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Show 324 MR. R. B. SHARPE ON THE BIRDS OF LABUAN. [Apr. 1, Suborder PANDIONES. 8. P A N D I O N LEUCOCEPHALUS, Gould. Pandion leucocephalus, Sharpe, Cat. B. i. p. 451. Pandion haliaetus (L.), Salvad. t. c. p. 7. An adult specimen (No. 44) sent by Mr. Treacher, who gives the native name as "Alang piak "-the same, it will be observed, as that applied to Haliaetus leucogaster. The species was procured at Sarawak by Doria and Beccari, but has not been previously met with by the English collectors in N.W. Borneo. Suborder STRIGES. Family STRIGIDJE. 9. K E T U P A JAVANENSIS, Less. Ketupa javanensis, Salvad. t. c. p. 20; Sharpe, Cat. B. ii. p. Two fine specimens, one dated December 1876, were sent by Governor Ussher. Mr. Treacher sends three adult birds, with the native name "Bugang." 10. PHODILUS BADIUS (Horsf.). Phodilus badius, Motl. & Dillw. t. c. p. 8; Salvad. t. c. p. One specimen was sent by Mr. Low. It has already been recorded as a Labuan bird by Messrs. Motley and Dillwyn; indeed Mr. Motley speaks of it as being rarely seen, but not uncommon in the island. This appears somewhat strange when we consider the diligent efforts of Governor Ussher and Mr. Treacher to exhaust the avifauna of Labuan, and yet neither of them ever procured a specimen. It may, therefore, be migratory, and only plentiful at certain seasons of the year. Native name " Burong hantoo " (Motley). 11. NINOX SCUTULATA (Raffles). Ninox scutulata, Sharpe, Cat. B. ii. p. 156. Ninox borneensis, Bp., Salvad. t. c, p. 18 ; Sharpe, P. Z. S. 1875, p. 99. Of this bird I have now examined a large series sent by Mr. Low, Governor Ussher, and Mr. Treacher, and I have very little to add to the remarks which I published in the ' Catalogue of Birds.' The characters which I there supposed might distinguish the Labuan bird as a race seem to me to be insufficient to warrant this conclusion. The uniform first primary appears to be a matter of age ; and the number of caudal bars probably depends upon the same cause. In Mr. Treacher's series the majority of the specimens have five tail-bars, but one has only four. Native name " Pungok" (Treacher). Two specimens from Labuan were in Mr. Low's collection ; one of them a dark-coloured bird with four bands on the tail, and obsolete traces of fulvous bars on the inner web of the first primary. This belongs to the usual dark Labuan form of this Ninox; andit breeds in the island, Mr. Low having obtained two eggs with this identical specimen. The latter are very small for the size of the |