LEPIDOPTERA HETEROCERA. 131 



Genus 83. SILDA. 



Fcem. Corpus robustum. Proboscis conspicua. Palpi ob- 

 lique ascendentes, verticem uon attingentes ; articulus 2us arcuatus ; 

 3us couicus, parvus. Antennae subpubescentes. Pedes breves, va- 

 lidi ; tibiae posticae calcaribus longissimis. Alae anticae breviusculae, 

 latiusculae, vix falcatae, margine exteriore subangulato ; posticae an- 

 gulo subapicali. 



Female. Body stout. Proboscis distinct. Palpi obliquely 

 ascendiug, not rising so bigb as the vertex ; second joint curved ; 

 third conical, not more than one-fourth of the length of the second. 

 Antennae minutely pubescent. Abdomen elongate-conical, not ex- 

 tending beyond the hind wings. Legs short, stout, smooth ; hind 

 tibiae with very long spurs. Wings short, rather broad ; fringe long, 

 full. Fore win^s hardly falcate ; exterior border forming a rounded 

 angle beyond the middle, very oblique hind ward. Hind wings with 

 the exterior border forming a rounded subapical angle. 



1. SlLDA TRUNCATALIS. 



Mas. Cinereo-cervina ; a/a fasciis duabus rufesceiitibus, 2a la~ 

 tiore magis determinata costam versus retracta, gutta discali 

 nigra, lineis quatuor e punctis nigris, fimbria saturate rufa 

 cinereo interlineata. 



Female. Cinereous fawn-colour. Wings with two reddish 

 bands, of which the second is broader and more distinct than the 

 first, and is abruptly retracted towards the costa of the fore wings ; 

 four lines of black points; third or submarginal line more distinct 

 than the others ; cliscal dot black, small ; fringe deep red, inter- 

 lined with cinereous. Fore wings with black costal points. Length 

 of the body 4 lines ; of the wings 10 lines. 



Sarawak, Borneo. In Mr. Saunders* collection. 



Genus 84. MIROBRIGA. 



Fcem. Corpus gracile. Proboscis conspicua. Palpi porrecti, 

 caput superantes ; articulus 3us lanceolatus. Antennae graciles. 

 Abdomen alas posticas superans ; oviductus exseitus. Pedes bre- 

 viusculi, sat validi ; tibiae posticae calcaribus quatuor longissimis. 

 Alae anticse elongate, acutae, margine exteriore antico inciso. 



Female. Body slender. Proboscis distinct. Palpi porrect, 

 extending beyond the head, shorter than the breadth of the latter ; 



