I. — On the Birds collected in the Philippine Islands. By Arthur, Marquis of 

 Tweeddale, F.R.S., President of the Zoological Society of London. 



(Plates I. to VI.) 



(Reprinted from the Proceedings of the Zoological Society of London lor 1877. 

 With corrections and additions by P. L. Sclater, F.R.S.) 



[The best, in fact the only, general account of the Ornithology of the Philippine 

 Islands is that given by the much lamented author of the present Report in the ninth 

 volume of the Zoological Society's Transactions. 1 After the preparation of this Memoir, 

 the late Lord Tweeddale having become greatly interested in the avi-fauna of this Archi- 

 pelago, arranged with a well-known collector, Mr A. H. Everett, to visit the different 

 islands and to make collections of birds for him. The results of this expedition were given 

 in twelve papers published in the Zoological Society's Proceedings for 1877 and 1878. 2 



Mr Sharpe's important memoir on the birds collected by Professor Steere in the 

 Philippines, 3 which was issued just after Lord Tweeddale's report on the Birds of the 

 Challenger Expedition, should also be consulted on this subject. At the time of his 

 death the late Lord Tweeddale was in communication with me upon the subject of a 

 general article to embrace the results arrived at in these different contributions. — P. L. S.] 



The Challenger Expedition, during its stay in the Philippine Archipelago, visited six 

 islands, viz., Pan ay (Ilo-ilo), Luzon (Manila), Zebu, Camiguin, Malanipa, and Mindanao 

 (Samboangan and Pasamanca). It is not on record that two of these islands, Camiguin 

 and Malanipa, had ever been previously visited by any ornithological collector ; while 

 from Mindanao only some nineteen species of birds were known. Dr Steere, at about 

 the time the Challenger was near Mindanao, collected many additional species of birds on 

 that island, as he had also done in the islands of Zebu and Panay ; and as the results of 

 his researches have already been made known by Mr Bowdler Sharpe, 4 some of the disco- 

 veries made by the Challenger naturalists have been anticipated. In order that the exact 



1 A List of the Birds known to inhabit the Philippine Archipelago, by Arthur, Viscount Walden, F.R.S., Trans. 

 Zool. Soc, vol. ix. p. 195. 



2 Contributions to the Ornithology of the Philippines, No. I., Proc. Zool. Soc, 1877, p. G86 ; No. II., ibid., p. 755 ; 

 No. III., ibid., p. 816 ; No. IV., ibid., 1878, p. 106 ; No. V., ibid., p. 280 ; No. VI., ibid., p. 339 ; No. VII., ibid., 

 p. 379 ; No. VIII., ibid., p. 420 ; No. IX., ibid., p. 611 ; No. X., ibid., p. 708 ; No. XL, ibid., p. 939 ; No. XII., ibid., 

 1879, p. 68. 



3 On the Birds collected by Professor J. B. Steere in the Philippine Archipelago, Trans. Linn. Soc, scr. 2, Zool., 

 vol. i., part vi. (1877). 



4 Trans. Linn. Soc. ser. 2, Zool., vol. i. I am much indebted to Mr Sharpe for his courtesy in permitting me to 

 peruse his paper while it was passing through the press. Without this assistance it would have been impossible for me 

 to have completed this report at so early a date. 



