Plate XVI. 



Fig. 1. — Dorsum of prothorax of Larva of Polyommatus icarus, last instarx35. 



M 



2 Plwto. F. N. Clark. 



Fig. 2. — Prothoracic plate of larva of Polyommatus icarus, last instarxIOO. 

 Details of larva of Polyommatus icarus. 

 A Natural History of the British Butterflies, etc., 1910. 



[To face p. 200.] 



