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Show 774 MR. A. G. BUTLER ON THE GENUS PROTOGONIUS. [Dec. 2, trifid, oblique subapical band (its lower extremity excised in front), a large spot almost touching the latter on second median interspace, and a small spot near margin on first median interspace, all yellow ; secondaries tawny, with moderately broad external black-brown border, becoming obsolete at apex, but broadest at anal angle, and enclosing four ochreous oval spots ; wings below very similar to P. cecrops, but duller in colour. Expanse of wings 3 inches 5 lines. Bogota (Stevens). B.M. Mimics Melincea tachypetis of Felder. 6. P. TITHOREIDES, n. Sp. Primaries above very similar to those of P. cecrops in general appearance, but with the apex less acuminate ; the outer border of the tawny area yellowish ; apical area exhibiting six yellow spots, one large trifid and oblique beyond the end of the cell, the others forming a submarginal series, the first, fourth, and fifth large, the others minute ; secondaries with a continuous moderately broad black border round costal and outer margins; five submarginal yellow spots, the first at apex, the others running from discoidal nervure to anal angle ; wings below as in preceding species, excepting that they are duller. Expanse of wings 3 inches 5 lines. Bogota (Stevens). B.M. Mimics the New-Granadan form of Tithorea megara. 7- P. OCHRACEUS, n. sp. (Plate LXIX. fig. 3.) Wings above ochraceous, including the spots on apical half of primaries ; markings arranged as in P. cecrops, excepting that the third division of the oblique trifid band of primaries is almost divided in the centre into two parts, and that there are two large spots between it and external angle; the basal area of wings tinted with brown ; secondaries with obtuse anal angle ; four lunate whitish submarginal spots; wings below pale ochreous (brighter on secondaries), varied with pale lilacine and red-brown; secondaries with four distinct submarginal white spots, the three lower ones only divided by the nervures ; central band red-brown ; markings arranged as iu P. cecrops. Expanse of wings 3 inches 5 lines. Cayenne (Becker). B.M. A peculiarly coloured species ; perhaps a mimic of an undescribed Melincea which we have from Demerara, but not like enough to enable one to form a definite opinion respecting it. 8. P. LILOPS, n. sp. Similar in general appearance to P. cecrops, but more nearly allied to P. bogotanus ; primaries black-brown, with a broad tawny streak from base to near end of first median branch ; a large, trifid, oblique, yellow patch beyond end of cell, and five large submarginal yellow spots; the first trifid, the fourth equal to the central division of the first and suboval, the remaining three much smaller, oval; secondaries tawny, with the external area from anal margin to end of second subcostal branch black-brown, and enclosing four yellow-edged white |