//.'/ CTI02\ OF INSEi I- /■) Fl 





concealed iu i liem \vh 



The commonesl example is the mould | 



i , 







Cohn, Pig. 39), which destroys the common h use-flj al 



the beginning of autumn. 



The Destruction of Insect Pests by means of Insect Fungi 

 When ins i multiply and abound in greal numl 



as to become overcrowded, epidemics are liable I - and 



carrj them off in great numbers. These ins ; .. 



