14" MK. R. J. TILLYARD : LIFE-HISTORIES AND 



Genus 2. Austro^eschna (continued). 



12 a. Aiistroceschna parvistigma parvistigma, Selys. 



12 h. Austrocesclma parvistigma Jlavomaculata, n. subsp. 



13. Austroasclina midtipunctata, Martin. 



14. Austrocesclina atrata, Martin. 



15. Austrocesclina anacantha, Tillyard (^ = aspersa, Martin). 



16. Austrocesclina victoria, Martin. 



17. Austrocesclina tasmanica, n. sp. 



III. EcTOGENic Group. Tribe JEiScsnini. 



A. ^scHNA Series. 



Genus 1. iEscHNA, Fabr. 



18. jEschna brevistyla, Ramb. 



B. Anax Series. 



Genus 1. Anax, Leach. 



19. Ana^v guttatus, Burm. 



20. Anax gibbosidus, Ramb. 



21. Anax p)CLpuensis, Burm. 



C. Gtnacantsa Series. 



Genus 1. Gynacantha, Ramb. 



22. Gipiacantlia rosenhergi, Brauer. 



23. Gynacantlia mocsaryi, ForsLer. 



24. Gynacantha dolirni, Kriiger. 



Genus 2. Austrogynacantha, Tillyard. 



25. Austrogynacantlia lieterogena, Tillyard. 



Genus 3. Heli^schna, Selys. 



26. Heliwsclina simplicia, Karscb. 



I. PAL^OGENIC GROUP. 



Tribe Petaliini. 

 Austropetalia, n. g. 



Triangles very close to wing-base short, two-celled, followed by two post- 

 trio-onal sets of cells in all four wings ; basal side very close up to level of 

 arculus. Subtriangles free, preceded by one cross-vein in submedian space. 

 One cross-vein in hypertrigonal space. M^ undulated. Oblique vein far 



