Dinner.—Codfish-balls (1 part fish, 4 parts potatoes, fried in pork fat) 150 grams, stewed tomato 200 grams, stewed potato 150 grams, bread 75 grams, one cup coffee 350 grams, apple pie 130 grams. Supper.—French fried potato 200 grams, fried sausage 50 grams, butter 10 grams, bread 50 grams, stewed prunes 125 grams, sponge cake 35 grams, one cup tea 350 grams. Food. Grams. Per cent Nitrogen. Total Nitrogen. Fried hominy 150 × 0.32 = 0.480 grams. Syrup 50 × 0.00 = 0.000 Baked potato 150 × 0.37 = 0.555 Coffee (breakfast) 350 × 0.099 = 0.346 Butter 10 + 10 = 20 × 0.16 = 0.032 Fish-balls 150 × 1.73 = 2.595 Stewed tomato 200 × 0.19 = 0.380 Bread 75 + 50 = 125 × 1.54 = 1.925 Coffee (dinner) 350 × 0.069 = 0.241 Apple pie 130 × 0.38 = 0.494 French fried potato 200 × 0.49 = 0.980 Sausage 50 × 2.75 = 1.375 Prunes 125 × 0.17 = 0.212 Sponge cake 35 × 0.83 = 0.290 Tea 350 × 0.072 = 0.252 Stewed potato 150 × 0.18 = 0.270 ------ Total nitrogen in food 10.427 grams. Total nitrogen in urine 7.950 Fuel value of the food 2374 calories. _Saturday, March 5, 1904._ Breakfast.—Boiled Indian-meal 200 grams, milk 125 grams, sugar 25 grams, one cup coffee 350 grams, fried sweet potato 150 grams, butter 10 grams. Dinner.—Tomato soup, thick with potatoes and onions boiled together 325 grams, bread 100 grams, scrambled eggs 50 grams, mashed potato 150 grams, one cup coffee 350. Supper.—Bread pudding with raisins 250 grams, stewed peaches 150 grams, bacon 20 grams, French fried potato 150 grams, bread 50 grams, butter 10 grams, one cup tea 350 grams. Food. Grams. Per cent Nitrogen. Total Nitrogen.