70 RUOPALOCFAIA MALAY AN A. 



Genus AMATHUSIA. 



AiiMthiisia, Fabricius, Illiger's Mag. vi. p. 279 (1807) ; Westw., Gen. Dinru. Lep. p. 32G (1850). 

 Mitocerus, Billb., I'^iuini. Ins. p. 79 (1820) ; Sciidd. Proc. Am. Acad. Arts & Be. x. p. 220 (1875). 



Anterior wings subtriangular, the costal margin strongly arched, the apex not acute and very slightly 

 rounded. Fii-st subcostal nervule emitted before end of cell at three-fourths of its length, remaining 

 subcostal uervules emitted close together on apical fourth of wing. Upper disco-cellular nervule shortly, 

 obliquely, and outwardly directed at base, and suberect along its greater length; lower disco-cellular 

 suberect and slightly concave at base and then directed obliquely outwards for its greatest length. Discoidal 

 nervules well separated at their origin. Fii-st median nervule with its base directed obliquely upwards in a 

 line with the median nervure, and then abruptly deiiexed to outer margin. Posterior wings subtriangular ; 

 costal margin arched ; outer margin rounded and scalloped ; anal angle produced into a broad, spatulate, 

 tail-like prolongation between the apices of the third median nervule and the submedian nervure. Discoidal 

 cell partly closed by an atroi)hied and curved disco-cellular nervule. In male specimens these wings possess 

 two tufts of hair, probably concealing scent- secretory glands or pouches, the first in the neighbom'hood of 

 the submedian nervure, and the second and smaller tuft between that nervure and the third median nervule. 

 The terminal joints of the abdomen are also furnished with tufts of hair. 



This geuus is of moderate extent, including some eight or nine species. It has a somewhat 

 restricted area, which extends from Continental India to a httle beyond the Indo-Malayan 

 region. At present but one species is known as inhabiting the Malay Peninsula, 



1. Amathusia phidippus. (Tab. VI., fig. 6 j , 7 j .) 



Papilio Phidijijius, Linnajus, Syst. Nat. i. 2, p. 752, u. S7 (1707) ; Job. Aracen. Acad. vi. p. 402, n. 52 (1764); 



Fabr. Syst. Eut. p. 455, u. 52 (1775); 8p. Ins. p. 21, u. 85 (1781); Mant. Ins. p. 11, n. 97 (1787); 



Eut. Syst. iii. p. 71, u. 220 (1793) ; Cram. Pap. Ex. i. t. 09, A, B (1779). 

 Morjilio Phidi/ijiKs, Godt. Euc. Meth. ix. p. 439, n. 2 (1823). 

 Amathusia Phidippm, Doubl. Hew. Gen. Diuru. Lep. t. 64:-, f. 2 (1850) ; Horsf. & Moore, Cat. Lep. Mus. E. I. C. 



p. 209, u. 428 (1857) ; Butl. Cat. Fabr. Lep. p. 45, n. 2 (1809) ; Trans. Linn. Soc. ser. 2, Zool. vol. i. 



p. 538, n. 1 (1877) ; Druce, Proc. Zool. Soc. 1873, p. 840, n. 1 ; ibid. 1874, p. 104, u. 1 ; Moore, Proc. 



Zool. Soc. 1877, p. 583; ibid. 1878, p. 820; Godm. & Salv. Proc. Zool. Soc. 1878, p. 638, n. 13; 



Snellen, Tijd. Eut. xix. p. 147, u. 21 (1870); ibid. xx. p. 66 (1877); ibid. xxi. p. 11, u. 42 (1878). 



Male. Wings above dark fuliginous-brown. Anterior wings with the costal and outer margins 

 somewhat paler, and with a distinctly paler submarginal fascia. Posterior wings with the outer margin 

 paler and with a distinctly paler submarginal fascia, the marginal fringe ochraceous and the anal-angular 

 caudate prolongation somewhat paler, with two sublunate black spots, outwardly margined with white ; 

 these spots are placed near the apices of the third median nervule and submedian nervure. Winws 

 beneath greyish, crossed by numerous fuscous fasciae of varying width and hue ; the first commences 

 near costal base of anterior wings, and is continued on posterior wings, narrowing and becoming somewhat 

 evanescent a little beyond the middle of submedian nervure ; the second crosses the cells of both wings 

 about their centres, and terminates on inner side of third median nervule at about half its length ; the third 

 is short, crossing cell, but not passing median nervule of anterior wings ; the fourth is pale, with its margins 

 darker, waved, and deflexed beneath the third fascia on anterior wing, passing a little beyond the second 

 on posterior wing, and becoming confluent and terminating with that fascia beneath the median nervure : 

 the fifth is wide and darkest, crossing both wings at cellular apices, and terminating a little beneath second 

 median nervule; the sixth is widest, somewhat paler, with darker margins, outwardly sinuate- and placed a 

 little beyond the fifth ; this sixth fascia is followed by three narrow fascise, which terminate on the abdomina. 



