( •'^27 ) 



c?. Praecoxal sceiit-oi'gau vestigial. Sexual armature uot very dift'ereut in 

 the various species, that of aureus beiug the best characterised (in both sexes). 

 Tenth tergite simple, long, slender, slightly curved; sternite shorter, broader, 

 somewhat boat-shaped, with the apex always sinuate (PI. XLIV. f. 23. 24). Claspor 

 large, sole-shaped, witli three or four rows of large friction-scales ; harpe 

 (PI. XLVIlI.f. 22—27) dilated at end, the dilated i)art armed with spine-like teeth 

 which are directed upwards. Penis-sheath with a dentate lobe at left side, 

 continuous with a slender, acute process at right side (PI. LV. f. 19 — 26). 



?. Vaginal plate (PI. XLl. f. 8—10) suddenly narrowed distally ; orifice 

 transverse, postmedian, sometimes covered by a biloliate ridge. Eighth tergite 

 de('{)ly sinuate, separate from sternite. 



Larva tapering in front ; head small, horn acute, curved anad ; a white, 

 lateral, subdorsal stripe from head to horn, yellow and indistinct on four or 

 five anterior segments ; below stigmata a yellowish oblique band on segments 

 5 to 9 or lU ; thorax with ventro-lateral line which ends in a patch on fourth 

 segment. — Food-plants : Cissus ; Nerium. 



Pupa with two frontal tubercles, tongue-case somewhat enlarged ventrally. 



llab. Oriental Region : from Japan to Ceylon, eastward to New Guinea 

 and Australia. 



Seven sj)ecies, some of which are easily confounded, if not carefully examined, 

 the genus being very uniform in structure and pattern. 



Key to the species : 



a. Grey submarginal line or band of forewing, 



above, straight, extending to SM^ . . 446. A. nac/a. 

 Grey submarginal line or band of forewing, 



above, curved, ending at W or a little beyond . b. 



h. Pore- and hindwing distinctly dentate . . . c. 



Fore- and hindwing not dentate . . . . d. 



c. First discal line of forewing straight from R'^ 



to SM-, heavy ...... 440. A. seviceus. 



First discal line of forewing thin, interrupted . 447. A. omssa. 



d. Hindwing below nearly all ferruginous tawny 



or vinaceons, ground-colour of upperside of 



forewing tawny cinnamon to chestnut-brown . e. 



Hindwing below much shaded with olive-grey, 

 ground-colour of npperside of forewing grey- 

 ish olive f. 



('. Underside ochraceous clay-colour, brown distal 

 border of hindwing indistinct ; or underside 

 more or less vinaceous, with pinkish grey 

 submarginal scaling on the forewing . 



Underside of wings ferruginous tawny on disc, 

 distal marginal brown border broad and 

 heavy, pale submarginal scaling of forewing 

 almost wliite ...... 



'. Lobe 8(J'' of forewing as prominent as lobe SCI' 



Lobe SO' of forewing less prominent than lobe 



SC* ........ 45U. ^1. Socrates. 



444. A. aneeus. 



44b. .4. caslanea. 

 449. ..1. misfdni. 



