POLIA.— DIPTERYGIA. 235 



Eors wing with faint traces of antemedial, postmedial, and sub- 

 marginal lines and orbicular and reniform marks. 



Hah. Kashmir {Thompson). Exp. 46 millim. Type in coll. 

 Leech. 



Sect. III. (Hyada). Antenna3 of male bipectinate. 



*1799. Polia? grisea, Moore, Lep. Atk. p. 130, pi. 4, fig. 26 ; C. $ S. 

 no. 1978. 



3 . Ochreous grey. Fore wing irrorated with brown ; a straight 

 subbasal brown line ; sinuous antemedial, two medial, and one post- 

 medial line, the last forked towards costa ; orbicular and reniform 

 whitish, the latter indistinct; a series of broad dentate marginal 

 marks. Hind wing ochreous brown. 



Hal. Sikhiin, 15,000 feet. Exp. 36 millim. 



Genus DIPTERYGIA. 



Dipterygia, Steph. Brit. Ent., Haust. ii, p. 167 (1829). 



Type, D. scabriuscula, Linn., from Europe. 



Range. Nearctic and Palsearctic regions ; Himalayas ; Nagas ; 

 Nilgiris ; Ceylon. 



Eyes naked and without lashes ; proboscis fully formed ; palpi 

 upturned, reaching above vertex of head, the second joint with long 

 hair below ; antennae minutely ciliated in male. Thorax with a 

 long furrowed crest behind the collar ; abdomen with dorsal tufts 

 on proximal segments ; tibiae without spines. 



1800. Dipterygia nocturna, Hmpsn. III. Het. viii, p. 78, pi. 145, fig. 19. 

 Dipterygia indica, Moore, P. Z. S. 1867, p. 51 (prseocc.) j C. fy S. 



no. 2041. 



Head ochreous white, variegated with brown and black scales ; 

 thorax black-brown, the crest brown ; abdomen dark fuscous. Eore 

 wing black-brown, the stigmata barely traceable ; faint traces of a 

 postmedial curved and waved line with two white subapical specks 

 beyond it, and a large whitish fuscous-suffused patch on inner 

 margin from it to outer angle, with a small patch on outer margin 

 above the larger one ; traces of a submarginal series of white specks. 

 Hind wing dark fuscous ; the cilia whitish. 



Hob. Sikhim ; Nilgiris. Exp. 38 millim. 



1801. Dipterygia cristifera, Hmpsn. III. Het. ix, p. 94, pi. 162, fig. 7. 

 Differs from nocturna in being slightly paler. Fore wing with 



the stigmata more prominent and pale-ringed ; a pale fascia with a 

 black dash above it on inner margin ; the patch at outer angle more 

 suffused with brown and much shorter and broader, the postmedial 



