OF MERGUI AND ITS ARCHIPELAGO. 



47 



inner edge of this portion is also less outwardly oblique ; the 

 band on bind wing is of similar width. Underside with very 

 prominent reddish markings, the discocellular marks broader and 

 triangularly-dentate ; the discal sinuations on the hind wing 

 diffused, especially the upper portions ; the fore wing also has a 

 very prominent red, rather broad, subapical patch. Female. 

 Differs also from this sex of T. rnerguiana in the shape of the 

 lower portion of the band on the fore wing, the band on the 

 hind wing being somewhat narrower and more definitely dentated. 

 Underside with all the markings as in above-described male. 

 Expanse, S 2 lya to l-njinch. 



Hah. Mergui (Dec.) ; Timiki and Thaing, King Island (Feb.) ; 

 Elphinstone Island (March). 



Teeias merguiana, n. sp. (Plate IV. fig. 7, <S .) 



Male. Upperside bright yellow, of a slight sulphurescent 

 tint ; fore wing with the marginal band somewhat narrower than 

 in T. contubernalis, the portion below the sinus being about half 

 the width of the same part in that species, and its inner edge is 

 inclined acutely outward; hind wing with a narrow marginal 

 band. Underside with delicately defined markings, similar to 

 those in T. liecabeoides. Female. Pale sulphur-yellow ; band on 

 fore wing broader than in male, the lower portion being also in- 

 clined acutely outward as in male ; the band on hind wing paler 

 and dentated. Underside with the discocellular marks some- 

 what broader than in male, and with a more or less defined sub- 

 apical patch on the fore wing. 



Expanse, <$ § to 1 T 8 ^ inch. 



Hah. Mergui (Nov. and Dec.) ; Zediwon (Dec.) ; Kisseraing 

 Island (Dec.) ; Elphinstone Island (Jan. and March) ; Sullivan 

 Island (Jan.). 



Terias Ajsdersonii, n. sp. (Plate IV. fig. 8, S .) 



Male. Upperside bright deep sulphur-yellow ; costal border 

 from the edge to the costal vein entirely black ; the marginal 

 band broad, with the middle sinus inclined obliquely outward 

 and upward, the upper edge of the band concave and angled at 

 base of the third subcostal, the lower portion of band narrow, its 

 upper angle very acute, its inner edge inclined obliquely out- 

 ward ; hind wing with a rather broad prominent black marginal 

 band. Underside with the usual brown markings prominent, 

 the discocellular marks cornucopoid in shape; the fore wing 

 having a more or less defined subapical patch, and the speckled 



