ANALYTICAL EVIDENCE. 



273 



2. COMPOSITION 



Of Faces. Black Bread. Potatoes. Flesh. 



Playfair.* Boeckmann.* Boussingault. Boeckmann.* 



See note 

 28.) 



10000 100-00 100-00 100-0 100-000 

 Water 300-00 



400-00 



3. CALCULATION, 



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

 carbon expired by ail adult man. The following results 

 are deduced from observations made (see table) on the 

 average daily consumption of food, by from 27 to 30 sol- 



