145 



These results are here tabulated.to indicate the great variations that 

 occur in the manurial value of Bat Guano, dependent upon the condi- 

 tions under which it has been produced. 



Analyses of Jamaica Bat Guanos. 



Sample No. 11 represents the dried excrement of insectivorous bats 

 of recent origin. This is marked by a high percentage of Nitrogen. 

 Such a material should be worth about £6 per ton at current prices. 



The commercial value of this product is chiefly based upon the con- 



