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Show 74 DR. W. J. HOLLAND ON THE AFRICAN [Jan. 14, the upperside. The uppersides of the head, thorax, and abdomen are black, with the anal extremity of the abdomen white tipped with a tuft of black hairs. The palpi and the pectus on the lower side are white. The lower side of the thorax is grey. The lower side of the abdomen is black annulated with white. The primaries on the upperside are black. The cilia on the primaries are black marked with white at their extremities near the outer angle. The cilia of the secondaries are white, very conspicuously so near the anal angle. The primaries are marked with two subapical spots in the usual position, two elongated minute spots on the cell near its end, one on its upper margin and one on its lower, and by a transverse discal series of four spots, of which the one on interval 1 is minute and subtriangular, situated on vein l,the spot on interval 2 is subquadrate, excavated externally, and separated from the other spot in the cell by the median nerve. Beyond this spot on intervals 3 and 4 are two smaller spots. The secondaries are crossed about the middle by an irregularly-curved series of five or six white semi-translucent spots. On the underside, the primaries are black, darkest at the base. There is a fine white costal ray near the base. The spots of the upperside reappear, but less distinct than on the upperside, and above and beyond the spot on interval 1 is a white curved ray uniting on its curved upper margin the two lower spots of the discal series. The secondaries are black, most conspicuously so in the region of the anal angle. The inner margin and the outer margin from the outer angle to the extremity of vein 2 are sprinkled with grey scales, and the nerves are likewise clothed with grey scales, causing them to be picked out distinctly upon the dark background. The white discal series of spots reappears on the underside, the terminal spot of the series located on vein 1 b being the most conspicuous, whereas on the upperside it is least conspicuous and appearing as a large triangular white patch. 2 . The female is like the male, but with broader and more rounded wings. Expanse, 3 28 mm., $ 30 m m . Types in coll. Staudinger. Hab. Freetown (Preiss) ; Gaboon (Mocquerys). The male is labelled in the Staudinger collection P. leucopyga, Ploetz, but this determination is wholly in error. Leucopyga of Ploetz is an Acleros and a wholly different insect. This species is closely related to P. moritili and its allies. KATREUS, Wats. 255. K. JOHNSTONII, Butl. (Plate II. fig. 18.) Astictopterus johnstonii, Butl. P. Z. S. 1887, p. 573. Katreus johnstonii, Watson, P. Z. S. 1893, p. 115; Holl. Ent, News, Jan. 1894, pi. i. fig. 8. Hab. Cameroons, Gaboon, |