110 LEPIDOPTEBA INBICA. 



andei'soni from Kisseraing Island, Mergui Archipelago, and libna from Borneo represent 

 one and the same species. 



Genus PORITIA. 



Poritia, Moore, Proc. Zool. Soc. 1865, p. 775. Hewitson, 111. Diurn. Lep. p. 21.3 (1878). Distant, 

 Ehop. Malayana, p. 197 (1881). de Niceville, Butt, of India, iii. p. 37 (1890). Bingham, Fauna 

 of Brit. India, Butt. ii. p. 457 (1907). 



Eyes naked. Forewing, vein 12 long, ending on costa considerably beyond end of 

 cell, 11 emitted at one-third before upper end of cell, and at once runs into 12, with 

 which it entirely anastomoses to its end, 10 from near end of cell, just beyond the 

 origin of 11, 9 very short, from 7 about two-thirds beyond the cell, 8 absent; 5, 6 and 

 7 closely approximate at base ; upper discocellular short, one-third the length of the 

 lower, straight ; vein 3 emitted some distance before lower end of cell ; wings short 

 and broad, costa concave at its middle, outer margin straight, slightly oblique (convex 

 in the female), hinder margin nearly as long as the costa ; the male has a large, 

 somewhat quadrate shining patch of differently formed and large scales on the 

 underside, from the hinder margin to the median uervure near the base of the wing. 

 Ilindicing with a patch of scales of the same shape on the upperside, from the sub- 

 costal nervure to the costa ; the basal area of the abdominal margin from the sub- 

 median nervure to the margin is also furnished with a patch of similar scales ; there is 

 also a tuft or pencil of long hairs from near the base of the sub-median nervure lying 

 alona: the abdominal margin : wins; convex near the base, concave in the middle, outer 

 margin and anal angle rounded and scalloped ; vein 8 strongly arched near its base 

 and very short ; upper discocellular straight, outwardly oblique and much shorter 

 than the lower ; vein 3 from just before lower end of cell. Antennae slender at the 

 base, club moderate; palpi long, third joint slender, one-third as long as the second; 

 thorax stout, abdomen extending to two-thirds the length of the hindwing. 



Type, P. hewitsoni, Moore. 



PORITIA HEWITSONI. 

 Plate 665, figs. 2, ^ , 2a, ? , 2b, <J . • 



Poritia hewitsoni, Moore, Proc. Zool. Soc. 1865, p. 775, pi. 41, fig. 10, $ . Hewitson, 111. Diurn. 



Lep. p. 214, pi. 88, fig. 1, $ (1878). Doherty, Journ. As. Soc. Bengal, 1886, p. 429. 



Staudinger, E.x. Schmett. p. 275, pi. 95, <J (1888). de Niceville, Butt, of India, iii. p. 39 



(1890). Watson, Journ. Bo. Nat. Hist. Soc. 1891, p. 43, and 1897, p. 658. Swinhoe, Trans. 



Ent. Soc. 1893, p. 292. Bingham, Fauna of Brit. India, Butt. ii. p. 460, pi. 19, figs. 144, <J , 



145, 9 (1907). 

 Poritia hewitsoni, var. tavoyann, Doherty, Journ. As. Soc. Bengal, 1889, p. 429. 



Imago. — Male. Upperside brilliant blue, very deep in colour, and almost emerald- 

 green in some lights. Forewing with a black costal border which widens outwardly, 



