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 witli their devious furrows, whicii could only be 

 formed by a number of larvae. Tlie 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. Tliat 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 qf the larvae, forciblj^ pro- 



