136 



FOOD INGESTION AND ENERGY TRANSFORMATIONS. 



TABLE 68. Increase in metabolism of subjects drinking water, coffee, and beef tea, and chewing 



gum. (Respiration experiments; subject lying.) 



'Period here given is the time between drinking of material or beginning of chewing to the end of the 



last period on the respiration apparatus. 



*One piece of chewing gum has been found to weigh 3 grams. 

 'Amount of gum not recorded. 

 ^Temperature not recorded. 



