25 



From this cause the fruit buds are first 

 destroyed, and from the constriction of the 

 bark, they are seldom or ever replaced, so 

 that almost the whole branch remains ever 

 after barren. 



To destroy these vermin, and prevent 

 their depredations, many means have been 

 suggested, such as washing with different 

 liquids. Perhaps a liquid may be found 

 capable of destroying them, and it is not 

 unlikely that plain water may do it ; but of 

 this I have no experience j I only make the 

 supposition from always finding their ova in 

 parts of the tree most sheltered from the 

 rain, that is, the inclined side of the trunk, 

 and under side of the horizontal and pend- 

 ent branches. But the difficulty of appli- 

 cation seems unsurmountable, as well as the 

 effect uncertain. The ova of these insects 



