( 3- ) 



100.0 

 We now pass to the consideration of the 

 matters excreted by different animals, and 

 shall separately speak of the dung of the horse, 

 cattle and hog as components of barn yard 

 manure, and of which we have as yet only 

 summarily treated. 



CHAPTER V. 



EXCRETED MATTERS, (Nitrogcnous Manurcs.) 

 Horse Dung. Although the excrements of 

 the horse are richer in nitrogen than those of 

 4 



