148 LEPIDOPTEBA IN DIG A. 



crimson ; abdomen above olivescent-brown, almost black at the base, with yellow 

 segmental bands in the male. Abdomen beueatb yellow, with a slightly apparent 

 Lateral row of black spots in the male, and two distinct rows in the female. 



Expanse, c? 6 to Gh, ? Cj to 6f inches. 



Habitat. — Andaman Isles. 



Distribution. — Obtained by the late Mr. F. de Roepstorflf at Port Blair, 

 S. Audamaus. It has also been taken on Little Brother Island. 



ORNITHOPTEEA -ffiACUS (Plate 422, f5g. 1, la, (J ? ). 



Orniihoptera JSaem, Felder, Wien. Entom. Monats. iv. p. 225, ? (1860) ; id. Verh. Z. B. Ges. Wien. 



1864, p. 291. 

 Troides ^aeus, Rotliscliild, Nov. Zool. ii. p. 223, J ? (1895). 

 Ti aides {Pompcoptera) iEacus, de Niceville, Jouni. Bombaj' N. H. S. 1898, p. 591). 

 Ornitlioptera Bhadamanihus, Boisduval (iiec Lucas), Spec. Gen. Lep. i. p. ISO, $ (1836). Doubleday 



and Hewitson, Gen. D. Lep. i. p. 4 (1846). Moore, Catal. Lep. Mus. E. I. C. i. p. 80 (1857) ; id. 



Proc. Zool. Soo. 1865, p. 755. Druce, P. Z. S. 1874, p. 108. Distant, Rhop. Malay, p. 326, 



pi. 27a, fig. 5 (J, p. 327, fig. 106, ? (1885). Elwes and de Niccville, Journ. As. Soc. Bengal, 



1886, p. 438. Wood-Mason and de Niceville, id. 1886, p. 373. Elwes, Trans. Ent. Soc. Lond. 



1888, p. 422. Manders, Tr. Ent. Soc. 1890, p. 535. Watson, Journ. As. Soc. Beng. 1891, p. 53. 



Swinhoe, Tr. Ent. Soc. 1893, p. 311. Leech, Butt, of China, ii. p. 513 (1893). de Niceville, 



Sikkim Gazetteer, 1894, p. 170. 

 OrnHlwptera lihadamantlius, var. Tliomsoni, Bates, in Thomson's Straits of Malacca, p. 546, (^ 



(1875). 



Imago. — Male. Upperside. Foreiving rich black ; outer veins bordered with 

 sullied-gi'ey scaled streaks, which are most distinct from below the base of lower 

 median, where they are slightly yellowish, and thence decrease anteriorly ; similar 

 streaks also slightly apparent within end of the cell. Cilia alternated with white. 

 Hindwinrj rich golden-yellow ; base and anterior border to the costal vein, a 

 marginal narrow band of conical marks, and the abdominal border black, the three 

 subanal cones being inwardly broadly bordered with blackish powdered scales, and 

 very rarely, a small black inner spot is present in the lower median interspace; 

 abdominal fringe brown ; cilia black ; veins slenderly black. Underside. ForeiciiKj 

 paler black, with the pale bluish-grey streaks more distinctly defined, and the lower 

 yellowish-scaled. Hindidnij as above, except that the abdominal margin is brown, 

 and the black scaled bordering to the subanal cones are visible by semi-transparency 

 in some lights. 



Female. Upperside. Forewing deep brownish-black or dull black, the sullied 

 grey streaks bordering the outer veins, very prominent and broad all along the 



