THK AUDUBON BULLETIN 



l S 



Fig. 3 — Oak Bullet Gall 



Among mammals the squirrel is known to search the vagabond gall 

 (Fig. on the cottonwood tree, presumably for its sweet contents, 

 honey-dew, produced by the aphids who in this case are the gall makers. 



— Carl F. Groneman. 



Fig. 4 — Golden Rod 

 Ball Gall 



Fig. 5 — Vagabond Gall. 



