ANALYTICAL EVIDENCE. 

 2. COMPOSITION 



285 



Of Faeces. Of Black Bread. Of Potatoes. Of Flesh. 



Playfair.* Bceckmann.* ' BoussingaultTBceckmann.* 



Carbon ... 45-24 45-09 45-41 44-1 43-944 (Seenote 



Hydrogen 6-88 6'54 6'45 5-8 6'222 28.) 



Nitrogen 



Oxygen ^ ' 73 45 ' 12 44 ' 89 45 ' 1 44 ' 919 



Ashes 



Water 



} 34-73 45-12 44-89 45'1 44-! 



13-15 3-25 3-25 5'0 4-915 



100-00 100-00 100-00 100-0 100000 

 300-00 



400-00 



Of Pease. 

 Playfair.* 



Carbon ............... 35'743 



Hydrogen ......... 5'401 



......... 39-366 



Oxygen J 



Ashes ............... 3-490 



Water ............... 16-000 



Of Lentils. Of Beans. 

 Playfair.* Playfair.* 



37-38 38-24 



5-54 



37-98 



3-20 

 15-90 



100-000 100-00 



100-00 



100 100-0 100-0 100-0 100 100-000 



3. CALCULATION, 



with the help of the preceding data, of the amount of 

 carbon expired by an adult man. The following results 

 are deduced from observations made (see table) on the 

 average daily consumption of food, by from 27 to 30 

 soldiers in barracks for a month, or by 855 men for one 



