PLATE XIX. 



Fig. 1. — Transverse section of gall of Cynips 

 Kollari. 



Fig. 2. — Transverse section of gall of Andricus 

 cur viator. 



Fig. 3. — Transverse section of gall of Trigonaspis 

 megaptera. 



Fig. 4. — Longitudinal section of gall of Neuroterus 

 lenticularis; 4 a. transverse section of gall of Neuroterus 

 lenticularis. 



Fig. 5. — Transverse section of gall of Neuroterus 

 baccarum. 



