168 AMERICAN MANURES. 



pay $1, should weigh at least 1000 Ibs.; it 

 usually weighs only from 500 Ibs. to 800 Ibs. 



The average value of 1000 Ibs. of this manure, 

 if as good as ordinary barn-yard manure, which 

 is not tlie case, is as follows : 



Pure dung 150 Ibs., worth $0.70 



Straw or other litter 400 " " 0.49 



Water and useless matter 450 " " 0.00 



1000 " " Value 1-19 



If the farmer gets 1000 Ibs. of a quality equal 

 to barn-yard manure, for $1, it costs him as 

 much as the same amount of the fertilizing 

 elements would in Peruvian Guano; but when 

 the greater cost of transportation and application 

 to the soil is counted, it costs him much more. 



The great object of the parties engaged in this 

 dung business in cities, is to buy the largest 

 possible loads for the smallest amount of money 

 from the stable keepers, and then to sell the 

 smallest possible loads for the largest amount of 

 money to the farmers. To accomplish this, they 

 have carts of two sizes ; when they buy they use 

 the large size, when they sell they use the small. 

 When they buy, they pack in as much as their 

 large carts will hold ; when they sell, the small 

 carts are filled as -lightly as possible, by trained 

 men who understand the art of filling a cart 

 with a very small amount of material. Nor is 

 this all. After collecting from the stable keepers, 



