106 U.S. NATIONAL MUSEUM BULLETIN 257 



termen strongly sinuate, rounded below, moderately oblique. Creamy 

 white, anteriorly tinged deeper, pale tawny. Basal fourth of costa 

 with a dark brown streak, at posterior extremity emitting a more or less 

 continuous but ill-defined inwards-oblique transverse shade; more than 

 median half of costa occupied by a brown triangular patch, its anterior 

 edge with a rounded projection along its median part, posterior edge 

 mth a smaller rounded projection, limited above and beneath by a 

 small triangular incision; this brown patch including dark browii, 

 almost blackish markings: moderate costal spots on its extremities, 

 two costal dots beyond its middle, and a broad longitudinal streak in 

 cell; point of triangle acutely attenuated and narrowly continued 

 almost to 4/5 of dorsum; a round black spot on costa well before apex; 

 a suffused fuscous spot before apex; a series of small irregular dark 

 brown marks along fold; edge of wing along posterior part of costa and 

 along termen suffused with light fulvous, the suffusion extending along 

 posterior parts of terminal veins; an irregular dark grey subterminal 

 suffusion, forming a more or less interrupted transverse band from 

 well below the costal subapical spot. Cilia pale greyish tawny creamy 

 with a light tawny median line and a few brown specks opposite 

 tornus. 



Hindwing creamy whitish with a strong slivery gloss, cilia dull 

 creamy. 



Female genitalia: Genital segment sclerotized, conical. Sterigma 

 formed by two cup-shaped and aciculate deep folds, one on each side; 

 these folds, when expanded, apparently form a large vesicular promi- 

 nence. CoUicidum long, strong, tubular, with a finely reticidate wall; 

 top of colliculum tube projecting, its lower edge straight, upper edge 

 trapezoidal; a strong and narrow ventral split with thickened and 

 corrugate edges, ending caudally in a free pointed process. Ductus 

 bursae and upper part of corpus bursae pustulate. Signa absent. 



Material examined: Luzon, Subprov. Benguet, Haights Place, 

 Pauai, 7000 ft., 30.XI.1912 (A.E. Wileman), 1 9, holotype, genit. slide 

 5750 (Rothschild bequest, BM). 



A distinct species, the true affinity of which, however, cannot be 

 ascertained without the males being known. 



Meridarchis scythophycsy new species 



Figures 139-140, 582 



Female, 21 mm. Head white, sprinkled with vinaceous brown. 

 Antenna brownish vinaceous, striped with white above, white beneath. 

 Palpus long, porrect, median and terminal segments gently curved 

 downwards, flattened laterally, median segment moderately broad, 

 broadest in middle, terminal segment gently narrowed, obtuse. 



