( 444 ) 



Expanse of wings : 30 mm. 



One ? from Cliiriqui, Panama. 



This ? is very much like the cJ oi stibcoeiulea described below, and though 

 without the basal silver)- white streak in the forewings, might be referred to it ; 

 but there are decided structural differences. Thougli both have the cell of forewings 

 longer than usual, the discocellular in subcoeruled is oblii)ue throughout, in appro-ri- 

 mans vertical above ; veins 5 and 6 are j)erfectly straight in the ftjrmer, much 

 curved and inclined downwards in the latter ; the hindmargin of both wings in 

 approximana is more oblique and indented below middle, while in subcoerulea 

 it is evenly curved throughout. 



28. Tithraustes quinquepunctata sp. uov. 



Forewings : dull smoky blackish ; a short white streak broadening outwards 

 between median vein and submedian fold, ending Iielow origin of vein 2 ; a large 

 transverse oblong white blotch beyond discocellular : and three submarginal white 

 spots on veins 2, 5 and 6 ; fringe concolorous with ground colour. 



Ilindwings : white; the costal aud inner margins narrowly, the hindmargin 

 very broadly smoky blackish ; a slight dark mark on discocellular. 



Underside like upper. Head, thorax, and abdomen smoky black, the abdomen 

 more cinereous ; base of patagia bright orange ; abdomen white beneath. 



Expanse of wings : 40 mm. 



One c? from Uhiriqui, Panama. 



29. Tithraustes seminigrata sp. nov. 



Forewings : deep black, with similar white markings to those of quinqiie- 

 piinctata described above, but tlie basal streak extending to half the length of wing ; 

 the discocellular blotch much larger aud more oblique, the submarginal spots larger, 

 the lowest one between veins 2 and 3 instead of being on vein 2. 



Hindicings : with the space above the median vein hyaline, the whole inner 

 margin broadly black, the hindmargin to apex less broadly, and the costa narrowly 

 black. 



Underside like ujjjier. Head, thorax, and abdomen blackish ; base of patagia 

 orange ; face black with the sides white ; palpi black and white. 



Expanse of wings : 34 mm. 



One S from Chiriqui, Panama. 



Distinguished from T. (jiiinqncpmictata by tlie black, not brown-black, ground 

 colour, and the more hyaline white markings. 



30. Tithraustes subcoerulea sp. nov. 



^Forewings: deep brown-black; a silvery white streak from base below 

 median vein, broadening outwards and rounded at the end, reacliing to two-fifths 

 of wing ; a narrow oblique oval blotch, hyaline silvery, beyond the discocellular. 



Ilindwings : with the central space hyaline white; the base snffusedly, the 

 costa narrowly, and the ajiex to vein 4 more broadly black ; the whole inner aud 

 hindmargin nearly to the median vein very broadly black. 



Underside of forewings like upperside ; in the hindwings the costal and inner- 

 marginal areas on each side of the hyaline central space are covered with bluish 



