Proc. S.L.E. tC- N.H. Soc, 1922. 



Plate VIII. 



Typical labia of British Dragonfly Naiads. 



Apical portion of- 



1. Gomphiis vuhiatissiiiitts, Linn. (x6). 



2. Coidiilegaster aimuUituf:, Latr. (x4'5). 



3. Aeschna gr(iinH<, h\nn. (x3). 



4. Libellitla qiuulriiuacHlata, Linn. (x4*5). 



5. Calopteri/.v sple'ideiis, Harris ( x 11"25). 



6. Lestes sponsa, Hans, (xll'25). 



7. Enjthromma itaidn, Hans. (xl2). 



