PLATE LXV. 



Galls caused by Dich^na quercina on branches of Q. pedimculata. 



A. A. Branch divided longitudinally. 



B. Tangential section of a growth similar to that above it. 



c. Transverse section of a growth similar to that of b on Plate LXYI. 

 Two-thirds nat. size. 



Adlard ^- Son, Impr. 



