PLATE II. 



Phylloxera c.-folia Fitch. 



Fig. 9. Mature galls, above and beneath — natural size. 



Phylloxera picta Pergande, n. sp. 



Fig. 10. Mature galls, above and beneath— natural size. 



Phylloxera intermedia Pergande, n. sp. 



Fig.- 11. Mature galls, above and beneath — natural size. 



Fig. 12. Mature gall, vertical section- greatly enlarged. 



Fig. 13. M ature galls, above and beneath— natural size. 



Fig. 14. Mature gall, vertical section— greatly enlarged. 



