390 EXOTIC MICROLEPIDOPIERA. 



infuscated angular projection posteriorly ; a curved irregular fascia 

 from middle of costa to dorsum before tornus, costal extremity very 

 narrow ; some faint suffusion along dorsum ; a rather narrow ter- 

 miual fascia, separated from preceding fascia by a line of wbite 

 groundcolour, before wbich there is some ochreous suffusion on 

 costa ; more or less undefined pale ochreous suffusion in disc ; 

 second discal stigma dark fuscous ; a dark fuscous mark on dorsum 

 at I ; a dark fuscous costal dot above it : cilia white. Hindwings 

 whitish, tinged with grey posteriorly ; costal margin expanded 

 from base to |, with rough projecting whitish hairscalcs suffused 

 with grey towards their base, and with a long subcostal pencil of 

 yellow-whitish hairs lyiug beneath forewings ; cilia white, tinged 

 with grey towards base on lower half of termen. 



British Guiana, Bartica, iu January and February (Fiunsli); 

 two specimens. 



Antaeotricha corvigera, n. sp. 



J . 19 mm. Head white. Palpi white, second joint externally 

 grey except towards apex, extreme base and apex of terminal joint 

 grey. Antennal ciliationa 1|. Thorax white, with a central patch 

 of grey suffusion. Abdomen whitish-ochreous. Forewings elon- 

 gate, costa moderately arched, apex rounded, termen rounded, 

 vertical ; white ; an irregular dark fuscous streak from base of 

 costa to disc at -^, its apex forming an angulated hook above and a 

 sharp projection beneath ; a small dark fuscous mark on costa 

 before ^ ; an oblique curved dark fuscous mark on end of cell ; a 

 more or less interrupted fuscous and dark fuscous line from middle 

 of costa to I of dorsum excurved behind this ; a small dark fuscous 

 spot on costa near ajiex ; sometimes two series of faint pale greyish 

 spots towards termen ; a series of dark fuscous marks round 

 posterior half of costa, termen, and tornus : cilia white, on costa 

 ochreous-tinged. Hindwings ochreous- whitish ; costal margin ex- 

 panded from base to |, with long rough projecting hairscales, 

 whitish above and dark grey beneath, and also with projection of 

 scales at ^, so as to appear excavated between these, and with long 

 subcostal pencil of pale oehreous-yellowish hairs lyiug beneath 

 forewings ; apical margin marked interruptedly with dark fuscous ; 

 cilia white, with dark fuscous costal patch above apex. 



British Guiana, Mallali, in March (Parish) ; Peru, Contamano, 

 E. TJcuyali, in December (Moimseij) ; two specimens. 



Antaeotricha deltopis, n. sp, 



cj . 17-20 mm. Head and thorax white. Palpi white, second 

 joint with a grey external stripe on basal |, terminal joint some- 

 times greyish internally. Antennal ciliations 1^. Abdomen 

 ochreous-white, ventral surface dark fuscous except towards apex. 

 Forewings elongate, costa moderately arched, apex rounded, termen 

 rounded, slightly oblique ; white, on dorsal half faintly grey-tinged ; 

 a dark fuscous oblique mark on base of costa, and another at i ; a 



