EXPLANATION OF PLATE XVI. 



Fig. I. Terminal segments of abdomen of Coeliccia bimaculata, 

 sp. nov,, seen from above, cf . 



2. Anal appendages of C opera annulata subsp. stevensi, nov. 



3. Archibasis oscillans{de Selvs), lateral view of anal appen- 

 dages, a' . 



4. Aciagrion pallidum, de Selys^ lateral view of anal appen- 

 dages, & . 



5. Ischnura rufostigma^ de Selys, anal appendages, cf. 



6. Argiocnemis ohscura, sp. nov., lateral view of anal appen- 

 dages, & . 



7. Argiocnemis aborcnse, sp. nov., lateral view of anal 

 appendages, cf . 



8. Ceriagrion coromandelianum (Fabr.), lateral view of ex- 

 tremity of abdomen, & . 



8a. Dorsal view of the same. 



9. Ceriagrion olivaceum, sp. nov., anal appendages from 

 side, cf . 



10, Argiocnemis nana, sp. nov., lateral view of anal appen- 

 dages, cf . 



