RHOPALOCERA FROM FORMOSA. 327 



black, clothed with greyish white hairs. 



Uppcrside — fore and hindwings — purplish violet ; costal margin 

 narrowly and apex broadly black diminishing in width along outer margin 

 to outer and anal angles ; in hindwing costal margin more broadly black 

 than in (brewing ; base and disc to inner margin purplish violet, veins 

 black ; abdominal fold greyish ; three tails ; anal tail shortest, middle tail 

 longest ; a small bluish white patch at anal angle enclosing a black spot ; 

 two more bluish white spots in second and third median interspaces ; 

 a submarginal bluish white line from anal angle to third tail at second 

 median nervule ; a black marginal line on all wings ; fringes of wings 

 silvery white, checmered with black at apex of nervules. 



Underside-Forewing. Ash grey tinged with ochreous in centre of 

 disc, whitish grey on inner margin and outer angle ; costal margin from 

 base to apex yellowish marked with numerous, dark, transverse strigae ; 

 minute silver specks along half costal nervure and costal margin from 

 base ; a bifid silver streak at base of cell near median nervure edged above 

 with black ; a second irregularly U-shaped silver spot in centre of and 

 extending above cell edged with black and ochreous internally; under- 

 neath this a square black patch at juncture of third median nervule with 

 median nervure ; a silver streak across apex of cell ; three interrupted 

 irregular bands of silver specks and spots mostly edged with black com- 

 mencing near costa; the first, antemedian, excurved to first median nervule, 

 incurved at second median nervule and ending at third median nervule, 

 the two lowest silver spots broadly edged with black externally ; the 

 second, median, incurved and continued in the first and second median 

 interspaces by black spots instead of silver ; the third, discal, incurved and 

 ending at the second median interspace, composed of larger spots ; then 

 follows an irregular, interrupted band of black spots ending at third 

 median interspace ; a submarginal series of silver spots edged with black 

 ending at third median interspace ; a greyish marginal line. 



Underside-Hindwing. Ash grey tinged with ochreous in centre of 

 disc, paler towards outer margin ; a few silver specks at base ; a subbasal 

 band of silver spots continued along the abdominal margin and reaching 



