ILLUSTRATIONS 



PAGE. 



Willow Apple Gall (Nematus pomum WaiIsh) . . . 109 

 Willow Egg Gall (Euura ovum Walsh) . . . .110 

 Alder Bud Gall (Cecidomyia serrulatm Osten Sacken) . no 

 Bass WOOD Wart Gall {Cecidomyia verrucicola Osten 



Sackex) . . . . . . . . . .110 



Tulip-Tree Midrib Gall {Cecidomyia tulipifera Ostex 



Sacken) . . . . . . . . . .111 



Tulip-Tree Spot Gall {Cecidomyia liriodendri Osten 



Sackex) . . . . . . . . . .111 



W^iLD Cherry Bud Gall {Cecidomyia serotin.-e Ostex 



Sackex) . . . . . . . . .111 



Ash Midrib Gall {Cecidomyia pellex Osten Sacken) . 112 



Honey-Locust Pod Gall {Cecidomyia gleditschle Osten 



Sackex) . . . . . . . . . .112 



Hickory Onion Gall {Cecidomyia holotricha Osten 



Sacken) . . . . . . . . . .112 



Hickory Seed Gall {Cecidomyia cary.ecola Osten 



Sacken) . . . . . . . . . -113 



Hickory Tube Gall {Cecidomyia tubicola Osten Sackex) . 113 

 Hickory Coxe Gall {Cecidomyia saxguixolenta Ostex 



Sackex) . . . . . . . . . .114 



Hickory Peach Gall {Cecidomyia persicoides Ostex 



Sackex) . . . . . . . . . .114 



Pine-Cone Willow Gall {Cecidomyia strobiloides Ostex 



Sacken) . . . . . . . . . -114 



Willow Club Gall {Cecidomyia rigid.e Osten Sacken) . 115 

 Willow Potato Gall {Cecidomyia batatas Osten Sacken) 115 

 Dogwood Club Gall {Cecidomyia clavula Beuten.) . . 115 

 Touch-Me-Not Gall {Cecidomyia impatiexs Osten Sacken) 116 

 Oak Pill Gall (C£C/L>OMy/^ p/z-c/L^ Walsh) . . . 116 



Oak Spangles {Cecidomyia poculum Osten Sacken) . .116 

 Oak Fold Gall {Cecidomyia xiveipila Osten Sacken) . 117 



GOLDENROD BUNCH GaLL {CeCIDOMYIA SOLID AGINIS LoEW) . II7 



Grape-Vine Tube Gall {Cecidomyia viticola Osten 



Sacken) . . . . , . . . . .118 



Grape-Vine Apple Gall {Cecidomyia vitis-pomum Walsh 



AND Riley) . . . . . . . . .118 



Grape-Vine Tomato Gall {Lasioptera v/r/s Osten Sackex) 118 

 Maple Spot Gall {Sciara ocellata Osten Sacken) . .119 

 Goldenrod Gall {Trypeta polita Loew) . . . .119 



