BY R. J. TILLYARD. 751 



EXPLANATION OF PLATES. 

 Plate xxi. 

 Fig. 1. — Austrophya mystica, n.sp., $ (natural size). 

 Fig. 2. — Hemkordulia intermedia Selys, J 1 (natural size). 

 Fig. 3. — ,, ,, appendages of J 1 , seen from above. 



Fig. 4. — ,, ,, ,, ,, seen sideways. 



Fig. 5. — Pseudocordulia circularU, n.sp., appendages of $ , seen from above. 

 Fig. 6. — ,, ,, ■ „ ,, ,, seen sideways. 



Fig. 7. — A ustrocordidia refracta, n.sp., ,, ? , seen from above. 



Fig. 8. — ,, ,, ,, ,, ,, seen sideways. 



Fig. 9. — Macromia Tillyardi Martin ,, ,, seen from above. 



Fig. 10. — ,, ,, ,, ,, ,, seen sideways. 



Fig.ll. — Synthemis claviculata, n.sp. ,, ,, seen from above. 



Fig.12. — ,, ,, ,, ,, ,, seen sideways. 



Fig. 13. — Synthemis OH ret, n.sp. ,, ,, seen from above. 



Fig. 14. — ,,,,,, ,, ,, seen sideways. 



Plate xxii. 

 Fig.l. — Pseudocordidia circidaris, n.sp., J 1 (natural size). 

 Fig.2. — Austrocordulia refracta , n.sp., £ ,, 



Fig.3. — Macromia Tillyardi Martin, £ ,, 



Fig.4. — Synthemis Olivei, n.sp., $ ,, 



Fig. 5.— Synthemis claviculata, n.sp., $ ,, 



