490 On undescrihed Species of Cicudidse. 



as long as broad, upper vein to lower ulnar area and lower 

 vein to radial area fused for about a space equal to two-thirds 

 the length of basal cell. 



Long., excl. tegm., $ 18 mm. ; exp. tegm. 50 mm. 



Hab. N.W. Australia, Cue (H. W. Brown, type in Brit. 

 Mus.). 



Melampsalta sancta, sp. n. 



Head black, margins and centre of front, a lateral spot to 

 vertex, and a spot between the ocelli ochraceous ; pronotum 

 brownish ochraceous, fissures black, a central longitudinal 

 fascia and the posterior margin ochraceous ; mesonotum 

 brownish ochraceous, with six black spots, the two central 

 obconical and fused, on each side of these a small triangular 

 spot and a long fasciate spot near each lateral margin, a 

 small round black spot in front of each anteiior angle of the 

 cruciform elevation ; abdomen above black, the posterior 

 margins of the segments broadly ochraceous; body beneath 

 and legs ochraceous, central area of face and the ridges, 

 cheeks, and a longitudinal line to femora black ; vertex 

 longer than front, sulcate between ocelli ; face longitudinally 

 sulcate for two-thirds its length, transverse ridges fine but. 

 distinct ; rostrum reaching the intermediate coxse ; tegmina 

 and wings hyaline, venation ochraceous or black, extreme 

 bases of both ochraceous ; tegmina about two and a half 

 times as long as broad, upper vein to lower ulnar area and 

 lower vein to radial area fused for a space about half the 

 length of basal cell. 



Long., excl. tegm., ? 16 mm. ; exp. tegm. 45 mm. 



Nab. N.W. Australia, Cue (//. W. Brown, type in Brit. 

 Mus.). 



Kobonga froggatti, sp. n. 

 Head black, ocelli red, base of front with three small 

 ochraceous spots, vertex with a small ochraceous spot between 

 the ocelli ; pronotum castaneous, the anterior margin (nar- 

 rowly), the posterior margin (broadly), and a central narrow 

 longitudinal fascia bright ochraceous, the lateral margins, 

 subanterior and subposterior margins, and margins of the 

 central pale fascia black ; mesonotum castaneous, four 

 obconical spots (the two central shortest and the lateral spots 

 very long), and the area of the basal cruciform elevation 

 black ; metasternal margins ochraceous ; abdomen above 

 black, posterior segmental margins ochraceous ; body beneath 

 black, broad lateral margins to face, coxse and trochanters 

 (more or less), femora beneath, two longitudinal fasciae, and 

 margins of anal appendage ochraceous ; tegmina and wings 

 hyaline, tegmina with the venation and costal membrane 



