Bodily Labour upon the Discharge of Nitrogen. 



477 



Experiment I, 1882. May 24 to June 1. 



The Work done May 28, 1882. 

 Table H. 



Distance walked 30 miles. 



Total time of journey 8 hours. 



Halts 1 hour. 



Actual time of walking 7 hours. 



Average pace 4*28 miles per hour. 



Weight naked before starting 132 lbs. 



„ on returning 129 „ 



Loss 6 „ 



Weight of clothes and kit. i.e., the load 



carried 28 „ 



Remarks. — This was the first long walk I had taken for three 

 months. I was out of condition. The day was exceedingly hot, and 

 perspiration excessive. 



Experiment I, 1882. 





Whole experiment. 



Daily. 



Nitrogen of urine .... 



135 33 



15-03 



„ of faeces .... 



20-69 



2-29 



Total excreta 



156 02 



17 32 



Total ingesta 



158 -78 



17-64 



Difference 



2-76 



0-32 



P 2 5 of urine 



18-00 



2-00 



P 2 5 of faeces 



19-44 



2 16 



Total excreta 



37-44 



4 16 



Total ingesta 



34-84 



3-87 



Differences 



2 60 



0-29 





Before work. 



After work. 



Difference. 



Nitrogen of urine .... 



14 15 



15-74 



1-59 



„ of faeces .... 



2-48 



2 15 



0-33 



Total nitrogen 



16-66 



17-89 



1-23 



P 2 5 of urine 



2-01 



2-00 



o-oi 



P 2 5 of fasces 



2-54 



1-85 



0-69 



Total excreta 



4-55 



3-84 



0-71 



H 2 S0 4 in urine 



2-76 



3-00 



24 



