31 6 CONNECTICUT GEOL. AND NAT. HIST. SURVEY 



PLATE XI 



Wings of Anisoptera 



1. Macromia illinoiensis 



2. Cordulia shurtleffi 



No. I, twice; No. 2 three times enlarged. Black marks appear- 

 ing at base of No. 2 are not part of the wings proper. 



