THE HAWTHORN. 



233 



ed instruments for checking their ravages ; and 

 the Moth itself is frequently washed from the 

 tree while laying its eggs, and perishes on the 

 ground. 



YELLO^V^-TAILED 3I0TH. 



Another species of the same genus, the ^'Brown- 

 tailed Moth" {Bomhyx, or Porthesia^ auriflua), has 

 occasionally been exceedingly destructive. 



In the summer of 1782 especially, this insect 

 created great alarm over the country, from its 

 colonies established on the Hawthorn and some 

 other trees, which were so exceedingly numer- 

 ous, we are informed by Mr. W. Curtis (who 

 published a treatise on it), that in many of the 

 parishes near London subscriptions were opened, 



