THE BOLL WORM IN EGYPT. 



PLATE I. 



17 



H. KNIGHT, Pinxit. 



FORMS OF EARIAS INSULANA, BOISD. 



1 3. var. semifascia, Warren. 15, 16. E. insulana, Boisd. 



7, 8. var. anthophilana, Snell. 17. Pupa. 



14. var. ochreimargo, Warren. 18. Cocoon. 



Other figures represent intermediate forms. 





