( 203 ) 



Underside uniform bluish white, with the fringes dark ; costa of forewing 

 yellow. 



Face and palpi above, thorax, patagia, and base of dorsum with the crests, all 

 smoky blackish ; palpi and face beneath whitish ; vertex and shaft of antennae 

 snow-white ; the pectinations and apex yellow ; collar and shoulders green ; anal 

 segments and underside of abdomen, the legs, and pectus white. 



Expanse of wings : c? 42 mm.; ? 48 mm. 



1 <? from La Oroya, R. Inambari, Peru, 3100 ft., September 1904, dry season 

 (Ockenden) type ; 1 ? , Tinguri, Carabaya, Peru, 3400 ft., August 1904, dry season 

 (Ockenden). 



A large edition of II. congener Warr. from Rio Demerara. 



42. Hydata brunneopicta spec. nov. 



Forewing: yellow-green; the markings deep olive-brown; the costa fulvous 

 brown ; a black-brown blotch at base, reaching to one-fourth of inner margin, but 

 hardly extending above median vein; a small diffuse dark spot in cell, and an 

 ear-shaped brown dark-edged cell-spot at the end ; two fine wavy lines reversely 

 lunulate, the first antemediau, nearly vertical, the other postniedian and outcurved 

 above, the reversed lunules closely approximated on snbmedian fold ; a dark brown 

 snbmarginal baud ending in a wide triangular costal blotch of the same colour, 

 containing a small spot of pale ground-colour before apex ; a marginal brownish 

 shade ; fringe green, with dark brown spot at apex. 



Hindwing : occupied by three broad olive-brown bands with darker edges, 

 leaving only narrow spaces of ground-colour : viz. a spot at base ; an antemediau 

 band, reaching inner margin and broader above median vein, where it is crossed 

 by the dark inner edge of median band ; a curved and dentate postmediau band, 

 preceded by the black dentate outer edge of the median band ; and a slight sub- 

 marginal space in upper half of wing ; fringe green shaded with brown, and with 

 a blackish spot at end of vein 6 which runs out into a tooth. 



Underside pale dull yellowish green ; forewing with brown marks at base 

 and middle of costa and with the subapical triangle and snbmarginal band : 

 hindwing with straight central line and curved snbmarginal shade. 



Head, thorax, and abdomen olive-brown, the last somewhat paler ; lower part 

 of face, palpi beneath, and fillet greenish. 



Expanse of wings : 22 mm. 



1 c? from R. Huacamayo, Carabaya, Peru, 3100 ft., June 1904, dry season 

 (Ockenden). 



Hindwing shaped as in transdnctaria H. S., but with a prominent tooth at 

 vein 6. 



43. Hydata latifasciata spec. nov. 



Forewing : pale hyaline green; a small patch at base of inner margin, and a 

 broad snbmarginal band dull blackish green ; between veins 3 and 4 this band 

 runs to margin, and between 6 and 7 projects towards it without touching it ; 

 costa whitish ochreous ; fringe whitish, darker between veins 3 and 4 ; traces 

 across middle of two curved grey lines. 



Hindwing : wholly blackish green except a narrow marginal space before the 

 whitish fringe ; traces of a darker median fascia with pale edges. 



