COLLECTED AT SARAWAK. 169 



Female. Body stout. Proboscis' distinct. Palpi rather slender, rising 

 higher than the vertex; 2ud joint slightly curved; 3rd linear, much 

 shorter than the 2nd. Abdomen not extending beyond the hind 

 wings. Legs stout ; tibife fringed ; hind tibiae with four spurs of 

 nioderate length. Wings moderately broad. Fore wings rectangular 

 at the tips ; costa straight ; exterior border slightly convex and 

 oblique. 



3/4. Maxilua FRONTALIS, n. s. F(£m. Cinerea, subtus obscure fusca, 

 capite thoraceque antico pallida ochraceis, fronte palpisque obscure 

 fuscis, alls anticis purpureo teneoque nitentibus, lineis tribus fuscis 

 indistinctis subundulatis, alis posticis cupreo-fuscis. 



Female. Cinereous, dark brown beneath. Head and fore part of the 

 thorax pale ochraceous ; front and palpi dark brown. Wings beneath 

 with one exterior brown Ime. Fore wings with purple and aeneous 

 reflexions, and with three brown indistinct slightly undulating lines ; 

 2nd line accompanied by a darker brown dot ; marginal points black. 

 Hind wings cupreous brown ; under side with a brown discal dot 

 Length of the body 6 lines; of the wings 14 lines. 



Gen. Thaco>'^, n. g. 



Mas. Corpus vix robustum. Proboscis conspicua. Palpi breves, va- 

 lidi, oblique ascendentes ; articulus 2"^ arcuatus, latus ; 3"* brevissimus. 

 AntenncB longae, subserratse, pubescentes. Abdomen cylindricum, lon- 

 gissimum. Pedes longiusculi, sat graciles ; tibiae antica; breves ; 

 tibiae posticae calcaribus duobus apicalibus, uno longissimo ; tarsi pos- 

 tici longissimi. Alee anticse longse, angustse, apice rotundatse ; posticae 

 amplae. 

 Male. Body hardly stovit. Proboscis distinct. Palpi short, stout, ob- 

 liquely ascending, applied to the head ; 2ud joint curved, broad ; 3rd 

 extremely short and minute. Antennae long, minutely serrated, very 

 pubescent. Abdomen cylindrical, very long, extending far beyond the 

 hind wings; apical tuft divergent. Legs rather long and slender; 

 fore tibiae short ; hind tibiae with two apical spurs, one of which is 

 very short ; tarsi long ; hind tarsi very long. Wings long. Fore 

 wings narrow, rounded at the tips; costa straight; exterior border 

 convex, moderately oblique. Hind wings ample. 

 This is a very aberrant genus, and does not accord well with the charac- 

 ters of any of the families of the Noctuites. 



375. Thacona costivitta, n. s. Mas. Albida, capite thoraceque an- 

 tico ferrugineis, abdomine absque posticis fusco-cinereis aeneo tinctis, 

 alis anticis vitta costali ferruginea nigro notata postice dilatata et ma- 

 culam albidam includente. 



Male. Head and fore part of the thorax ferruginous. Thorax whitish 

 hindward. Abdomen and hind wings brownish cinereous, with an 

 aeneous tinge. Underside of the body and of the wings cinereous 



