668 



MONOGEAPH OF THE AUSTRALIAN CICADIDjE, 



Plate xix. 



Fig. 1. — Thopha saccata, Fabr.; tegmina. 



1-8, apical areas; 9, interior ulnar area; 10, exterior ulnar area; 11, first 

 discoidal area; 12, second discoidal area; 13, third discoidal area; 14, radial 

 area; 15, anal area; 16, basal membrane, above which is the basal area; 17, 

 first anastomosis; 18, second anastomosis; 19, postcostal space; 20, exterior 

 ulnar vein; 21, interior ulnar vein; 22, costa. 

 Fig. 2. — Thopha saccata, Fabr.; wing. 



1-6, apical areas; 7, radial area; 8, exterior ulnar area; 9, interior ulnar 

 area; 10, 11, 12, 13 together are the clavus; 13 alone being called the anal 

 area (Walker calls it the flap). 



Fig, S.— Thopha saccata, Fabr,; vertical view of head. 

 Fig. 4. — ,, ,, dorsal view of head. 



Fig. 5. — ,, ,, ventral view of abdomen, showing opercula. 



Fig. 6. — Chlorocysta vitripennis, Westw.; tegmina. 

 Fig. 7. — Venvstria superha, n.sp.; tegmina. 

 Fig. 7a. ,, ,, head and thorax. 



INDEX. 

 (Names in Italics are Synonyms.) 



asBde 



abbreviata 



abdominalis 



alhiflos 



angularis ... 



angusta ... 



annulata ... 



antica 



arche 



arclus 



argentata ... 



atra 



at rata 



atrata 



auratus 



aurora 



australasise 



basalis 

 basijiamma 

 hilinea 

 binotata ... 

 borealis ... 

 burkei 



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[Printed ofi' December 12th, 1904.] 



