Bulletin Wisconsin Natural History Society [Vol. 13, No. 2- 
OS 
of Gomphus. A special lookout for adults was prompted by the 
presence of the emerging individuals but none were abroad. It 
might here be noted that Blackbirds, the Grackles as well as the 
Redwings, were especially busy amongst the vegetation close to 
Fig. 7. Pond at Mankato where G. cornutus was found Breeding. 
Nymphs came i p to Moult on the Floating Debris and Algae in the 
Foreground. 
the surface of the water, seizing and carrying away slender- 
bodied greenish insects; just what these were could not be detected 
from a distance, probably Dytiscus larvae or transforming Odonata. 
