.Cherry-GdII. 



o only. 



Smooth S^AnjIeO 

 p onjy 



SilkByltonGdII 



I 



\ % only. 



Sehcnck's-GAJI- 



BlisferCi^F' 



Plate VI. 



Dj, El, Fi, and G-i, the Galls formed by the parthenogenetic generations of the Gall- 

 flies which in their alternating sexual generations produce the Galls Dg, E^, F2, and 

 Gg respectively. 



