246 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



The major portion of it was consumed at about the hours at which the alcohol had been taken in 

 the previous experiment. 



The following table summarizes the results of these 3 experiments. Detailed data of experi- 

 ment No. 27 will be found in the Appendix, pages 342 to 353. and those of experiments Nos. 26 

 and 28 in Bulletin 109 of the Office of Experiment Stations. 



Table 4. — Summary of results of metabolism experiments Nos. /'•'. 28, and .'.' 

 [Quantities per day.] 



GROUP D. EXPERIMENTS NOS. 11 AND 12. WORK EXPERIMENTS WITH ORDINARY DIET AND WITH 



ALCOHOL DIET. 



The two experiments in this group were similar to those in Group A, except that those in 

 Group A were rest experiments, while those in Group D were work experiments; that is. they 

 were planned to compare the effects of ordinary diet and of alcohol diet when the subject was 

 engaged in active muscular work. The subject, E. O., was the same in both groups. The work 

 in these experiments was performed on the bicycle ergometer described on page 237. 



The ordinary diet in experiment No. 11 furnished 124 grams of protein and 3,862 calories of 

 energy per day. The amount of protein was nearly the same as in No. 9, but in order to supply 

 energy for muscular work the amount of energy in No. 11 was made to exceed considerably that 

 in No. 9 by an increase in the amount of fats and carbohydrates in the diet. 



The preliminary period of this experiment began with breakfast, March 18, 1898, and 

 continued 1 days. During this time the subject was engaged in his usual occupation, and took a 

 considerable amount of exercise each day walking or riding a bicycle. On the evening of March 

 21 he entered the respiration chamber, and the experiment proper began at 7 a. m. March 22, 

 and continued until 7 a. m. March 26. 



Experiment No. 12 was intended to be as exact a duplicate as possible of experiment No. 11, 

 except that some of the sugar, starch, and fat was taken out of the diet and replaced by an 

 isodynamic amount of alcohol. The alcohol diet of this experiment furnished 121 grams of 

 protein and 3,891 calories of energy per da}-, as compared with 124 grams of protein and 3,862 



