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Show 1875.] MR. R. B. SHARPE ON BIRDS FROM LABUAN. 109 for it even traverses obliquely the inner web to within ^0 inch of its apex. Labuan. One bird, sent by Mr. Lowe.-Very slight shade of grey on the wings, but seen also on the secondaries. Tail imperfect, the white extending to within 0*45 inch of tip of outer rectrix. Slight remains of greyish spots at the end of some of the tail-coverts. Bouru. Three specimens, agreeing well together, were received by the Museum from Mr. Wallace's collection.-The markings on the tail being more black and extended refer the species to the C. melanura of Gray. Wings black with very faint shade of grey. Tail-feathers 14, the white extending to within 0*65-0*9 inch of the tip of outer rectrix. Both specimens well marked with black on abdomen and under tail-coverts. Gilolo. One specimen, collected by Mr. Wallace and referred by him to C. melanura of Gray.-Wings black, with very slight grey shade. No black spots on abdomen. Tail-feathers 14, with the white on the outer one reaching to within 0*6 inch of the tip. Batchian. A single bird in M r . Wallace's collection is the type of C. melanura, and bears the label in Mr. Gray's handwriting " outward feathers not white." The latter gentleman refers the foregoing Gilolo skin to this same species; but the tail is differently marked in this one, and the abdomen thickly spotted with black. Wings black, with a slight grey shade. Tail-feathers 12 ; but it is quite probable that the outer feather on each side is missing ; and the disappearance of the oblique white marking of course would leave the black forming a tolerably broad band across the extremity of the tail, as it does in nearly every example of the group. Ceram. Mr. Wallace collected one specimen in this island, much marked with black on the abdomen. Wings black, very plainly shaded with grey on both primaries and secondaries. Tail-feathers 14, the white descending on the outermost one to within 0*7 inch of the tip. Amboyna. From this island we have also one specimen, a male, collected by Mr. Wallace in 1859. Both the abdomen and under tail-coverts are thickly marked with black. Wings black, slightly shaded with grey. Tail-feathers 14, with the white extending to within 0*85 inch of the tip of the outermost. New Guinea. Mr. Wallace has determined a specimen collected here by himself as C. bicolor; and I do not see to what else it could be referred. The under surface is entirely white, with only a small blackish spot at the tip of the longest under tail-coverts. Wings black, very strongly shaded with grey. Tail of 14 feathers, the white extending to within 0*55 inch of the tip ; but on one side it is more extended and reaches nearly to the tip of the outer web, occupying a large subterminal portion of this feather. Aru Lslands. Two birds collected here by Mr. Wallace are determined by Mr. Gray as " C. spilorrhoa, var." They are rather large, and have a good deal of grey shade on the wing, the vent and under tail-coverts distinctly spotted with black. Tail-feathers 14 in |