INGESTION OF WATER. 



145 



TABLE 73. J. J. C., January IS, 1911. Sitting. (45-minute periods.) 



Water (21C.), 1,800 grams. 



Basal values: COz, 20 grams (January 13, 1911); O->, 17.5 grams (January 10-17, 1911); heat. 



66 cals. (January 13, 1911); respiratory quotient, 0.85 (January 13, 1911). Nitrogen in 



urine, 0.38 gram per 45 minutes (January 13, 1911). 



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

 'Subject drank 200 grams of water at each interval of about 10 to 20 minutes. 



RESPIRATION EXPERIMENTS. 



V. G., 8 h 41 m a. m. to 11^02 m a. m., January 31, 1911. 54.9 kilograms. 

 Previous day, low carbohydrate diet. Between supper on preceding day and 

 8 a. m. of experimental day, walked 1.6 miles according to pedometer. 

 Urinated 7 h 45 m a. m. Slept a little in first basal period, still longer in second 

 period, very sleepy in first part of third period, but wideawake in latter part, as 

 special efforts were made to keep him awake. Very quiet in last water-drink- 

 ing period; asleep part of the time. Blood pressure: basal periods, 102, 107, 

 105 mm.; after water, 103, 100 mm. Nitrogen in urine per hour 7 h 45 m a. m. 

 to 12 h 50 m p. m., 0.32 gram. 



J. J. C., 9 h 10 m a. m. to 12 h 31 m p. m., February 7, 1911. 63.9 kilograms. 

 Between 5 p. m., February 6, and 8 a. m., February 7, walked 1.5 miles accord- 

 ing to pedometer. Very quiet throughout experiment; slept part of second 

 basal period, and a little in first two periods after water. Urinated 7 h 30 m 

 a. m. and 2 h 16 m p. m. Blood pressure: basal periods, 108, 111, 120 mm.; 

 after water, 102, 105, 102 mm. Nitrogen in urine per hour 7 h 30 m a. m. to 

 2 h 16 m p. m., 0.41 gram. 



C. H. H., 9 h 16 m a. m. to I h 39 m p. m., March 24, 1911. 54.9 kilograms. 

 Urinated at 8 h lo m a. m. ; quiet throughout experiment. Pulse rate increased 

 immediately after taking hot water, range between Il h 45 m a. m. and 12 h 15 m 

 p. m. being 63 to 79. Blood pressure: basal periods, 119, 122, 120, 120 mm.; 

 after water, 119, 115, 104 mm. Nitrogen in urine per hour 8 h 15 m a. m. to 

 4 p. m., 0.27 gram. 



/. P. C., 9 h 04 m a. ra* to Il h 22 m a. m., March 27, 1911. 73.1 kilograms. 

 Mouthpiece and noseclips used instead of nosepieces ; high carbohydrate diet 

 on day preceding experiment. Urinated at 7 a. m., Il h 53 m a. m., and 2 h 15 m 

 p. m. Nitrogen in urine per hour 7 a. m. to Il h 53 m a. m., 0.42 gram. 



A. G. E., 8 h 52 m a. m. to 12 h 38 m p. m., March 28, 1911. 56.9 kilograms. 

 Low carbohydrate diet day before. Awake and quiet during whole experi- 

 ment; urinated at 7 h 30 m a. m. and large amount at 2 p. m. Blood pressure: 

 basal periods, 117, 116 mm.; after water, 126, 128, 119, 117 mm. Nitrogen in 

 urine per hour 7 h 30 m a. m. to 2 p. m., 0.48 gram. 



F. G. B., 9 h 02 m a. m. to 10 h 48 m a. m., May 5, 1911. During first period after 

 water had strong desire to urinate; urinated at 10 h 21 m a. m., 10 h 54 m a. m., and 

 Il h 47 m a. m. Nitrogen in urine per hour 8 h 45 m a. m. to 10 h 21 m a. m., 0.57 

 gram; 10 h 21 m a. m. to 10 h 54 m a. m., 0.49 gram. 



