( 202 ) 



Tlic iliHiMTiiccs ill the genital armature between the Indian and Malayan males 

 are so very marked, tliat one cannot tail noticing them when dissecting a specimen. 

 Judging from these organs alone one might be induced to treat the specimens as 

 belonging to at least two sfiecies. On examining, however, a series from Borneo 

 and Java we find tliat the differences are less obvious in some specimens than in 

 others, and we believe that the material from Malacca, Tenasserim and Burma will 

 show intergradations between the armature of the Indian and Ceylonese and the 

 Malayan malea. For the present, the Indian and Ceylonese races stand quite apart 

 from the others. Tlieir characters are partly very strange ; for both subspecies 

 share the broadly spoon-sliaped ventro-distal process of the harpe and the more 

 proximal ])Osition of the (middle part of the) submarginal line of the forewing witii 

 another species of North India (litiirata), a similarity in these compatriots which is 

 surely not mimetic resemblance. 



II. (>. siibistriijiUs aurijjeiuuti. 



'Aiiihiihjx aiirijieinus Moore, Prui: Zont. Sw. /.niid. p. 388 (187'!) (Ceylon ; -Mus. Dublin) ; \d.,Lrp 

 Cojioii ii. p. 11. t. 79. f. 1 (J), la (/). lb Qy) (1882) ; Cot. & Swinh., GH. M„lh^ Iml. i. p. 24. 

 D. 128 (1887) (Ceylon) ; Kirby, Cat. Lep. Met. i. p. 07ii. d. 10 (1892) (Ceylon). 



Ambiily.r, substHyil/.'i, HampsoD, in Blanf., Fmoki, Brit. Ind., Jlotli-i i. p. 77. n. 103 (1892) (partim) : 

 id., ntiintr. Tijp. ;s>ei;/». Lep. Hct. B. M. ix. p. 2. n. 29 (1893) (Kandy). 



S. Body below deeper yellow than in North Indian substrigills. Markings 

 of wings less heavy ; submarginal black line of foreiving vestigial above, absent 



below ; long scales of fringe of hindwing white. Process pm of harpe shorter 



and slenderer than iu snbstr. s>tbstri(jilis (PI. XXXII. f. 2) ; process of penis-sbeatli 

 stouter. 



? . Not known. 



Early stages see above. 



Ilab. Ceylon. 



Type in the Dublin Museum. A second S iu the British Museum. 



b. 0. siibstrigilis substrigilis (PI. VIII. f 2, c?) 



*Sj)hinx {AmhuUj.r) suUtrUfiUs Westwood, / ,-. (1848) (Silhet ;— Mus. Brit.). 



Ambti!ii.c siibstrigilis, AValker, Li-I I.q,. Inx. B. M. viii. p. 122. n. 3 (18.56) (Silhel) : Moore, Pror. 



Zool. Snc. Loud. p. 793 (1865) (Bengal); id., /.<;. p. 676 (1867) (partim ■, = maculifera ex errore I !); 



Boisd., Spec. Gen. Lep. Het. i. p. 188. D. 11 (1875) (partim); Butl., Trans. Z'mI. Soc. Loud. Lx. 



p. 579. n. 3 (1877) ; Kirby, Cit. Lep. Het. i. p. 675. n. 15 (1892) ; Hamps. in Blanf., Fwi„a, Brit. 



Ind., Moths i. p. 77. n. 103 (1892) (partim) ; Rothsch., Xov. Zool. i. p 87 (1894) fpartim) . 



Dudg., Jotirn. Bombay N. H. Soc. xi. p. 408. n. 102 (1898) (partim). 

 Ambulijx philemon Boisduval, Cuiisid. Lep. Guatemala p. 68 (1870). 

 (?) AmhuhjK siibstrigilis, Moore, Proc. Zool. Soc. Loud. p. 344 (1878) (Taoo, 3500 ft.) ; Swuib., Trans. 



Ent. Sac. Land. p. 164. n. 18 (1890) (Taoo). 



c? ? . A small form ; resembling 0. littirata very much, as the basal patch of 

 the hindwing is often pale tawny and not consiiicnous. S more grey on the fore- 

 wing than in liturata and the Malayan forms oi subsfriyiliis. agreeing in tiiis respect 

 better with sericnipennis. The basal i)atch of the hindwing less sharply detined in 

 either sex, and generally less black than in the Malayan races, the submarginal line 

 more arched, farther away from the margins at R- both above and below, the 

 line sharply marked and deep in tint below. 



i. The distal process of the harpe very broad, spoon-shaped, shorter than 

 in liturata, markedly different from the pointed process of the Malayan forms 



