66 
apples, bananas, pecans, and grano.se furnished 7. 42 grams of nitro- 
gen, which evidently was insufficient, as there was recorded an average 
daily loss of 3.1 grams nitrogen. Again, in experiment No. -1<>7, with 
a diet of the same fruit and nuts but no granose, the daily income of 
nitrogen was 5.68 grams and the loss 3.3 grams. 
EXPERIMENTS WITH A. V. AND J. E. R. 
The digestion experiments made with the subjects A. V. and J. E. 
R. follow. Both were young men, university students, and in good 
health. Neither subject was used to a vegetarian or fruitarian diet, 
though A. V. had been experimenting with such diets for a number 
of years. 
DIGESTION EXPERIMENT NO. 416. 
Kind of food. — Bananas, oranges, almonds. 
Subject. — A. V. 
Weight {without clothes). — At the beginning of the experiment 68.9 
kilograms (152 pounds), and at the close 69.4 kilograms (153 pounds). 
Duration. — Four days, with twelve meals, beginning with breakfast. 
May 5, 1902. 
Table 49. — Results of digestion experiment No. 416. 
Sam- 
ple Kind of food. 
Weight 
of ma- 
terial. 
Fat. 
Carbohydrates. 
oEanic * 
organic t - 
matter. &en - ieiIK 
Sugar. 
starch, Fiber, 
etc. 
A sli. combus- 
' tion. 
21"a Bananas 
Gram*. Grams. Grams. 
7,081 j 984.31 11.44 
Grams. 
71. 52 
Grams. 
10.62 
Gram*. Gram*. 
878. 80 23. 37 
Grams. 
36.11 
Calories. 
4.16* 
236a ' )rangt-s 
10.474 , 976.30 17.43 
990 | 918.73 1 27.37 
108. 94 
171.07 
11.52 
537. 60 
810.80 45.04 
184. 52 25. .54 
49. 23 
27. 52 
4.1*1 
249 Almonds 
6, 821 
Total 
18.545 2.879.84 | 56.24 351.53 
559.74 1.874.12 93.95 112.86 
15, 170 
126a Feces t water-free) 
Amount digested. 
386. 50 
333. 99 
2,539.35. 
88.20 
14.91 
41.33 
73. 51 
93. 16 
258. 37 
73.51 
91.45 127.78 . 21.60 
468.29 1.746.34 72.35 
83.64 | 93.18 77.02 
52. 51 
(iO. 35 
53. 47 
2. 227 
12. 943 
Percent digested. 
85. 26 
323 
Energy of food 
oxidized in the 
12,620 
Per cent of energy 
utilized 
83. 19 
; I ! ! 
During this experiment the subject eliminated 6.191 grams urine, 
containing ".69 per cent or -12.71 grams nitrogen. The average nitro- 
gen balance per day was therefore as follows: Income in food 14.06 
grams; outgo in urine 10.68 grams, and in feces 3.73 grams; indicat- 
ing a loss of 0.35 gram nitrogen, corresponding to 2.19 grams protein. 
Owing to the larger consumption of nuts the protein supplied per 
day during this test was 30 per cent more than the daily protein aver- 
age for the same subject in dietary No. 363 (p. 29). The fuel values 
for the two studies (3,305 and 3,155 calories, respectively) show 
