38 



subcval, basally extending" l^eyond the apical margin of the ver- 

 tex ; antennal ridges straight, entire, nearly as wide as frons. 

 Vertex and pronotum transversely striate. Ocelli on a line with 

 the insertion of the antennae and the base of the frons, not touch- 

 ing the latter. 



I. osbonii, sp. nov. 



Whitish-testaceous, very finely mottled with brown, spotted 

 Vv'ith dark fuscous, a large suffused fuscous inverted arrow on an- 

 terior part of pronotum. Tegmina irregularly mottled and spot- 

 ted with fuscous. T'^ore and middle legs blackish-brown, ob- 

 scurely spotted with pallid ; hind legs fuscous, obscurely marked 

 with darkish. 



Length (female) 8^4 mill. 



Hab. Queensland, Brisbane (June P), Kuranda (July P), 



Oncof>sis. 



Oiicopsis Burmeister 1838 Gen. Ins. I, P>ythoscopus, 3rd page. 

 =rBytlioscopiis auctt. 



I. balli, sp. nov. 



15right yellow, closely ])uncturo(l with brown on hea'cl and 

 pronotum. There is a laevigate horse-shoe mark on the face 

 near the clypeus, bro»ken at the base, and there are 2 smooth 

 j.Mts nearer the base of the face. There is also a small smooth 

 area on the pronotum on each side anteriorly, and the striation 

 is fine and somewhat reticulate. The scutellrm is punctured 

 closely only on the disk. Apical margins of clypeus and genae, 

 marks on legs, sterna, &c., blackish. Tegmina cinereous hyaline, 

 a blackish smudge near the base, veins strong, yellQwish brown, 

 sonietimes blackened. 



The head is not visible dorsally, except close to the pronn'nent 

 eyes, nor is the anterior margin of the pronotum visil)le. 



Length 5 mill. 



Hab. Queensland, Bundal)erg (Sept. -Dec. K.). 



I have great pleasure in naming the last two species after F'ro- 

 fessors Osborn and Ball , whose work, conjointly or separate, on 

 the Homoptera, especially the genera DcUoccphahis, Agallia, 

 Sec, forms a model for future research. 



