METABOLISM DURING CHEWING. 



133 



74, page 146); for data regarding basal periods, see statistics for that experi- 

 ment. Opened mouth several times during chewing. Nitrogen in urine per 

 hour 7 h 45 m a, m. to 12 h 50 m p. m., 0.32 gram. 



J. J. C., l h OS m p. m. to 2*09 m p. m., February 7, 1911. 63.9 kilograms.- 

 Chewing periods followed water-drinking experiment of same date (see table 



75, page 146) ; for data regarding basal periods, see statistics for that experi- 

 ment. Nitrogen in urine per hour, 7 h 30 m a. m. to 2 h 16 m p. m., 0.41 gram. 



TABLE 60. T. M. C., December 17, 1 91 0. Chewing gum (6 grams). Lying. (Values per 



minute.) 



Basal values (Nov. 14 and 16, 1910): CO 2 , 163 c.c.; O 2 , 187 c.c.; heat (computed), 0.91 cal.; 

 average pulse rate, 72; average respiration rate, 13. 



Subject began chewing at Il h 50 m a. m. 



TABLE 61. J. J. C., January 4, 1911. Chewing gum (9 grams). Lying. (Values per 



minute.) 



Subject began chewing at 12 h 07 m p. m. 



TABLE 62. F. (?., January 5, 1911. Cheioing gum. 1 Lying. (Values per minute.) 



Amount not recorded. 



'Subject began chewing at ll h ll m a. m. 



