312 CONNECTICUT GEOL, AND NAT. HIST, SURVEY 



PLATE VII 



Labia of nymphs 



1. Lihellula pulchella 



2. Erythrodiplax herenice 



3. Tetragoneuria cynosura 



4. Sympetrum vicimim 



5. Lihellula exusta 



6. Leucorrhinia intacta 

 All greatly enlarged. 



