310 Mr. F. Walker on undescrihed 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 Flatoibes, Guerin. 



Flatoides designata. Mas. Nigra, Isevis, nitens, subtus fiilva ; alse 

 anticse latse, apice rotundatse, costa basi dilatata convexa, extus albo 

 binotata, gutta discali rotunda maculisque dentatis apud marginem 

 interiorem albis, 



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

 roimded 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 discigutta. Fcem. Nigra, Isevis, nitens ; fi'ons ti'ansversa, 

 tricarinata ; pedes pallide testacei ; alee anticae latse, apice rotimdatee, 

 costa margineque exteriore subconvexis, gutta discali rotunda alba. 



Fe7)iale. Black, smooth, shining. Front transverse, with three 

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

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

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

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



Key Island, New Guinea. 



Flatoides nivisignata. 2^ce?n. Piceo-nigra, subtus fulva ; frons trans- 

 versa, tricarinata, submarginata ; alse anticfe latas, apice rotundatae, 

 fasciis tribus incompletis margineque exteriore chalybeis, gutta costali 

 subapicali maculaque discali albis, lineola interiore punctidari albida. 



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

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

 tips, vdth 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. Foem. Nigra ; frons transversa, submarginata, 

 sulco tenui transverso ; pedes ex parte fidvi ; alse anticae lutese, apice 

 rotundatse, fasciis indeterminatis margineque exteriore chalybeis, costa 

 albo bipimctata. 



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 

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



