C 3*4 J: 



EXPLANATION OF PLATE IX. 



Fig. I, 



An old Fergamot Pear headed down at the cicatrix a r . 

 taken from the wall and planted: out as a dwarf ftandard. 



h. A wound, covered with the Compofition, where a large 

 upright (hoot was cut orT, to give. the leading ilioot freedom* 

 to grow £i*raight 0 



The different appearances of the infe6t fo deftrudtive to» 

 Pear-trees, mentioned in the Chapter, on Insects, under the 

 head Caterpillar, 



This infect is inclofed lit a cafe, and, when fixed on the. 

 leaf on which it feeds, appears as reprefented at a, a, a> whiphi 

 is about its natural fize., 



h. The cafe magnified. 



c. The cafe, with the in feci; in, motion, magnified* 



d. The infect, magnified. 



e. The Moth. 



j. Th-e Chryfat'is. 



g . Th e C h r y f a 1 i a m a g n i fie d "... 



Fig, iik 



The Coccus which in f efts- Peach,. NecTarihe, and Pear trees*, 

 a, a., a,. The infect, the natural fize* on a branch of a 

 Pear-tree. 



lj i, h* The fame magnified". 



