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lae^ Jour7i., Bom. Nat. Hist. Soc., Vol. XV 111, No. 1. [Nor. 12, 1907' 



sometimes in both sexes, is found in a proportion of the Indian species of 

 most genera in this family, and appears to hare little value as a test of affinity; 

 I shall therefore treat it as affording specific characters only, and refer all 

 those species described under Platypeplus to Eucosma. 

 Eucosma iograpta, n. sp. 



^ 9. 13-15 mm. Head and thorax ferruginous-ochrcous, thorax sometimes 

 ! mixed with dark grey. Palpi porrectcd, ferruginous-ochreous mixed with 

 dark grey, towards base beneath ochreous-whitish. Abdomen dark grey. 

 Posterior legs without tufts, Forewinga elongate, posteriorly dilated, costa 

 gently arched, apex obtuse, termen almost straight, hardly oblique ; ferrugi- 

 nous-ochreous ; costa obscurely strigulated with blackish and grey-whitish ; a 

 rather oblique rounded-triangular deep ferruginous blotch ob dorsum at ^, 

 reaching half across wing ; central fascia deep ferruginous, sometimes mixed 

 with black, becoming broad dorsally, posterior edge with thi'ee irregular acute 

 projections, preceded and followed by rather broad purplish-leaden grey 

 fascia?, each consisting of several subconfluent striga3 ; apical area deep ferrugi- 

 nous somewhat mixed with blackish, including several small purplish-leadeu 

 marks beneath costa and an oblique striga : ciHa dark purplish-grey irrorated 

 with whitish points, with a blackish-grey subbasal Hue mixed with deep 

 ferruginous. Hindwings rather dark fuscous, darker posteriorly ; cilia grey, 

 with darker subbasal line, 

 Khasi Hills, in June and July ; twelve specimens. 

 Eucusma rhodantha , n. sp. 

 -^-^ ^. 20 mm. Head and palpi yellow-ochreous. Thorax pale ochreous,. 



(-4 ' yellower anteriorly. Abdomen grey. Posterior tibia)' clothed with dense 



^ projecting scales above. Forewings elongate, posteriorly dilated, costa gently 



arched, apex obtuse, termen nearly straight, hardly oblique ; bright crimson- 

 X rose, costa faintly darker-strigulated ; a greenish-ochreous basal patch, deep 



^^ yellow in middle of base, and with a small ochreous-brown dorsal mark near 



base, outer edge rather irregular, running from before ^ of costa to beyond 

 ^^ middle of dorsum ; a small ochreous apical spot, edgetl below by a triangular 



white mark ; c'lli^ crimson-rose, with a whitish-ochreous apical patch extend- 

 ing to near middle of termen, Hindwings rather dark grey, darker pos- 

 teriorly ; cilia grey, round apex whitish-grey, witli dark grey subbasal line. 

 Khasi Hills, in September ; one specimen. 

 y / Eucosma mniocldora, n. »p. 



^1 ^ ? • 22-23 mm. Head, palpi, and thorax rather deep green, thoracic 



V^ crest large, bifid. Abdomen rather dark grey. Posterior legs without tufts. 



r^l Forewings elongate, rather narrow, costa gently arched, apex obtuse, termen 



»s| sinuate, hardly oblique ; rather deep green, somewhat mixed with whitish on 



"~~^ margin of dark markings ; markings dark bronzy-fuscous, somewhat mixed 



with deep green, and finely edged with black ; costal edge ochreous-whitish, 



with scattered dark fuscous dots ; an irregular transverse spot on costa at \, 



and a longitudin;;l npwards-angulated mark in disc beneath it ; two small spots 



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