192 



DISEASES AND INSECT ENEMIES. 



and the eggs from which they are hatched will 

 also be found present in varying numbers. Ordi- 

 narily the eggs are spherical and almost colorless. 

 Under a slight magnification they appear like 



58. Nozzle used in spraying plants for the destruction of 

 red spider. 



little globules of dew, but upon touching them 

 they are found to have relatively firm walls. The 

 eggs are not hatched for eight or ten days after 

 being deposited, the length of time depending in 



