346 



MANURES. 



or i of its weight of ground gypsum, and allowing it to 

 stand several days. The urine combines with a portion 

 of the ammonia, after which the liquid is poured off anH 

 the remainder dried. Allen. 



Analysis of night soil. 



The excrement of a healthy man yielded in 1000 parts 



Water 733. 



Albumen 9. 



Bile. . 9. 



Mucilage, fat, and animal matter . 1 67. 



Saline matters 12. 



Undecomposed food 70. 



Man's urine yielded in 1000 parts 



Water 



Urea 



Uric acid 



Free acetic acid, lactate of 

 ammonia, and animal mat- 

 ter 



Mucus of the bladder 



Sulphate of potash 



" soda 



933. 

 30.1 

 1. 



17.1 



Phosphate of ammonia 1.6 



" soda 2.9 



Sal ammoniac 1.5 



Common salt 4.5 



Phosphate of lime and mague- ) 



sia, with a trace of silica [ 1.1 

 and fluoride of calcium ) 



1000. 

 Berzelius. 



Urea is a solid product of urine, and gives in 100 parts 



Carbon. . 

 Oxygen . 



19.99 I Hydrogen 6.65 



26.63 I Nitrogen . . . , 46 65 



Prout. 



