72 



THE REPORT OF THE 



No. 19 



Fig. 22. Dimple Gall and section of interior Fig. 23. Pocket Gall : Upper surface of leaf 

 greatly magnified. interior of gall, much magnified. 



Fig. 24. Pouch Gall on upper surface of leaf ; interior 

 of gall, much magnified. 



Fig. 25. Leaf-margin Gall. 



