LIST OF FIGURES. 



I. — Lt's/es spojzsa, connected per colliini 



2. — Pvrrhosoina nymphula ovipositing 



3. — jrEschna grandis ovipositing 



4. — Eggs of \aiious Dragonflies 



5. — Ana grits incarnatus, a lumenopteron parasitic in eggs ol 



Dragonflies 

 6. — Newly-liatched nymph of Synipi'tru/ii strio/aliiiii 

 7. — Nymph of Lihelliila qiiadrhiiaculata, ready to disclose imago 

 8. — Imago of Lihellula quadrimacidata parti)' out of nymph-case 

 (). — Imago of Lihellula qiiadri/jiacttlata just emerged from nymph- 

 case 



10. — Imago oi Lihellula quadriiu leulata lately emerged, wings of 

 full size 



II. — Diagram of Anisopterid Dragonfly nymph 



12. — Diagram of Zygopterid Dragonfly nymph 



13. — Side-view of fore-part of nymph .. 



14. — Labial palpi of nymph of Aiiax iiiiperator 



15. — Typical masks of the nymphs of the \arious sub-families 



10. — Mandibles and maxillce of nymph of Aiia.v iiiiperator 



1 7. ^Ventral surface of ninth segment of nymph of male Anas 

 iiiiperator 



18. — Ventral surface of ninth segment of nym]ih of female Aiiax 

 iiiiperator 



19. — Leg-base processes of nymphs of various ^-Eschnine Dragon- 

 flies 



20. — Head of imago of ^ii/ina eyaiiea 



21. — Mouth-parts of imago of yEsehna cyanea 



22. — Diagram of imago of Dragonfly (lateral view) . . 



23. — Diagram of imago of Dragonfly (dorsal view) . . 



24. — Diagrams of typical Dragonfly wings 



25. — Nymph of Lihellula depressa 



20. — Head of nymph of Lihellula quadrimaeulata . . 



27. — Anal appendages of Soinatoehlora metalliea (male inragu) 



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