464 Sir G. F. Hampson on neio 



white apical spot, small conjoined stibtevminal spots above and 

 below vein 4 and larger rather wedge-shaped spots below veins 3 

 and 2 ; cilia reddish brown mixed with some white. 



Hab. Peku, Carabaya, Oconeque (OcA-e«^e«), 1 c? type. Exp. 

 20 mm. 



(30 J) Ambia melanisfts, sp. n. 



5 . Head, thorax, and abdomen black-brown mixed with some 

 white ; pectus, legs, and ventral sm-face of abdomen white. Fore 

 wing very dark red-brown with a blackish tinge ; an antemedial 

 white point on costa and medial bar from costa ; a slightly ex- 

 curved punctiform white postmedial line from costa to discal fold, 

 the line then almost obsolete and incurved below vein 4, with white 

 points above and below vein 1, a metallic silvery patch before it 

 between veins 3 and 1 and a small spot at middle of inner margin ; 

 a curved punctiform Avhite subterminal line ; cilia whitish. Hind 

 wing very dark red-brown with a blackish tinge ; the basal part of 

 costa white ; an antemedial white point on inner margin ; a small 

 metallic silvery spot beyond the cell ; an oblique postmedial white 

 band from costa to vein 4 and a minute spot above tornus ; a 

 curved white subterminal line from costa to discal fold and a series 

 of stria3 between discal fold and vein 1 ; the termen more rufous ; 

 cilia wliite. 



Jfc/b. Formosa, Kanshirei {Wileman), 1 $ type. Exp. 12 mm. 



[(38 «) Ambia argentistriaia, sp. n. 



Fore Aving of male on underside with large costal fold from 

 before middle to near apex ; hind wing in both sexes on upperside 

 with tuft of long spatulate hairs below end of cell. 



S . Head, thorax, and abdoiuen j^ellow^ the tegvilsB and patagia 

 with scarlet streaks, the abdomen dorsally suffused with rufous ; 

 palpi tinged with rufous ; pectus, legs, and ventral surface of abdo- 

 men Avhite tinged with rufous. Fore wing orange-j^ellow ; the 

 basal area suffused with scarlet, irrorated with a few black scales 

 and witli some silver scales below costa ; a curved scarlet ante- 

 medial line ; the medial ai^ea except towards costa and the post- 

 medial area below vein 4 wdth a silvery gloss finely striated with 

 dark browai ; a scarlet line from upper angle of cell, oblique to 

 vein 3, then erect, with a yellow streak tinged with scarlet in sub- 

 median fold to the antemedial line and beyond it on the silvery 

 area, the area beyond the line, except the silver}^ area, yellow tinged 

 with scarlet with brilliant silvei- streaks defined by black scales in 

 the interspaces of the postmedial area from below costa to vein 4 

 and a streak of black scales below vein 4, its extremity connected 

 by a line formed by black scales with the inner margin and in- 

 curved at submedian fold; a curved brilliant silver line before 

 termen and a terminal series of black strise ; cilia with brown mixed 



