ANALYTICAL EVIDENCE. 



285 



2. Composition 



Of Fseces. Of Black Bread. 



Of Potatoes. 



Of Flesh. 



Playfair.* 



Beeckmann.* 



Boussingault. Beeckmann.* 



Carbon ... 45 24 45-09 45*41 44*1 43-944 (See note 



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

 NitroE^en i 



Oxygen ) ^^*'^ "^^"^^ ^^"^^ ^^'^ 44-919 



Ashes ... 13-15 3-25 3-25 5-0 4-915 



100-00 10000 100-00 100-0 100000 

 Water ... 300*00 



400-00 



Of Pease. 

 Playfair.* 



Carbon 35743 



Hydrogen 5-401 



Nitrogen 



^ 



39-366 



Oxygen J 



Ashes 3-490 



Water 16-000 



100000 



Of Lentils. 

 Playfair.* 



37-38 

 5-54 



37-98 



3-20 

 15-90 



100-00 



Of Beans. 



Playfair.* 



Fresh Meat. 

 Beeckmann.* 



Water 



Dry Matter 



75 

 25 



74-8 

 25-2 



100 1000 



Potatoes. 

 Boussingault. 



72-2 



27-8 



73-2 



26-8 



1000 100-0 



Black Bread. 

 Beeckmann.* 



33 



67 



31-418 

 68-592 



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 



