490 



Mr. W. North. The Influence of 



siderable loss of weight in consequence of severe exercise, I have 

 observed this extreme thirst on the day following. It would seem 

 that a compensation for the weight lost, in the shape of water, was 

 absolutely necessary. 



Comparison of Nitrogen and Phosphoric Acid in the Ingesta 

 and Excreta. 



Experiment III, 1882. 





12 Days. 



Daily. 



11 Days. 



Daily. 



Nitrogen of urine . . . e 



175 02 



14-58 



165 



•56 



15 05 



faeces .... 



22-80 



1-90 



22 



•80 



2 07 





197 -82 



16-48 



188 



•36 



17 12 





194 -06 



16 17 



194 



•06 



17-64 





3-76 



0-31 



6 



•30 



0-52 





21-99 



1 '83 



20 



•84 



1-89 





20-51 



1-70 



20 



51 



1-86 



Total excreta 



42 50 



3 -54 



41 



35 



3 75 





42-59 



3-55 



42 



59 



3-87 



0-09 



o-oo 



1 



24 



0-12 



Comparison of Nitrogen, Phosphoric and Sulphuric Acids Excreted 

 before and after the Work. 



Experiment III, 1882. 



1st Period. 





Before work. 



After work. 



Differences. 





12-92 



13 -47 



55 





1-43 



2 14 



0-71 





14-35 



15 61 



1-26 





1-80 



1-51 



39 





95 



2-01 



106 





2-75 



3 52 



0-77 





2-58 



2-83 



25 



2nd Period. 





13 23 



18-27 



5 -04 





1-83 



2 43 



0-60 





1507 



20-75 



5-68 





163 



2 35 



0-72 





1-56 



2 40 



0-84 





3 19 



4-75 



1-56 





2-72 



3-40 



0-68 



