MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



317 



Table XXXI I. — Inconu and outgo of t m rgy — Metabolism experimt nts Nos. 15-17. 



EXPERIMENTS NOS. 18-21. — REST. NOS. 18-20 WITH ALCOHOL DIET. 



Subject. — A. W. S.. a physicist, who was associated with these investigations. He was 25 

 years of age and averaged about 70 kilograms (154 pounds) in weight. 



Occupation during experiment. — Reading, writing, etc., with as little mental and muscular 

 activity as practicable. 



Duration. — The preliminary periwd began with breakfast, February 2, 1S99, and continued 

 1 days. On the evening of the fourth dav the subject entered the calorimeter, and experiment 

 No. 18, the first of the series, commenced at 7 o'clock the following morning, February ti, and 

 continued 2 days. It was followed b} T Nos. 19 and 20 of 2 days each. A fourth experiment, 

 elsewhere described, 11 No. 21, in which the alcohol was omitted from the diet, followed No. 20 

 immediately and continued 3 days. The subject thus spent 10 nights and 9 days in the chamber. 



Diet. — Ordinary food furnishing 97 grams of protein and 2.261 calories of energy per day, 

 in addition to 72.5 grams of absolute alcohol furnishing 512 calories of energy; making the total 

 energy of the diet 2,776 calories per daj\ In experiment No. 18 the alcohol was furnished in 

 ordinary commercial alcohol, in experiment No. 19 in whisky, and in experiment No. 20 in brand}'. 

 The plan of the experiment was thus practically the same as that of the previous series of experi- 

 ments. Nos. 15-17. The alcohol was taken as usual in doses, 3 with the meals and the other 3 

 between meals and upon retiring. 



In experiment No. 18. 775.2 grams of coffee infusion were sweetened with 15 grams of 

 sugar, and 79.8 grams of 90.9 per cent commercial alcohol were then added. In experiment 

 No. 19. 158.3 grams of whisky containing 45.8 per cent alcohol by weight was added to t;;tt;.7 



»U. S. Dept. Agr., Office of Experiment Stations. Bui. 109. 



