MANURE. 



151 



the solid feces. Now, the mixture of urine and feces, the 

 fluids and solids, is known under the name of night soil. No 

 substance is more varied in composition, depending as it 

 does upon the food and habits of those whose accumulations 

 are removed from their usual receptacle. A French farmer 

 found to his cost, that the night soil of a Parisian restaura- 

 teur was much superior to that of the Parisian military bar- 

 racks. The former was a very rich manure, the latter 

 almost worthless. 



A family consisting of three men from 29 to 60 years of 

 age, of one woman, from 30 to 35 years, and a boy from 6 

 to 8 years, will ordinarily produce, daily, about 18 pounds 

 of excrements, consisting of 



The salts are composed, according to the analysis of the 

 ashes of urine and feces by Prof. J. A. Porter, as follows : 



Allowing each person of the family namea above, by ab- 



