Fried Indian-meal 150 × 0.38 = 0.570 gram. Syrup 50 × 0.00 = 0.000 Banana 100 × 0.19 = 0.190 Baked potato 150 × 0.37 = 0.555 Coffee (breakfast) 350 × 0.072 = 0.252 Butter 10 + 10 = 20 × 0.16 = 0.032 Corned beef 50 × 5.24 = 2.620 Cabbage 200 × 0.34 = 0.680 Mashed potato 250 × 0.32 = 0.800 Bread 75 × 1.67 = 1.252 Coffee (dinner) 350 × 0.093 = 0.325 Fried rice 100 × 0.23 = 0.230 Jam 75 × 0.034 = 0.025 Sponge cake 150 × 1.02 = 1.530 Apple sauce 150 × 0.044 = 0.066 Crackers 32 × 1.50 = 0.480 Tea 350 × 0.054 = 0.189 Sardine 14 × 3.35 = 0.469 ------ Total nitrogen in food 10.265 grams. Total nitrogen in urine 7.960 Fuel value of the food 3173 calories. NITROGEN BALANCE.—_Oakman._ Nitrogen Output. Taken in. Nitrogen in Urine. Weight of Fæces[34] (dry). Feb. 29 10.466 grams. 6.88 grams. Mar. 1 7.825 7.42 2 8.487 7.58 17 grams. 3 8.750 6.85 72 4 10.427 7.95 39 5 10.483 6.10 19 6 10.265 7.96 35 ------ ------ ------ 182 grams contain 6.81% N. 66.703 50.74 + 12.394 grams nitrogen. ------ ---------------------- 66.703 grams nitrogen. 63.134 grams nitrogen. Nitrogen balance for seven days = +3.569 grams. Nitrogen balance per day = +0.509 gram. Average Intake. Calories per day 2509. Nitrogen per day 9.50 grams. NITROGEN BALANCE.—_Henderson._ Nitrogen Output. Taken in. Nitrogen in Urine. Weight of Fæces (dry).