26 



are generally laid so deep and secure in the 

 fissures and crevices, and so completely 

 covered by the bark, that it is impossible to 

 make any liquid reach them. 



Smoaking, tying hair-ropes, c. round the 

 trees, laying certain substances upon the 

 ground, about the root of the tree, are not 

 worth taking notice of. 



As the ova of these insects are lodged in 

 the fissures and crevices of the outer bark, 

 the means I propose to destroy them, is to 

 take off the outer bark completely from the 

 trunk and large branches, as far at least, as 

 it is cracked and scaly, by which they will 

 be effectually dislodged, and must inevitably 

 perish when driven from their nidus. At 

 the same time it will relieve the tree from 

 the constriction of the dry and hardened 



