO. 413. 
K'md of food. — Dates, olives, and almonds. 
Subject.— C. P. H. 
Weight {with clothes). — At the beginning of the experiment, 64.4 
kilograms (142 pounds), and at the close, 64.0 kilograms (141 pounds). 
Duration. — Four days, with eight meals, beginning with breakfast 
March 18, 1902. 
Table 43. — Results of digestion experiment No 413. 
Sam- 
ple Kind of food. 
No. 
Weight 
of ma- 
terial. 
Total 
organic 
matter. 
Nitro- 
gen. 
Pro- 
tein. 
Carbohydrates. 
Fat. Sugar. 
starch. Fiber, 
etc. 
Ash. 
Heat of 
combus- 
tion. 
37 Dates 
240a Olives 
249 Almonds 
Grams. 
2,494 
1,389 
312 
Grams. 
1, 409. 08 
350. 18 
289. 53 
Grams. 
10.78 
4.53 
8.63 
Grams. 
67. 33 
28.33 
53.92 
Grams. 
7.48 
259. 20 
169. 40 
Grams. 
1,281.90 
28.34 
58.16 
Grams. 
52.37 
34. 31 
8.05 
Grams. 
32.42 
58.75 
8.67 
Calories. 
5,814 
2, 681 
2, 159 
Total 
4,195 2,048.79 
23.94 
149.58 
436. 08 
1,368.40 
94.73 
99.84 
10, 6.54 
116a 
Feces (water-free) 
Amount digested . 
Per cent digested. 
Energy of urine . . 
282.50 
252. 53 
1,796.26 
87.68 
8.18 
15.76 
65. 84 
51. 17 
98.41 
65.80 
73.17 
362. 91 
83.22 
107.66 
1. 260. 74 
92.14 
20.53 
74.20 
78.34 
29. 97 
69.87 
69.98 
1,747 
8,907 
83.60 
123 
Energy of food i 
oxidized in the 
body 
8,784 
Per cent of energy 
utilized 

82. 45 
i 
During this experiment the subject eliminated 4,156 grams urine, 
containing 0.577 per cent or 23.97 grams nitrogen. The average 
nitrogen balance per day was therefore as follows: Income in food 
5.98 grams; outgo in urine 5.99 grams, and in feces 2.05 grams: indi- 
cating a loss of 2.06 grams nitrogen, corresponding to 12.88 grams 
protein. 
The subject seemed to relish the diet. The only criticism made was 
that for a longer period the diet would have been greatly improved 
by the addition of some cereal food. If the kind of food was 
unchanged more nuts would have been required to maintain nitrogen 
equilibrium. 
DIGESTION EXPERIMENT NO. 414. 
Kind of food. — Dates, olives (pickled ripe), almonds, granose. 
Subject.— G. P. H. 
Weight (with clothes). — At the beginning of the experiment, 63.5 
kilograms (140 pounds), and at the close. 64.6 kilograms (142.5 pound-). 
Duration. — Four days, with eight meals, beginning with breakfast 
March 25, 1902. 
