310 Mr. F. Walker on undescribetl Species of Homoptera. 



points; costa and exterior border with transverse irregular hyaline 

 marks. Length of the body 4 lines ; of the wings 10 lines. 

 Siam. 



Genus Flatoides, Gue'rin. 



Flatoides designata. Mas. Nigra, laevis, nitens, subtus fulva ; alae 

 anticae lata?, apice rotundatae, costa basi dilatata convexa, extus albo 

 binotata, gutta discali rotiuida maculisque dentatis apud marginem 

 interiorem albis. 



Male. Black, smooth, shining, tawny beneath. Fore wings broad, 

 rounded at the tips ; costa dilated and convex towards the base ; ex- 

 terior border oblique ; a white spot and a white dot on the exterior 

 part of the costa, both elongated ; a small round white dot in the disk ; 

 a row of irregular dentate white spots along the interior border. 

 Length of the body 4 lines ; of the wings 14 lines. 



Siam. 



Flatoides discigtjtta. Fcem. Nigra, laevis, nitens ; frons transversa, 

 tricarinata ; pedes pallide testacei ; ala3 anticae lata?, apice rotundatae, 

 costa margineque exteriore subconvexis, gutta discali rotunda alba. 



Female. Black, smooth, shining. Front transverse, with three 

 slight keels. Eyes white. Legs pale testaceous. Fore wings broad, 

 very shining, rounded at the tips ; costa and exterior border slightly 

 convex, the latter oblique ; a round white dot in the middle of the disk. 

 Length of the body 3 lines ; of the wings 9 lines. 



Key Island, New Guinea. 



Flatoides ntvisignata. Fcem. Piceo-nigra, subtus fulva; frons trans- 

 versa, tricarinata, submarginata ; alas anticae lata?, apice rotundatae, 

 fasciis tribus incompletis margineque exteriore chalybeis, gutta costali 

 subapicali maculaque discali albis, lineola interiore punctulari albida. 



Female. Piceous black, tawny beneath. Front transverse, with 

 three slight ridges and a slight rim. Fore wings broad, rounded at the 

 tips, with three incomplete chalybeous bands ; costa convex, with a 

 white subapical dot, and with a row of whitish points from the base 

 to the middle, where there is a white spot ; exterior border chaly- 

 beous, slightly convex. Length of the body 2 lines ; of the wings 

 6 lines. 



Siam. 



Flatoides puncticosta. Fcem. Nigra ; frons transversa, submarginata, 

 sulco tenui transverso ; pedes ex parte fulvi ; alae anticae luteae, apice 

 rotundatae, fasciis indeterminatis margineque exteriore chalybeis, costa 

 albo bipunctata. 



Female. Black, closely allied to the preceding species. Front trans- 

 verse, flat, with a slight rim and a slight transverse furrow. Legs 

 partly tawny. Fore wings broad, rounded at the tips, with some 

 irregular chalybeous bands ; costa convex, with two white points, one 



