(24) 



r)5. Gelasma siiblustris sp. nov. 



Forewings : dull olive-green, with a strong bluish sheeu ; costa yellow ; the 

 lines dull pearl-white ; first from one-fifth of costa to one-fourth of inner margin, 

 faintly curved; second from below two-thirds of costa to three-fonrths of inner 

 margin, regularly crenulate ; cell-spot also dull whitish, with darker green edge; 

 fringe glossy grey, with no marginal line. 



Ilindtcings : the same, without basal line. 



Underside paler, blue-grey ; fringe grey ; costa of forewings yellow. Face and 

 palpi brown-black ; verte.x and shaft of antennae white, the pectinations forrngiuous ; 

 thorax and collar olive-green ; abdomen ochreous. 



Expanse of wings : 37 mm. 



One c? from Kon Island, July 1897 (Doherty). 



Altliongh from tlie same locality as Gelasma (CZ/ri/soc/iloromc) electriea, 

 described in Xov. Zool. III. p. 363, I cannot think that it is an aberration of tliat 

 remarkable species. They both differ from f'knjsochloroma in having four spurs 

 to the hindtibiae in the cJ. 



5(i. Gelasma unicolor sp. nov. 



Forewings : uniform jjale olive-green, witli a slight iridescent sheen in certain 

 lights ; traces of deeper green lines at one-third and two-thirds, the latter lunnlate, 

 and more strongly marked on the veins ; fringe paler green. 



Hiiu/wings : the same ; both lines angled in the middle. 



Underside paler, glossy, without markings. Head, thorax, nnd abdomen 

 concolorous ; vertex and antennae white. 



Expanse of wings : 32 mm. 



One ? from S. Floras, November 1896, dry season (Everett). 



.57. Hemistola simplex s]). nov. 



Forewings : pale green ; the costa narrowly yellowisli, and marked with slight 

 pnrple-grey s])ecks ; no lines or cell-sj)ot expressed ; the outer line indicated by a 

 red spot on inner margin at two-thirds ; marginal line bright red, interrupted by 

 pale spots at the vein-ends, which are followed by red dashes in the concolorous 

 fringe ; the marginal line is continued round the ajjex for a short distance along costa. 



Hindwings : the same. 



Underside whitish green. Face and palpi pale brownish ; vertex white, tliorax 

 and abdomen pale green, the latter with an iiitorrujitcd red dorsal stripe. 



Expanse of wings : 35 mm. 



One c? from the Xorth Mountains, Formosa, July 1896, 1500—3000 feet 

 (Jonas). 



58. Hydata (?) dubia sji. nov. 



Forewings : dull mealy green, with the liindmargin and fringe paler, yellowish- 

 tinged, an obscure jiale space beyond cell curving to inner margin. 



Hindwings : deeper green. 



Underside dull greyish green ; central space of forewings paler. Head, thorax, 

 and abdomen greenish ; vertex white, jialjii ochreous with lilack apex. 



Exjianse of wings : 19 mm. 



