76 



Influence of Inanition on Metabolism. 



As has been pointed out elsewhere, 21 the cutaneous excretion of nitrogenous 

 material is a factor to be considered in metabolism experiments. Especially 



Table 36. Record of water of respiration and perspiration Metabolism experiment 



No. 69. 



Date and period. 



1904. 

 Dec. 16: 

 Preliminary: 



1 a.m , 



1 a.m. to 4 a.m., 

 4 a.m. 7 a.m., 



Total. 



Dec. 16-17: 



7 a.m. 



9 a.m. 

 11 a.m. 



1 p.m. 



3 p.m. 



5 p.m. 



7 p.m. 



9 p.m. 

 11 p.m. 



1 a.m. 



3 a.m. 



5 a.m. 



Total 



Dec. 17-18 

 7 a.m. 

 9 a.m. 

 11 a.m. 

 1 p.m. 

 3 p.m. 

 5 p.m. 

 7 p.m. 

 9 p.m. 

 11 p.m. 

 1 a.m. 

 3 a.m. 

 5 a.m. 



Total 



(a) 



Total 



amount 



of vapor 



in 

 chamber 



at end 

 of period. 



(b) 

 Total 

 water of 

 respira- 

 tion 

 and 

 perspira- 

 tion. 1 



Grams. 

 49.9 

 46.4 



47.8 



Grams. 



130.6 

 116.7 



247.3 



738.4 



46.9 

 44.9 

 40.7 

 41.8 

 41.9 

 43.2 

 41.2 

 40.3 

 46.5 

 51.2 

 51.5 

 44.8 



84.9 

 68.9 

 64.2 

 66.9 

 69.3 

 71.0 

 67.7 

 65.2 

 85.0 

 89.2 

 88.7 

 77.4 



898.4 



Date and period. 



1904. 



Dec. 18-19 



7 a.m. 



9 a.m. 

 11 a.m. 



1 p.m. 



3 p.m. 



5 p.m. 



7 p.m. 



9 p.m. 

 11 p.m. 



1 a.m. 



3 a.m. 



5 a.m. 



Total 



Dec. 19-20 



7 a.m. 



9 a.m. 

 11 a.m. 



1 p.m. 



3 p.m. 



5p.m. 



7 p.m. 



9 p.m. 

 11 p.m. 



1 a.m. 



3 a.m. 



5 a.m. 



Total. 



to 



9 a.m. 

 11 a.m. 



1 p.m. 



3 p.m. 



5 p.m 



7 p.m. 



9 p.m. 

 11 p.m. 



1 a.m. 



3 a.m. 



5 a.m. 



7 a.m. 



(a) 



Total 



amount 



of vapor 



in 



chamber 



at end 



of period, 



Grams. 

 44.9 

 43.1 

 43.6 

 42.0 

 39.2 

 41.1 

 38.5 

 37.7 

 36.4 

 43.4 

 45.8 

 42.6 



(6) 



Total 

 water of 

 respira- 

 tion 

 and 

 perspira- 

 tion. 1 



Gram 8. 

 80.3 

 67.4 

 69.4 

 63.9 

 65.3 

 67.1 

 65.1 

 59.7 

 60.3 

 70.0 

 73.8 

 52.6 



794.9 



42.5 

 37.5 

 38.1 

 38.6 

 37.4 

 39.0 

 36.7 

 37.0 

 36.5 

 36.5 

 36.9 

 36.1 



70.8 



55.6 



61.8 



59.2 



62.0 



61 



61 



59 



60 



58.0 



61.5 



56.4 



728.0 



1 Allowance is made for water gained or lost by chair, bedding, and miscellaneous articles as 

 follows: December 16-17, 55.70 grams lost; December 17-18, 23.30 grams gained; December 18-19, 

 29.70 grams lost ; December 19-20, 34.80 grams lost. 



is this true in experiments in which work is performed where the nitrogen 

 of organic matter excreted through the skin may amount to 0.22 gram of 



21 Journ. of Biological Chemistry, 1906, 1, p. 263. 



