Birds of Buldbac and Puldivan. 31 



*4r9. Dryococcyx harringtoni, Sharpe. 



50. Cextrococcyx eurycercus. Hey. 



*ol. Cacatua h.ematuropygia (P. L. S. Miill.). 



*52. Prioxiturus cyaxeiceps, Sharpe. 



Prionitimis discurus, Sharpe, Tr. Linn. Soc. ser. 2, Zool. 

 i. p. 312. 



P. cyaneiceps, Sharpe, Ibis, J 888, p. lOJ'. 



P.plateni, W. Blasius, Ibis, 1888, p. 372; id. Ornis, 1888, 

 p. 305. 



The coloration cif the soft parts is as follows : — Bill whitish; 

 feet plumbeous grey ; iris deep chocolate-brown. 



53. AsTUR TRiviRGATL's (Temm.). 



51. SriLORXis DAvisoNi, Hume. 



Spilornis davisom, Hume, Str. F. i. pp. 305, 422 (1873). 



Spilornis melanotis, Jerdon; .Sharpe, Cat. Birds B. M. i. 

 p. 289 (parthn). 



? Spilornis bacha, Whitehead, Ibis, 1890, p. 42. 



? Spilornis pallidiis, Steere, List Birds Steere Exped. 1890, 

 V-7. 



Mr. Whitehead, in his list of Palawan birds, enumerates 

 Spilornis bacha as having been shot by him on that island ; 

 but he did not preserve the specimen as it was damaged, and 

 he believed that he recognized it correctly. Dr. Steere [t. c.) 

 also records the occurrence of a Spiloi'nis in the same island 

 and catalogues it as S.pallidus. I have been so fortunate as 

 to obtain three examples, one from Balabac and two from 

 Palawan, which th.ere can be little doubt, I think, belong to 

 the same species as the birds recorded by Messrs. Whitehead 

 and Steere. On comparison with the other species of Ser- 

 pent-Eagles in the Natural History ^Museum, they come so 

 exceedingly close to S. davisoni, Hume, which was originally 

 described from the Andaman Islands, that I think the safest 

 course, in view of the existing uncertainty as to the number 

 of species in this group of birds, is to record the Balabac- 

 Palawan species under Hume's title. My specimens are 

 rather more rufous, and the zigzag " watering " on the 



