New and liftlc knotvn sj^ccics of DrcimnulidiV, etc. 501 



medial line, three hyaline patches bej'ond lower angle of cell, a dark- 

 edged ochreous postmedial line, a dentate ochreous submarginal line ; 

 the female greyer than the male in coloration. 

 Expanse of wings 1 inch. 



Hah. PULO Laut {Dolierty). 



GOGANA PLACIDA, nov. 



9 . Of a uniform pinkish-grey, frons brown, pectus white, both 

 wings with very indistinct, outwardly-curved, crenelated grey lines, 

 ante and postmedial ; fore-wings with two black dots at the end of the 

 cell ; hind-wings with three ; underside paler, shining, dots as above. 



Expanse of wings l^V inches. 



Hah. Sandakan, Borneo ( W. B. Prycr). 



Genus Trotothyris, Warr., Nov. Zool., iv, p. 19 (1897). 

 Ametroptila, Warr., 1. c, viii, p. 190 (1901). 



Trotothyris fragilis, nov. 



^ . Dark shining grey, head whitish between the antennte ; very 

 uniform in colour, there is a red-brown streak at the end of cell of 

 fore-wings, and some very minute silvery speckles along the costa, 

 in the cell and interspace below the sub-costal vein, and along the 

 outer margin ; these speckles can only be seen in certain lights, when 

 they are conspicuous, the marginal borders of both wings are dark 

 and the cilia shining yellow ; on the underside the wings are paler, 

 the mark at the end of the cell is yellowish-white, the sex mark on 

 fore-wings is surrounded with yellowish-white, and the body and 

 legs are of the same colour. 



Expanse of wings -^^ inch. 



Hah. PuLO Laut, Borneo {Dohcrly). 

 Oreta loochooana, nov. 



^. Antenn£B laminate as in 0. calceolaria, Butl., from Japan, but 

 the outer margin of fore-wings is evenly rounded below the incurve 

 under the apex and is not produced in the middle as in that species, 

 the colour is somewhat similar but duller ; antennte ochreous grey, 

 head, body, and fore-wings dull red-brown strongly tinged with 

 ochreous ; frons, head, body below and legs bright crimson, thorax in 

 front greyish- white, fore-wings with yellow suffusion on the basal and 

 outer portions, beyond the double line with yellow centre, which 

 runs straight from hinder margin beyond the middle to the apex, a 

 blackish mark on middle of costa, one at one-fourth from apex. 



