176 LEPIDOPTERA INDICA. 



Chakactees of the Group Akgynnina. 



Imago. — Forewings elongately triangular, or triangular ; apex obtuse or rounded ; 

 exterior margin more or less slightly scalloped, or even. Hindwings short, broad, 

 obovate, in some subquadrate ; exterior margin more or less slightly or prominently 

 scalloped, in some with a more or less prominent broad caudate angle at end of the 

 upper median veinlet. 



Larva. — Head hairy, either armed with two vertical branched-spines, or, not 

 armed. Body armed with from six to nine longitudinal rows of branched-spines. 



Pctpa. — More or less constricted at the waist ; thorax arched ; wing-cases ample 

 and prominent ; either with dorsal conical tubercles, which, in some are slender, in 

 others the anterior and the posterior dorsal pair are abnormally long, enlarged and 

 broadly expanded at the base ; head very obtusely or moi'e or less acutely bifid. 



Egg. — "Sugar-loaf shaped" (Scudder). "As high as wide or higher; ribs 

 rather numerous, heavy, blunt, anastomosing, projecting at apex, with numerous 

 distinct cross lines " (Doherty). 



Genus CETHOSIA. 



Cetliosia, Fabiicius, Illiger's Mag. vi. p. 280 (1807). Latreille, Consid. Gen. p. 440 (1810). 

 Doubleday, Gen. I). Lep. i. p. 150 (1848). Crotch, Cist. Ent. i. p. 65 (1872). Moore, Lep. of 

 Ceylon, i. p. 51 (1881). Distant, Ehop. Malayana, p. 170 (1882). Semper, Reisen Phil. Lep. 

 p. 100 (1881). lie Niccville, Butt, of India, ii. p. 31 (1886). 



Alazonia, Hubuer, Verz. bek. Schmett. p. 46 (1816). 



Eu'jramma, Billberg, Enum. Ins. p. 78 (1820). 



Imago. — Male. Foreiriug subtriangular ; costa arched, apes convex, exterior 

 margin oblique, sinuous ; costal vein extending to two-thirds the margin ; first 

 subcostal branch emitted immediately before end of the cell, second branch at one- 

 fourth beyond the end, third branch at one-half, fourth and fifth at nearly two-thirds 

 beyond the cell; upper discocellular extremely short, bent inward contiguou;? to 

 subcostal, second discocellular deeply concave and inwardly-oblique, lower disco- 

 cellular long and slightly concave ; cell broad, truncate at the end ; two upper median 

 veinlets from lower end of the cell, the upper being much arched from the base, 

 lower median at more than one-third before its end ; submedian vein recurved. 

 Hindiving short and broad ; exterior margin convex, deeply sinuous ; costal vein 

 extending to the apex ; precostal spur curved outward and emitted at some distance 

 beyond base of subcostal ; first subcostal branch emitted at one-fourth before end 

 of the cell ; discocellulars curved obliquely outward, lower very slender, radial from 

 their middle ; two upper median branches from lower end of cell, lower median 

 from opposite base of second subcostal ; submedian vein straight, internal vein 

 recurved at its base. Uudij moderately stout ; palpi ascending, finely pilose, second 



