88 
Ohio Naturalist. 
[Vol. 1, No. 6 
Ant Lion. — Still another very characteristic member of the 
dune fauna is the ant lion, the larvae of which construct their 
characteristic pitfalls in slightly protected places near bushes or 
trees, sometimes in great numbers, indicating a very numerous 
colony of these curious creatures. Of these there are, judging by the 
larvae, two quite distinct species common to the Point, but these 
have not as yet been reared. Aside from the pitfalls these ant lions 
make a peculiar track in the sand when they are moving from one 
point to another. These movements apparently occur only during 
Fig. 3. — Pitfalls and Tracks of Ant Lions. 
short periods, as is shown when an area which has been entirely free 
from such tracks will be noticed after an hour or two to be com- 
pletely netted with their devious furrows, which could only be 
formed by a number of larvae. The larvae move backward, and 
from the character of the furrows produced in the sand, must re- 
main just beneath the surface of the sand, as the sand is raised on 
either side. That the furrows are formed by these larvae is proven 
by the fact that if the pitfalls at their ends be dug into they will be 
found to contain larvae. The movements of the larvae, forcibly pro- 
