152 BIRDS OF THE 



grossen Baume in der Niihe des Flussufers, wo er audi 

 die Nacht zubringt, einsam uud ungesellig. Seine Nahrung 

 besteht hauptsachlich aus Fischen. Da am friihen Morgen 

 die Pische sich mehr in der Tiefe auf halten und erst spater 

 an die Oberflache kommen, scheint dieser Vogel die Jagd 

 erst spat zu beginnen und demzufolge lange zu schlafen"* 



3. Polioaetus humilis. 



Falco humilis Mull. & Schleg. Verb. Nat. Gesch. Zool. Aves, p. 47, 



pi. 6 (1839-44). 

 Polioaetus humilis Salvad. Ucc. Born. p. 6; Everett, L. B. Born. 



p. 183. 



An adult female from Nanga Raoen and two males and 

 a female from the Upper Mahakkam (Dr. Nieuwenhuis, 

 winter 1898 — 99). — Iris yellowish white, bill horny blue, 

 tip black, feet bluish white. 



H a b. Malay Peninsula, Sumatra, Borneo and Celebes. 



4. Spilornis baclia. 



Falco bacha Daud. Traite d'Orn. H, p. 43 (1800). 



Spilornis bacha Salvad. Ucc. Born. p. 7; Sharpe, Ibis 1889, p. 71; 



Everett, L. B. Born. p. 182. 

 Spilornis pallidus Wald. Ibis 1872, p. 363; Sbarpe, Ibis 1889, p. 



72; Everett, L. B. Born. p. 182. 



An adult male from Mount Kenepai and another from 

 the Bruny River (Upper Mahakkam). — Iris orange-yellow, 

 bill blue, cere and bare space on the face chrome-yellow, 

 feet orange-yellow. Wing 14 inches. — Contents of the 

 crop : Locusts, of the stomach : a Snake. 



Hab. Malay Peninsula, Sumatra, Java and Borneo. 



After having compared our two specimens with those 

 from difierent localities in the Leyden Museum and with 

 the numerous specimens from Java, contained in the Col- 

 lection of Dr. Vorderman, I am unable to recognize Sp. 

 pallidus Walden as a distinct species. Amongst the speci- 

 mens from Java there are some which by no means could 

 be considered to be anything but Sp. pallidus, while this 



Notes from the Leyden Museum, Vol. X!X!I. 



