( .517 ) 



SuBFAMH.v GEOMETRINAE. 

 Chrotochlora gen. nov. 



Foi-eivinq : triaugnlav : all the margins straight, the costa becoming convex 

 before apex only; hindmargin oblicjue. 



nindwinq : with apex and hindmargin ronnded ; anal angle square. 



Abdomen without tufts ; hindtiliiae with four short spurs. 



Nenration : normal, but in hindwing veins 3, 4, and 6, ~ are not (or scarcely) 

 stalked. Frenulum present. 



Although the unique specimen on which the genus rests is a ? and without 

 a head, the scheme of coloration jilaces it entirely outside of any known New 

 World genus. 



Type : Chrotochlora perpulchra spec. nov. 



26. Chrotochlora perpulchra spec. nov. 



Forewinq : deep green ; the cell-spot, a thick oliliijue streak beyond it from 

 vein to middle of inner margin, before which it becomes very faint, and a liroad 

 marginal border deep chocolate-brown ; the inner edge of the border is sliuhtly 

 convex towards base, and at costa runs narrowly along it basewards I'or a short 

 distance ; fringe chocolate. 



Ilimlinnfi : silky white, with a broad greyish chocolate border ; the fringe 

 dark chocolate : a minute cell-dot. 



Underside like upper; costa of forewing at base brown, the outer streak 

 running to costa; hindwing with traces of an interrupted curved olive median Hue ; 

 the white running np ray-like along the veins into the dark border. 



Head wanting; patagia green; thorax and abdomen snuff-brown ; anal half of 

 dorsum black ; second and fourth segments marked with a white ring ; abdomen 

 beneath and legs white ; tarsi and tibiae mottled with brown. 



Expanse of wings : 22 mm. 



1 c? from Huancabamba, Cerro de Pasco, Peru, 0401 ( ft. (Biittger). 



27. Gelasma clemens spec. nov. 



Foreiriiiij : ilull whitish, covered with dense olive-green vermiculatious, and 

 suffnsed with tlie same colour on each side of the inner and outer lines, which are 

 tine and lunnlate-dentate ; the first very obscure at one-third ; the second at four- 

 fifths, siunous ; cell-spot obscure, green ; the hindmargin narrowly green ; fringe 

 jialo, with slightly darker chequering beyond veins. 



Ilimhrijiq : without first line ; a conspicuous dark green cell-spot. 



Underside whitish green, with diffuse olive-green shades beneath the two lines. 



Head, thorax, and abdomen pale greenish. 



Expanse of wings : 22 mm. 



1 ? from R. C'ayapas, N.W. Ecuador (Flemmiug & Miketta). 



The costa of forewiug is slightly marked with pale dots, and has three more 

 conspicuous ochreous spots before apex; but it lacks the puriilish striae which occur 

 in hemithearia Warr., from which it alsu dill'ers in neuratiou : veins '.3, 4 not being 

 long-stalked, nor 6 stalked with T, s, ii in the forcwings. G. albulata Warr. is 

 very much whiter. 



