118 



FOOD INGESTION AND ENERGY TRANSFORMATIONS. 



TABLE 47 (continued). Carbon dioxide produced at different times of day in respiration experi- 

 ments; subject M. A. M., in post-absorptive condition and lying on couch. (Values per 

 minute.) 



The experimental periods were usually 15 minutes in length and there was but one period in 

 each half hour. 



2 Two other results (seventh period, 207 c.c., and eighth period, 202 c.c.) were obtained and 

 included in the average for the day. 



'Average of results obtained in ninth to twelfth periods, 208, 190, 201, and 202 c.c., respectively. 



'The total number of periods in which the carbon dioxide was determined in the 54 experi- 

 ments was 154. 



