148 Col. C. Swinhoe on new Geometers. 



Family EuschemidaB. 



Genus EusCHEMA, Hiibn. 



Euschema scyllea. 



(J . Head, body, and wings yellow ; antennse black ; thorax 

 with indications of two grey spots in front, but without bands. 

 Fore wings with the apical half black, its inner border ex- 

 tending straight from the centre of the costa to the hinder 

 angle, angled inwards in its centre ; the blackish space in- 

 cludes two bluish-white seraihyaline macular bands, the first 

 of four and the second of three spots ; no markings in the 

 internal half of the wing. Hind wings whitish on the costa ; 

 a blackish elongated spot at the end of the cell, and a macular 

 marginal blackish band, the first three spots near the apex 

 large and running into each other, followed by three small 

 spots, the last two curving inwards. Underside as above, 

 except for a spot at end of cell of fore wings, which is slightly 

 visible above through the A\ing. 



Expanse of wings 3^^ inches. 



Type : India. In O.M. 



Allied to E. militaris, but very distinct, having no bands on 

 the thorax and no internal bands on either wing. 



Family Geometridse. 



Genus HEROCiiiiOMA, nov. 



Difiers from the genus Pingasa in the males having simple, 

 not pectinated, antennae as in that genus. 



Herochroma baba. 



S . Wings shaped similarly to H. vindaria, Moore ; colour 

 of a uniform grass-green, somewhat similar to but brighter 

 than in H. subtepens, Walker, xxi. 438, type from Sarawak, 

 but also a common ]ndian insect. Both wings crossed by an 

 outwardly dentated brown discal line, black marginal lunules 

 at the ends of the veins, a row of submarginal white dofcs on 

 the veins, a black spot at end of each cell. Underside with 

 the ground-colour greyish white, smeared with dark ochreous, 

 a large black spot at end of each cell, a broad discal band 

 across both wings, and black marginal lunules. 



Expanse of wings 1x^-2 inches. 



Type : Khasia Hills. In B.M. 



A long series. Allied to B. viridari'a, but of an entirely 

 difterent shade of green colour, and without the bronze tessel- 

 lations with which that insect is covered and without the 

 reddish- brown bands. 



