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FlG. 50. — Development and Parasites of the large Cabbage-white Butterfly : 

 A, a pill-box, the white specks within which are the eggs ; B, the full- 

 grown larva ; C, the male insect ; D, the female ; E, the pupa; show- 

 ing the wings and appendages ; F and G, Ichneumon parasites of the 

 caterpillar. I— (From specimens in the Manchester Museum.) 



R 2 



