from the Island of Negros. 473 



This little series, like Mr, Keay^s previous collection, con- 

 tains some specimens of considerable interest. Among the 

 more important I may mention here that rare llaptor, Falco 

 atriceps (a subspecies of Falco peregrinator) , which is an 

 addition to the avifauna of tlie Philippines. Several other 

 birds among those now to be recorded are either new to or 

 have only rarely been obtained in Negros. On the other 

 hand, a number of the specimens in this second collection 

 belong to species already treated of in my former paper 

 (Ibis, 1894, pp. 531-535), and will therefore have no place 

 in this contribution. 



Mr. Keay furnishes a short note on that remarkably rare 

 Swift, Chcetura celebensis, from which it would appear that 

 this bird may not be uncommon, though most difficult to 

 obtain, in the island. 



I have also included some notes on several of the Philip- 

 pine Woodpeckers of the genus Thriponax, extracted from 

 letters written to me by the late Mr. Edward Hargitt 

 shortly before his lamented decease. These will, no doubt, 

 be appreciated by those who are interested in the varied 

 forms of this difficult genus. 



I shall have to make several references to the following 

 papers : — 



Ramsay, Major R. G. Wardlaw. — 'A Revised List of the 

 Birds known to occur in the Philippine Islands, showing 

 their Geographical Distribution.' Appendix to the 

 ' Ornithological Works of the Marquis of Tweeddale ' 

 [Tweeddale Memoir], 1881. 



Steere, Professor J. B. — ' A List of the Birds and Mammals 

 collected by the Steere Expedition to the Philippines, 

 with Localities, and with Brief Preliminary Descrip- 

 tions of supposed new Species.' 1890. 



Bourns and Worcester. — ' Preliminary Notes on the Birds 

 and Mammals collected by the Menage Scientific Expe- 

 dition to the Philippine Islands.' By Frank S. Bourns 

 and Dean C. Worcester. Minnesota Acad. Nat. Sci. 

 (Occasional Papers) vol. i. no. 1. 1894. 



