EXPLANATION OF PLATE XIIL 



Chrysopora {Gelechia) hennn-nnella, Fab. 



Ovum. X 20. 



Larva, first instar, showing ventral stripe, x 30. 



Larva, second instar, ventral view. x 10. 



Larva, third instar, lying up for change of skin, ventral view. x io_ 



Larva, fourth instar, showing situation of the crimson spots. x 10. 



Female imago. x 2^. 



Leaf of Chenopodium albitm containing larval mines, a. Mine of first 



stadium, b. Mines of first and second stadia, c. Mines of first, 



second, and third stadia. 

 Leaf of C. album, containing last portion of mine of the fourth 



stadium. 

 Leaf of C. album containing old mine of C. hermaiinella and the white 



blotch mine of Chrysopora stipella, Hb. 

 and II. — Imaginary sections of leaf, showing larvre entering through 



the lower cuticle. 

 —Cocoons in portion of paste-board box. 



