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Show 1888.] HISTORY OF CHRISTMAS ISLAND. 523 Formosa and through Borneo and Celebes to Lomhok aud Flores. C. stephani is found in Celebes, New Guinea, Waigiou, and Mysol. UROSPIZIAS NATALIS, sp. n.1 Ad. Supra plumbeo nigricans, cervice rufo-brunnea excepta; alis caudaque fusco adumbratis; remigum pogoniis internis et rec-tricibus obscurius fasciatis; regione malariplumbeo-cinerascente ; mento pallida ; pectore rufo-brunneo plumbeo transverse striato ; abdomine pectore pallidiore, albido conspicue anguste transverse striato; subcaudalibus fasciis albidis latioribus. Jr. Supra obscure fuscus, tergo rectricibusque alarum rufescenti-brunneo maculatis ; cervice albida maculosa ; remigibus et rectrici-bus obscurius fusco fasciatis; gula albida, in longitudinem obscure fusco striata; pectore, abdomine, lateribus subcaudali-busque albidis, rufo-brunneo transverse fasciatis, fasciis obscure fusco limbatis ; cruribus fulvescentibus albido fasciatis. Adult. Crown dark slate; nape rufous brown ; back, scapulars, upper wing-coverts, and upper tail-coverts dark brownish slate, paler on the tips and inner webs of the quills. The inner webs of the primaries and secondaries are obscurely barred with a darker shade. Towards the bases of the outer primaries and inner secondaries the interspaces between the bars are white or freckled with white. Tail, above, dark slaty brown, all but the two central feathers slightly paler on the inner webs and obscurely barred with a darker shade towards the bases of the outer rectrices, the intervals between the bars are, as in the wing, white or freckled with white ; below, the two central feathers are uniform pale ashy brown. The side feathers are paler and rather obscurely barred with a darker shade, the bars being most distinct near the shafts and towards the ends of the feathers. The outer ones are obscurely freckled with white at the bases of the inner webs. Ear-coverts slate-grey ; chin, general effect pale rufous grey, paler in the male; the shafts are black, the webs irregularly barred with slate and pale rufous. Breast fine rufous brown barred with slate; belly paler brown, with narrow pale bars of white more or less freckled with slate ; under tail-coverts like the belly, but tbe white bars broader; flanks and legs like the belly, but the pale bars less distinctly marked, sometimes absent, but the feathers are always tipped with white. Wings, primaries dark grey-brown, pale grey towards the base ; secondaries grey, darker towards the tips, and barred and mottled with dark and white in correspondence with the colour on the dorsal aspect; lower wing-coverts white, barred and 1 Anatomically the species agrees with its allies in the characters mentioned by Garrod. There is a nude oil-gland and 12 rectrices are present. The gallbladder is absent. The gizzard is very muscular and the lining is raised on the opposing surfaces, which are sharply defined, into nine well-marked regular ridges with their planes in the direction of the axis of the gullet. It contained the hard albuminous seeds of some monocotyledonous plant, partly broken up. The intestine is 20 inches in length and is not provided with casca. A n ambiens muscle is present, though of extreme tenuity ; a small muscular belly not more than 1 millim. in breadth is interposed between the tendinous origin and the long slender tendon which passes over the knee. |