LEPIDOPTERA HETEROCERA. 885 



Like Var. f3. Thorax ferruginous-brown. Wings rather dark 

 brown, with a blackish band. 



j. Van Dieman's Land. Presented by Morton Allport, Esq. 

 k. New South Wales. From Mr. Stevens' collection. 



Genus 60. NISAGA. 



Mas, Corpus sat gracile. Caput et thorax pilosa. Proboscis 

 brevissima. Palpi porrecti, pilosi, obtusi, caput vix superantes ; 

 articulus 2us lo multo longior ; 3us brevissimus. Antennae latissime 

 pectinatae. Abdomen lanceolatum, pubescens, alas posticas non 

 superans. Pedes sat graciles ; tibiae posticae calcaribus duobus lon- 

 gis apicalibus. Alae latae. 



Male. Body rather slender. Head and thorax pilose. Pro- 

 boscis veiy short. Palpi porrect, pilose, obtuse, hardly extending 

 beyond the head ; second joint much longer than the first; third 

 very short. Antennae most deeply pectinated, about half the leugth 

 of the body. Abdomen lanceolate, pubescent, extending as far as 

 the hind wings. Legs rather slender, hind tibiae with two long api- 

 cal spurs. Wings broad. Fore wings hardly convex along the 

 costa, rounded at the tips ; exterior border very slightly oblique ; 

 three inferior veins ; second nearly twice further from the third than 

 from the first. 



1. NlSAGA SIMPLEX. 



Mas. Cervina, subtus testacea ; antenna? ramis fuseis ; ala> 

 testacea?, nitentes, antica? vittis tribus diffusis atomariis fer- 

 rugineis. 



Var. /3. Ala? antica vittis nullis. 



Male. Fawn-colour, mostly testaceous beneath. Antennae 

 with brown branches. Wings testaceous, shining ; under side with 

 darker veins. Fore wings partly covered with ferruginous flecks ; 

 these form three stripes, which are abbreviated towards the tip ; the 

 fore stripe and the middle one are diffuse and indistinctly ramose. 

 Length of the body 7 — 8 lines ; of the wings 16 — 18 lines. 



a, 6. Silhet. From Mr. Argent's collection. 



Var. /3. Fore wings without ferruginous flecks. 

 c — e. North India. From Mr. Stevens' collection. 



PART IV. L 



