THE AMERICAN NATURALIST. [VoL. XXXIX. 


"UM 

d 
a "^ : c 


name nm 

Fic. 1.— Stems of the nn a, the horse-weed, 4, and the golden-rod, c and d, which 
ave been stripped of their leaves to clearly show the holes made by (Zcanthus fasciatus 
during oviposition p portion of the stem d has been removed longitudinally to show the 
eggs in situ. Photographed by the author. 
