408 KOCTUID^. 



irrorated with chocolate-red scales ; a white spot at base of costa ; 

 antemedial line chocolate-red, interrupted in cell, diffused on outer 

 side and defined on inner side by a -white band, inwardly oblique, 

 waved ; orbicular and reniforra chocolate-red defined by white 

 except above, the former round, the latter lunulate ; postmedial 

 line chocolate-red defined on outer side by a white band, oblique 

 from below costa to vein H. excurved below veins 4 and 3, then 

 retracted to below end of cell and sinuous to inner margin ; sub- 

 terminal line represented by a bar from costa, then a lunulate line; 

 the lunules touching termen ; a fine black terminal line; cilia 

 chequered fuscous and white. Hind Aving very pale yellow with 

 traces of a blackish postmedial line obliquely excurved from costa 

 to vein 2 ; cilia white with a few black scales at base ; the under- 

 side with the costal edge black except at base, the postmedial line 

 more distiiict, with a bar from costa and slightly waved between 

 veins 4 and l2. 



Hah. S.E. Peru, Agualani (Ockenden), 2 (S . Exjy. 50 miUim. 



Sf.CT. II. AntenntB of male bipectinate with moderate branches, the apex 

 serrate, of female serrate. 



A. Hind wing with white patch in, below, and beyond cell. 



a. Hind wing with the veins on the white patch not streaked 



with black leucodisca. 



h. Hind wing with the veins on tlie white patch streaked with 



black mtimmia. 



B. Hind wing without white patch leucotelus. 



AiiT2. Erccha leucodisca, u. sp. (Plate CXLY. fig. 32.) 



<3 . Head and thorax chocolate-brown mixed with white hair ; 

 pectus mostly white ; abdomen brown mixed with some Avhite, the 

 5th segment w ith orange band, the ventral surface with the five 

 basal segments yellow, the basal segment with lateral tufts of long 

 brownish ochreous hair. Fore wing chocolate-brown, the area 

 from costa to submedian fold suffused with sap-green to the post- 

 medial line except at base of costal area, the median nervure and 

 veins arising from it streaked w'ith white to the postmedial line, a 

 large diffused white patch beyond the cell from costa to vein 3, 

 with irregular outer edge; subbasal line lepresentcd by a slight 

 white striga from below costa, the antemedial line by a slight 

 double excurved line filled in with greenish from above vein 1 to 

 inner margin ; the orbicular re] rej^euted by a slight brown mark 

 with white point below it, t) e reniform by some greenish points 

 on its out,er edge in the interspaces ; postmedial line represented 

 by double dark spots on costa and a double sinuous line filled in 

 with greenish from submedian fold to inner margin ; a rather 

 diffused chocolate-brown line arising from costa just beyond the 

 postmedial line, excurved from below costa to vein 2, then bent 

 inwards in submedian fold to the antemedial line ; a whitish 

 sutterminal line bent outwards below costa, then obliquely curved 



