PLATE XLVI. 

 Aphis BRASsiCiE. (Page 33.) 



Fig. 1. — Apterous viviparous female covered by her 

 mealy coat. 



Fig. 2. — The same, divested of lier coat by solution 

 in a drop of ether. 



Fig. 3.— The pupa. 



Fig. 4. — Winged viviparous female seen in profile. 



Fig. 5. — Young with its mealy coat. 



Fig. 6. — The same with coat removed, a. Head 

 and antenna of winged female, h. The cornicle of the 

 same. 



Fig. 7. — Trionyx rapas. c, Leg of the same insect. 



