480 THE LEPIDOPTERA OF CEYLON. 



liindwing with similar, curved, denticulated lines. Cilia browuisli-cinereous. Fore- 

 legs with dark brown bands. 

 Expanse to inch. 



Ceylon. 



Genus CALLUGA. 



Male. Forewing triangular; costa with a protuberance in front near the base, 

 exterior margin oblique, even; cell about half the length; costal vein recur^^ed 

 upward ; subcostal bent somewhat downward at two-fifths from the end of the cell ; 

 first subcostal from the angle, curving sharply downward and shghtly touching the 

 second at half its length ; second from end of cell, trifid ; fifth also from end of 

 cell ; discocellular slender, inwardly-oblique, slightly concave, radial from the middle ; 

 the middle median very close to end of cell, lower at about one-third ; submedian 

 much recurved : hindwing short, exterior margin convex, sinuous ; cell half the 

 length, broad ; subcostal joined to costal from near base to near end of cell ; two 

 subcostals from end of cell ; discocellular slender, radial from the middle ; two 

 upper medians from end of the cell, lower at one-third. Body slender, anal tuft 

 cleft; front pointed; palpi porrect, extending beyond the front, squamous, apex 

 short, blunt ; antenniB rather thick, flattened, shaft above rough ; legs slender ; 

 fore tibia tufted ; middle tibia with a pair of slender spurs, the outer very short ; hind 

 tibia slender, with one pair of spurs, the outer very long, inner extremely short. 



Alhed to Phrissogonus (Butler, Ann. N. H. ix. p. 94 (1882). 



CALLUGA COSTALIS (Plate 206, Fig. I, S)- 



Whitish. ochreous. Forewing with the costa convexly produced before the 

 middle ; crossed by a curved basal and antemedial, and an angulated postmedial 

 dark purplish-brown line, followed by an interrupted attenuated submarginal fascia ; 

 the upper interspace between the antemedial and discal line clouded with purplish- 

 lirown : hindwing with similnr lines, and outer fascia. Cilia with a brownish inner 

 line. Legs with brown bands. 



Expanse A inch. 



Genus IRAMBA. 



Allied to CalluQ'a. 



Male. Forewing triangular ; costa not produced in front ; cell half the length ; 

 first subcostal at two-fifths before end of cell, curved downward and joined to second 

 for some distance along its middle ; second trifid : hindwing short, exterior margin 

 convex, even. Palpi narrow, obliquely-porrect ; antennae slender, setaceous ; fore 

 tibia slightly tufted, middle and hind tibi« thick, both with a short thick dilated 

 tuft at the end, apical spurs slender, outer spur short. 



Tyjjc, I. tibialis. 



