1885.] E. T. Atkinson— ^o^es on Indian Rhyncliota. 155 



ecarinate : second joint of antennsD transverse, produced upwards from 

 tlie insertion. Thorax nnicarinate in the middle, roundly produced at 

 the apex behind the vertex : scutellum about half longer than the tho- 

 rax. Tegmina barely amplified towards the apex, rounded at the apex, 

 costal margin straight, longitudinal veins rarely furcate, small transverse 

 veins remotely scattered throughout the entire tegmina : wings remotely 

 transversely veined behind the middle. Feet simple, last tibiae 4-spinose 

 with their base neither spinose nor tuberculated (Stdl). Allied to 

 A^pJiana, 



47. Gebenna Sylvia, Stal. 



Gehenna Sylvia,^Sta,l, Trans. Ent. Soc. (3 ser.) i, p. 582 (1863). 

 Palely grey-flavescent ; frons, vertex and disc of thorax and scutel- 

 lum minutely irrorated black ; thorax and scutellum on both sides sprin- 

 kled with small black spots : tegmina weakly rufe scent-ferruginous from 

 the base beyond the middle, remotely sprinkled black, costal limbus 

 palely olivaceous- virescent ; apical part vitreous, sprinkled and spotted 

 fusco*as ; wings vitreous, palely virescent towards the base, adorned with 

 three irregular, large, subconfLuent, black-fuscous spots, before the mid- 

 dle : dorsum of abdomen, black ; segments margined olivaceous at the 

 apex ; abdomen adorned with four longitudinal rows of irregular grey- 

 flavescent spots ; ventral segments on both sides, spotted black, inter- 

 ruptedly banded black at the base : feet with numerous black bands 

 {Stdl). ?, long, 13 ; exp. teg. 39 millims. 



Reported from India. Vertex almost thrice as broad as the transverse 

 eye, margins somewhat elevated : frons remotely and finely rugulose, 

 slightly narrowed upwards : thorax less distinctly rugulose : scutellum 

 finely rugulose on the disc. 



Genus POLTDICTTA, Guerin. 

 Icon. E^gne Anim. Texte Ins. p. 359 (1830-34) j Stal, Hem, Afrio. iv. p. 135 

 (1866). 



Vertex about four times as broad as the eyes : entire tegmina dense- 

 ly or very densely reticulated : anterior tibiee sometimes somewhat dila- 

 ted : frons obtusely rounded at the base, amplified at the apex and 

 distincly broader than the clypeus, tegmina thrice or more than thrice 

 longer than broad (Stdl). 



48. PoLTDiCTYA BASALIS, Guerin. 



Polydictya hasalis, Guerin, Icon. Eegne Anim. Texte, Ins. p. 359 (1830-34) ; 

 Walker, List. Hom. B. M. ii, p. 289 (1851) j J. L. S. Zool. x, p. 98 (1867). 



AphcBna uniformis, Walker, J. L. S. Zool. i, p. 144 (1857). 



Eurybrachys hasalis, Hope, Trans. Linn. Soc. xix, p. 134, t. 12, f. 6 (1845) ; Stal, 

 Ofvers. K. V.-A. Forh. p. 500 (1862). 



