218 LEPIDOPTERA INDIGA. 



fuscescent ; markings moi'e prominent ; the discal line on forewing complete, more 

 sinuous and diffused anteriorly, tlie marginal band somewhat broader, and the inner 

 submarginal sinuous line well-defined ; on the hindwing the inner submargiual line 

 is also well-defined. Underside as in male. 

 Expanse, S '^\o to 2n,> ? '^\b inches. 



Dry-season form (Plate 367, fig. 2, b, c, (^ ? ). 



Male. Upperside somewhat paler than in wet-season form, with all the 

 markings less defined. Underside similar to wet-season form. Female. Upperside 

 with the ground-colour and markings as in male, except that the outer border of 

 forewing is blacker, and the marginal lines on hindwing more distinct. Underside 

 similar to male. 



Expanse, c? 2, ? 2^q inches. 



Habitat. — Upper and Lower Tenasserim. 



Distribution. — " Confined to Upper Tenasserim. Dr. J. Anderson took sevei"al 

 specimens in the Mergui Archipelago in the cold weather. Captain C. T. Bingham 

 obtained numerous specimens in the Thoungjeen forests and the Donat Range from 

 December to April " (de Niceville, I.e. 113). ^Mr, O. Limborg took it on the journey 

 from " Moulmein to Meetan ; at Taoo, 3000 to 5000 feet elevation, in March, and at 

 Moolai 3000 to 6000 feet" (Moore, P. Z. S. 1878, 827). 



CIRROCHROA THAIS. 



Papilio Thais, Fabricius, Mant. Ins. p. 6-t (1787) ; Id. Ent. Syst. iii. i. p. 149 (1793). 



Clrrochroa Thais, Butler, Catal. Fabr. Lep. B. M. p. 116 (1869). Moore, P. Z. S. 1872, p. 557. de 



NicL-ville, Butt, of ludia, ii. p. 117 (1886). Davidson and Aitken, Journ. Bombay 2fat. Hist. 



Sec. 1890, p. 273, larva a.-aA pupa. 

 Argynnis Thea, Godart, Enc. Mdth. ix. p. 260 (1819). 



Cirrochroa Swinhoei, Butler, Proc. Zool. Soc. Lond. 1881, p. 604, ? . de Niceville, Butt, of India, ii. 

 p. 118 (1886). Hampson, Journ. As. Soc. Bengal, 1S88, 353. 



Wet-season form (Plate 36S, fig. 1, la, b, c, c? ? )• 



Imago. — Male. Upperside rich bright fulvous, somewhat deepest basally. 

 Forewing with a slender dusky-lined discocellular streak, a transverse discal more 

 or less prominent black sinuous interrupted line, its anterior portions from upper 

 median dilated and bent inward ; two submarginal sinuous lines, the inner dilating 

 broadly inward to the costa, the outer partly merged into the black of outer border. 

 Hindwing crossed by a more or less jiromiueut black inner-discal slender broken line, 

 anteriorly bordered by an outer costal quadrate white patch, followed by a medial 



