216 FOOD INGESTION AND ENERGY TRANSFORMATIONS. 



in spite of all efforts, went to sleep in last period. Nitrogen in urine per hour 

 8 h 15 m a. m. to 4 h 13 m p. m., 0.38 gram; 4 h 13 m p. m. to 5H5 m p. m., 0.29 gram. 



J. J. C.. 9 h 01 m a. m. to 4 h 20 m p. m., December 6, 1910. 63.3 kilograms. 

 Low-carbohydrate diet on preceding day. Very quiet in basal periods, most 

 of time asleep; asleep at end of both first and second food periods; during 

 third period adhesive plaster became kosened while subject was asleep; he 

 doubtless inhaled air; in seventh period, slept most of time but was constantly 

 awakened by observer. To prevent possible leakage of air during sleep, rub- 

 ber bandage used around head and over upper lip in eighth and ninth food 

 periods, but even with this device mouth apparently opened once in latter 

 period; as bandage caused discomfort, it was removed and only the adhesive 

 plaster alone used thereafter. Awake in last period. Nitrogen in urine per 

 hour 8 h 25 ra a, m. to 4 h 40 m p. m., 0.48 gram. 



J. J. C., 8 h 49 m a. m. to 3 h 02 p. m., December 8, 1910. 63.5 kilograms.- 

 High-carbolrydrate diet on preceding day. Wooden head-rest used. Subject 

 slept between first and second basal periods and continued to be very sleepy, 

 requiring entire attention of one observer to keep him awake. In first food 

 period not so sleepy as previously, but observer spoke to him frequently to 

 make sure that he was awake; slight activity in second food period; several 

 movements in fourth food period; asleep most of fifth and sixth periods, 

 although frequently awakened. In seventh and eighth periods fell asleep; 

 when awakened made slight movements; in last period drew deep breath. 

 Nitrogen in urine per hour 7 h 30 m a. m. to 3 h 14 m p. m., 0.39 gram. 



J. J. C., 8 h 48 m a. m. to 5 h 21 m p. m., December 20, 1910. 64.7 kilograms.- 

 Subject sat in chair. High-carbohydrate diet on preceding day. Some sleep 

 between second and third basal periods; coughed once in third basal period 

 with possibility of slight loss of air; left nosepiece loosened in fourth period; 

 possible leak in left nosepiece in fourth food period ; a number of deep breaths 

 in fifth food period; very quiet in eighth and ninth periods, but no tendency 

 toward sleep. Nitrogen in urine per hour 7 h 10 m a. m. to 5 h 23 m p. m., 0.20 

 gram. 



V. G., 8*17 m a. m. to 2 h 53 m p. m., November 18, 1910. 53.9 kilograms.- 

 Two pillows and wooden head-rest. Very quiet during first five basal periods, 

 at times showing tendency to go to sleep; fell asleep once and slept between 

 periods. Quiet in last two basal periods. Left room for urinating before 

 taking sucrose. In last food period found it difficult to breathe; several very 

 deep respirations. Nitrogen in urine per hour 7 h 50 m a. m. to I h 15 ra p. m., 

 0.49 gram; I h 15 m p. m. to 3 h 20 m p. m., 0.41 gram. 



V. C., 8 h 35 m a. m. to 4 h 47 m p. m., November 30, 1910. 53.9 kilograms. 

 High-carbohj'drate diet day preceding. Slept most of first basal period and 

 also throughout second and third basal periods ; sound asleep in third food period 

 and slept during fifth food period. Awake most of sixth food period, but slept 

 again part of seventh food period. Apparatus tested in intermission of one 

 and one-half hours between seventh and eighth food periods. Some nausea 

 at this time. Defecated at 3 h 37 m p. m. Nitrogen in urine per hour 7 a. m. 

 to 3 h 37 m p. m., 0.31 gram; 3''37 in p. m. to 5 h 19 m p. m., 0.24 gram. 



V. G., 8*21 m a. m. to o*46 m p. m,, November .?/, 1910. 53.9 kilograms.- 

 First and second basal periods very quiet; very sleepy in third basal period 

 and after several efforts to keep him awake was allowed to sleep. Slight 

 movement in sixth period; asleep most of eighth period and very quiet. In 

 food periods, very quiet, coughing once in fourth food period. Nitrogen in 

 urine per hour 6 h 45 m a. m. to 3 h 05 m p. m., 0.18 gram; 3 h 05 m p. m. to 5 h 50 m 

 p. m., 0.20 gram. 



