INGESTION OF FAT. 



263 



stimulating effect of a fat diet upon the metabolism. In the three 

 experiments with the Boston calorimeter the last one with J. R. is the 

 only one in which there was a noticeable increase in the pulse rate after 

 the taking of food. The change was from 70 in the preliminary period 

 to 73 after food. 



TABLE 196. L. E. E., March 14, 1910. Sitting. (1-hour periods.) 



Butter and potato chips: 



Amounts, 92 grams butter, 114 grams potato chips; nitrogen, 0.69 gram; total energy, 



1,518 cals. 

 Fuel value: Total, 1,512 cals.; from protein, 1 p. ct.; from fat, 86 p. ct.; from carbohydrates, 



13 p. ct, 



Nitrogen in urine, 0.47 gram per hour (in first three periods). 1 



Basal values (March 14, 1910) : CO 2 , 27 grams; Oa, 22 grams; heat, 2 70 cals.; respiratory quotient, 

 0.88. Nitrogen in urine, 0.56 gram per hour. 



'Sample included amount for about 2 hours preceding the eating of food. 

 2 Heat eliminated corrected for change in body-weight, but not for change in body-temperature. 

 'Subject finished eating 20 minutes after beginning of this period. The eating occupied 16 

 minutes. 



TABLE 197. J. R., March 21, 1910. Sitting. (1-hour periods.) 



Butter and potato chips: 



Amounts, 95 grams butter, 92 grams potato chips; nitrogen, 0.85 gram; total energy, 1.273 



cals. 

 Fuel value: Total, 1,266 cals.; from protein, 2 p. ct. ; from fat, 87 p. ct, ; from carbohydrates, 



11 p. ct. 



Nitrogen in urine, 0.36 gram per hour. 1 



Basal values (March 21, 1910) : CCh, 26 grams; O 2 , 21 grams; heat, 80 cals.; respiratory quotient, 

 0.89. Nitrogen in urine, 0.35 gram per hour. 



Sample included amount for about 3f hours without food preceding experiment. 



2 Subject finished eating 17 minutes after beginning of this period. The eating occupied 9 



minute^. 



