INGESTION OF BEEF TEA. 165 



RESPIRATION EXPERIMENTS. 



J. J. C., 8 h 59 m a. m. to 3 h 40 m p. m., January 25, 1911. 64.3 kilograms.- 

 Was awake throughout first basal period, but very sleepy and quiet; slept 

 about half of second period, and asleep part of third period. In periods after 

 beef tea, slept part of first and second periods, awake throughout third period, 

 slept much of time in fourth period in spite of efforts to keep him awake; 

 coughed once and jumped at a sudden noise in the room; awake in fifth and 

 sixth periods, sleepy in seventh period, and slept between seventh and eighth 

 periods; awake in eighth and ninth periods and very quiet. Nitrogen in 

 urine per hour 7 a. m. to 3 h 40 m p. m., 0.50 gram. 



V. G., 8*41 a. m. to 4*51 m p. m., January 26, 1911. 55.0 kilograms. 

 Awake and quiet in first basal period, sleepy in second, very sleepy in third 

 period ; was awakened several times and did not sleep more than 2 minutes at 

 any time. After beef tea, awake in all periods and for most part quiet ; very 

 quiet in seventh period after beef tea; coughed twice in first period, twice in 

 second period; slight leak in nosepieces in eighth period. Nitrogen in urine 

 per hour 7 h 45 m a, m. to 4 h 55 m p. m., 0.39 gram. 



C. H. H., 9 a. m. to 4 h 42 m p. m., January 27, 1911. 55.2 kilograms. Had 

 walked 1.25 miles since 5 p. m. the day before (pedometer record). Awake 

 and quiet both basal periods and periods after beef tea. A desire to urinate 

 in eighth period after beef tea, but no discomfort. Blood pressure : basal peri- 

 ods, 107, 109, 113 mm.; periods after beef tea, 106, 101, 96, 98, 101, 113, 114, 

 115, 107 mm. Nitrogen in urine per hour 7 h 20 m a. m. to 4 h 55 m p. m., 0.45 gram. 



C. H. //., 9 a. m. to 4 h 45 m P- ni., February 2, 1911. 54.5 kilograms. 

 Between 5 h 15 m p. m., February 1, and 8 a. m., February 2, subject walked 

 3.6 miles (pedometer record) ; amount of activity probably greater, as subject 

 skated 2 hours during evening preceding experiment. Awake and very quiet 

 throughout basal and food periods. Blood pressure: basal periods, 107, 106, 

 105mm.; periods after beef tea, 120, 112, 106, 105, 114, 114, 112, 112, 112mm. 

 Nitrogen in urine per hour 8 h 15 ra a. m. to 4 h 55 m p. m., 0.40 gram. 



V. G., 8*45 m a. m. to 5 h 01 m p. m., February 3, 1911. 54.8 kilograms. 

 Walked 3.9 miles between 5 p. m. February 2 and 8 a. m. February 3 

 (pedometer record). Awake and very quiet in first basal period, fell asleep 

 once or twice in second period, but was immediately wakened. Beef tea 

 produced nausea; subject unable to drink all provided. After beef tea, awake 

 and quiet in first period, slept in second period a little; impossible to keep him 

 awake continuously in third period, even with frequent ringing of an electric 

 bell; in this period moved slightly in sleep and pneumograph slipped out of 

 position. In fourth period, slept very little, if any, and was awake and quiet 

 in fifth and sixth periods; fell asleep again for 3 or 4 minutes in seventh period. 

 In four last periods awake and quiet for most part, but slept some in ninth 

 period. Blood pressure: basal periods, 93, 96 mm.; periods after beef tea, 

 93, 100, 99, 104, 102, 105, 94, 99, 93, 100, 97 mm. Nitrogen in urine per hour 

 7 h 45 m a, m. to 5 h 12 m p. m., 0.31 gram. 



C. H. H., 9 h 03 m a. m. to 4 h 55 m p. m., February 8, 1911. 55.1 kilograms.- 

 Very quiet and awake throughout basal and food periods. Fourth period was 

 shortened to 11 minutes owing to slipping of nosepieces, which caused a leak. 

 Blood pressure: basal periods, 107, 97, 95 mm.; periods after beef tea, 100, 

 104, 111, 111, 107, 106, 108, 107 mm. Nitrogen in urine per hour 8 h 15 m a. m. 

 to 5 h 12 m p. m., 0.49 gram. 



