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Show 36 MR. BUTLER ON NEW SPECIES OF PROTOGONIUS. [Jan. 19, running from second third of costa to near the end of second median interspace; four apical submarginal ochreous spots, the two upper ones largest, the first sagittate; secondaries with the costal half tawny, the costa, subcostal vein, and anal half black; an apical sub-marginal blackish line ; four submarginal tawny-tinted white spots : body brown; antennse with the apical three-fifths yellow, base black : wings below very like P. tithoreides; primaries paler, two or three pale stramineous subapical spots; secondaries darker, the costal half of wing suffused with castaneous. Expanse of wings 3 inches 4 lines. Pebas. Coll. Druce. Apparently a mimic of Tithorea megara. 3. PROTOGONIUS DIFFUSUS, n. sp. (Plate V. fig. 3.) Wings above tawny ; primaries with the apex from costa just beyond end of cell to third median branch dark brown, outer margin from third to first median branch narrowly bordered with brown ; a rather broad band from basal costa to end of cell, uniting with an irregular oblique band from end of cell, crossing second median interspace near the base ; a broad black internal streak, nearly reaching external angle; a broad subapical ochreous band, diffused and fading away into the ground-colour below second median branch; secondaries with the costa narrowly black ; outer margin broadly bordered with black, tapering from inner margin to second subcostal branch ; three small pale ochreous submarginal spots: body olivaceous, clothed with tawny hairs; antennse with apical two thirds ochreous, base black ; wings below much as in P. eequatorialis, but secondaries with the bands dark brown on costal area, and anal area plumbaginous. Expanse of wings 3 inches 6 lines. Curaray, Ecuador. Coll. Druce. This species probably mimics Melincea zaneka or Mechanitis fallax. 4. PROTOGONIUS SEMIFULVUS, n. sp. (Plate V. fig. 4.) Primaries above bright tawny; a broad patch at apex, the costa, a streak covering costal area to end of cell and terminating in a large discocellular spot, and a broad internal streak black; secondaries black; a broad patch at apex bright tawny, the base of cell and costal area dull tawny ; abdominal area brown : body brown; antennae pale yellow, basal joint black ; under surface almost as in P. tithoreides, but without subapical white spot. Villagomes, Ecuador. Coll. Druce. Mimics Melincea methone and parallels Mechanitis decepta, Ceratinia semifulva, Heliconius bicoloratus, Eresia ithomiola, and Pericopis hydra, all of which are coloured in the same way and range over the same region. EXPLANATION OF PLATE V. Fig. 1. Protogonius cequatorialis, p. 35. 2. fulvus, p. 35. 3. diffusus, p. 36. 4. semifulvus, p. 36. |