364 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



Balano ofinconn and outgo of matter and energy. — The income and outgo of nitrogen. 

 carbon, hydrogen, and energy in the different experiments of this series are shown in Tables 

 LXXXVI to LXXXIX. 



Table LXXXVI. 



-Income and outgo of nitrogen and carbon — Metabolism experiments Nos. 29-81. 



Date and period. 



Nitrogen. 



(a) 

 In food. 



1900. 



Experiment No. 29. 



Mar. lfi-17, 7 a. m. to 7 a. m.j 

 17-18, 7 a. m.to 7 a. m . 

 18-19, 7 a. m.to 7 a. m. 



Total 



Average 1 day 



Experiment No. 30. 



Mar. 19-20, 7 a. m. to 7 a. m. 

 20-21, 7a. m. to 7 a. m 

 21-22, 7a. in. to 7a. m. 



Grams. 

 16.0 

 16.1 

 16.0 



Total 



Average 1 day 



Experiment No. 31. 



Mar. 22-23, 7 a. m. to 7 a. m . 

 23-24, 7a. in. to 7 a. in. 

 24-25, 7 a. m. to 7 a. m . 



Total 



Average 1 day 



48.1 



16.0 



15.9 

 15.8 



15.9 



47. 6 



15.9 



16.1 

 16.0 

 16.1 



48. 2 



16. 1 



(6) 

 In feces. 



0.9 



.8 

 .9 



2.6 



.6 



2.0 



2.4 



(c) 



In urine. 



Gain ( + ) 

 orloss( — ), 

 -(ft+c). 



loams. 



15.4 

 16.3 

 16.2 



47.9 



16.0 



16.8 

 18.0 

 17. 1 



51.9 



17.3 



16.3 

 15.4 

 15.2 



46.9 



Grams. 

 -0.3 

 —1.0 

 -1.1 



-2.4 



-1.6 



2.8 



-1.9 



-6.3 



-2.1 



-1.0 



_ .2 



- !i 



Carbon. 



(«) 



In food. 



Grams. 

 333.6 

 333. 7 

 333. 6 



1, 000. 9 



333.6 



(/) 



(ff) 



In feces. In urine. 



loams. Grams. 



8, 3 10. 8 



8.4 11.4 



8.3 11.3 



25.0 



33. 5 



8.3 



11.2 



315. 5 

 315. 5 

 315.5 



6.4 

 6.5 

 6.4 



11.8 

 12.6 

 11.9 



(A) 



In respira- 

 tory prod- 

 ucts 



Grams. 



33S. 7 

 323. 3 

 342. 7 



In alcohol 

 elimina- 

 ted. 



(*) 



Gain ( + ) 

 orlossl — ), 



"-I./+9 

 +h+i). 



Grams. 



Grams. 

 —24. 2 

 — 9^4 



-28.7 



1,004.; 



62 3 



334. 9 



-20.8 



322. 3 

 312.6 

 314.6 



.4 

 .4 

 .4 



-25.4 

 -16.6 



17 v 



946. 5 19. 3 



36 3 



315. 5 



6.4 



12.1 



321.5 

 321.6 

 321.5 



8.1 

 8.1 

 8.1 



-1.1 



15.6 



.3 



964. 6 



321.5 



24. 3 



S. 1 



11.3 

 10.8 

 10.6 



32.7 



10.9 



949. 5 



1.2 



-59.8 



316. 5 



313. 1 

 316.6 



3,17. S 



947. 5 



315.8 



-19.9 



-11.0 

 -13.9 

 -15.0 



-39.9 



-13.3 



a Nitrogen in perspiration, 0.2 gram per day, is included in this column. 

 Table LXXXVII. — Income and outgo of waU r and hydrogen — Metabolism experiments Nos. 29-81. 



