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Show 442 THE MARQUIS OF TWEEDDALE ON BATRACHOSTOMUS. [May 15, tips. Nape with a distinct rufous tinge ; a few feathers on each side broadly terminated with white, which is margined above by a narrow brown line ; a few feathers on the middle of the nape slightly tipped with pure white, some with fulvous. A rudimentary uncompleted nuchal collar is thus formed. Back and uropygium rufous-brown like the nape, marked with cloudy brown striations and a few black terminal dots. Upper tail-coverts rufous brown, with pale lateral subdued small spots or quasi-bands. Scapulars greyish white, much marked with irregular pale-brown striae, tipped pale rufous, with a small terminal black spot almost encircling a minute rufous point. The lower scapulars are thus marked on the outer webs only, the inner being rufous, clouded with brown. Wing-coverts rufous brown. The major and secondary coverts purer rufous and tipped with bold round or ovoid white marks, some tawny, surrounded above and on their inner margins with black. Many of the greater coverts are traversed by brown zigzag lines; and the white tips are irregularly formed and incomplete. The quills are brown, the outer webs being indented with pale rufo-fulvous. The tertiaries brown, mottled with grey and rufous-grey, which resolves itself into more or less definite bands on the sides of the webs. Middle rectrices rufous-brown, with eight or nine pale fulvous-grey narrow transverse bands much dotted with brown ; laterals brighter rufous. Under wing-coverts pale sordid fulvous grey. Wing 4*68, tail 4*50, tarsus 0*50, middle toe 0*75, bill from forehead 0*90, width of gape 1*20. Structure as in foregoing. No. 4, d (?) adult, Ceylon (mus. nostr.). (Pl. XLVIII.) General aspect above brown. Group of feathers before the eye pale rusty, with a dark brown subterminal bar; a narrow frontal band similarly marked. Superciliary plumes pale rusty white, mostly on the outer webs, freckled with brown on the inner and traversed with a sub-terminal dark brown irregular line. Feathers of the head brown, with minute fulvous terminal and marginal dots and subterminal black spots, all obsoletely freckled with fulvous, and many mixed with grey. Occipital crest-plumes without any fulvous dots. Elongated auriculars tawny, much striated with brown, and tipped almost black. Shorter auriculars tawny, with pale shafts. Nuchal plumes marked like occipital crest, but with a more tawny-rufous ground and with a subterminal white band confined between an upper and a terminal dark brown transverse line. A well-defined nuchal collar is thus formed of two or three rows of plumes. Interscapulars and back marked and coloured like the occipital crest. Uropygiai plumes rusty, irregularly vermiculated with dark brown, some terminal markings being black. Upper tail-coverts the same, but with obsolete pale rusty lateral ocelli. Rectrices pale rusty fulvous, mixed with grey throughout, much vermiculated by fine irregular brown lines and with some seven or eight darker rufous transverse bands, separated from the paler by dark brown, almost black, irregular lines, these being broader and bolder than the fine vermiculations. Laterals with a brighter tawny rufous ground-colour. External short pair pale tawny-rufous, with pure white marginal spots. Undersurface of the rectrices pale ful- |