BY F. W. GODING AND W. \V. FROGGATT. 613 



and costal area tawn}^ the latter bordered with fuscous; venation 

 ferruginous; postcostal marginal space percurrently quite broad, 

 and somewhat opaque. Wings vitreous; venation yellow, central 

 vein of anal area fuscous. Abdomen lono^er than the united length 

 of head and thorax, fuscous, hind borders of segments yellow 

 which widen towards yellow tip, where sides are largely yellow. 

 Body below j^ellow; chest variegated with black; abdomen with 

 a median fuscous stripe which reaches middle; opercula rather 

 long, broad, inner edges contiguous, pale yellow. Legs yellow, 

 front tibise and tarsi, and streaks on femora, fuscous. Long. 

 Corp. 11-14 mm.; exp. teg. 25-30 mm. 



Hab. — Adelaide, South Australia (Walker). 



Genus G ^e a n a, Am. et Serv. 



1843. Hemip. p. 463. 



1866. Stal, Hemip. Afric. iv. p. 4. 



Head broader than front of pronotum, front strongly swollen 

 forward, destitute of a longitudinal sulcus; ocelli double the 

 distance from the eyes as from each other, distant from base. 

 Pronotum convex, not laterally expanded, front angles directed 

 below eyes. Tegmina opaque, coloured, basal area broad, not 

 more than twice longer than broad; ulnar veins distant at base; 

 interior ulnar area broadened towards apex; costa and radial 

 vein distant; eight apical areas. Wings opaque, coloured, with 

 six apical areas. Yront femora spined below. 



Type, Tettigonia macidata, Fabr. 



■^G^ana maculata, Drury. (Plate xviii., figs, 4, 4«, 46.) 



1773. Cicada id., Drury, Ins. ii. p. 69, pi. 37, fig. 1. 



1790. Cicada id., Oliv., Enc. Meth. v. p. 750, pi. 112, fig. 2. 



1808. Tettigonia id,, Syst. Rhyng. p. 37. 



1834. Cicada id.. Germ., Silb. Rev. Ent. ii. p. 74. 



1840. Cicada id., Blanch., Hist. Nat. Ins. iii., Hemip. p. 165, 



pi. 10, fig. 3. 

 1843. Gceana id., Am. et Serv., Hemip., p. 464. 

 1850. Gceana consors, White, Proc. Zool. Soc. p. 



