304 Collece of Forestry 
Aischna species. 
Nymphs were secured from station XIX. 
Anax juntus (Drury) Selys. 
Nymphs of this dragon-fly were obtained from the stomach 
of the Painted Terrapin. 
Good accounts of the Odonata, as well as other fresh-water 
insects, will be found in Needham, 1901 and 1903. 
Famity LipeLLunip”. 
Tetragoneuria cynosura Say. 
Two specimens of this species were obtained from station 
i 
Fragments of both dragon-fly and damsel-fly nymphs were 
noted in the stomach contents of the Common Perch. 
ORDER PLECOPTERA (Stone-flies). 
Famity PrEriip®. 
Perla species. 
Several nymphs of a species of this genus were obtained at 
station XVI. 
Acroneurta species, 
Nymphs were obtained at station XVI in company with 
the last species. 
ORDER HEMIPTERA (Bugs). 
The Hemiptera were determined by Mr. W. J. Gerhard. 
Famriry Corrxip® (Water-boatmen). 
Corisa undulata Say. 
This common water-boatman was observed in several of 
the protected bays among the water plants. 
