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Show 1878.] ORNITHOLOGY O F T H E PHILIPPINES. 949 53. MELANOPITTA SORDIDA (95). [Zamboanga, 3, March : iris chocolate ; bill black ; legs brownish grey. 3 2 , March, April, and May.] This species has the black central abdominal patch much more largely developed than in M. muelleri ex Borneo. In no other respect does it appear to differ. The extent of pure white on the quills is dependent on sex. Of fourteen individuals with the sex noted by Mr. Everett, nine are males and five are females. The primaries of the male have a much greater white surface than is found in the primaries of the female. The 6th, 7th, and 8th primaries are scarcely tipped with black ; and the first five primaries have double the amount of white that exists on the primaries of the female. On examining Luzon and Negros examples with the sexes noted by Dr. B. Meyer, the same character differentiates the sexes. In Bornean individuals of M. muelleri (sex determined by Mr. Everett) the sexes can be discriminated by the amount of white on the remiges. In M. cucullata some of m y examples exhibit a maximum of white on the quills and the others a minimum ; but as none have had their sexes determined by dissection, I am unable to affirm that in that species the same law holds good. In two Zamboanga skins the green of the breast and flanks is assuming the blue tint so prominent in the large representative form M. steerii. 54. MELANOPITTA STEERII. Brachyurus steerii, Sharpe, * Nature,' August 1876, Tr. L. S. ser. 2, Zool. i. p. 329, t. xlix. [Zamboanga, 3 , March and April.] 55. MACRONUS STRIATICEPS. Macronus striaticeps, Sharpe, Tr. L. S. ser. 2, Zool. i. p. 331. [Zamboanga, 3, March : iris white: bill black; legs purplish grey] 56. Ixus GOIAVIER (99). [Zamboanga, 3 $, March.] 57. POLIOLOPHUS UROSTICTUS (101). [Zamboanga, 3 > April: orbital ring light yellow.] 58. HYPSIPETES RUFIGULARIS. Hypsipetes rufigularis, Sharpe, Tr. L. S. ser. 2, Zool. i. p. 335. [Zamboanga, 2 > April; iris crimson ; bill blackish brown ; legs brown.] 59. MONTICOLA SOLITARIUS (103). [Zamboanga, $, April.] 60. COPSYCHUS MINDANENSIS (106). [Zamboanga, 3, March.] PROC. ZOOL. Soc-1878, No. LXII. 62 |