Dinner, 6.30 P. M.—Milk-celery soup 121 grams, lettuce sandwiches 61 grams, creamed potato 65 grams, lettuce-apple-celery salad 74 grams, coffee 70 grams, sugar 10 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Coffee100 + 70 =170×0.042=0.071gram.
Cream25×0.40=0.100
Sugar9 + 9 + 10 =28×0.00=0.000
Halibut, etc.108×3.02=3.262
Mashed potato89×0.26=0.231
Biscuit48×1.52=0.730
Butter10×0.10=0.010
Tea100×0.048=0.048
Chocolate-cream cake90×0.99=0.891
Celery-milk soup121×0.52=0.629
Lettuce sandwich61×0.98=0.598
Lettuce-apple salad74×0.21=0.155
Creamed potato65×0.37=0.241
Total nitrogen in food6.966grams.
Total nitrogen in urine5.390
Fuel value of the food1285 calories.

NITROGEN BALANCE.—Chittenden.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces[33] (dry).
March206.989grams.5.91grams.3.6grams.
216.6215.520.0
226.0825.9412.0
236.7935.6118.5
245.0574.3123.0
256.9665.3916.9
74.0grams contain
6.42% N.
38.50832.68+4.75grams nitrogen.
38.508grams nitrogen.37.43grams nitrogen.
Nitrogen balance for six days=+1.078grams.
Nitrogen balance per day=+0.179gram.

Average Intake.

Calories per day1613.
Nitrogen per day6.40 grams.