BIRDS OF THE DUTCH BORNEO-EXPEDITION, 145 
NOTE VII. 
ZOOLOGICAL RESULTS OF THE DUTCH SCIENTIFIC 
EXPEDITION TO CENTRAL BORNEO. 
THE BIRDS 
BY 
Dr. J. BUTTIKOFER. 
(Plates 13—15). 
When writing my introduction to Dr. Jentink’s treatise 
on the Mammals collected during my sojourn in Borneo 
(N. L. M. XIX (1897), pp. 1—26), I had no idea that the 
publication of the present paper, which at that time was 
nearly ready for the press, would have to undergo such a 
long delay. But the duties of my new position as Director 
of the Zoological Garden at Rotterdam absorbed so much 
of my time that I could not think much about finishing 
my manuscript. And even now I am, for want of time, 
unable to do what I originally had proposed myself to 
‘do, i. e. to give a critical review of the birds of Borneo, 
but must content myself with an enumeration of the spe- 
cies obtained by myself and my companions, especially by 
my assistant Mr. Max Moret, who, after my return to 
Europe, made a small collection of birds in the surround- 
ings of Pontianak near the west coast, and of Dr. A. W. 
Nieuwenhuis!), who, from May 1896 to May 1897 and 
1) See my above-mentioned introduction, p. 25, and a paper from the hand 
of Dr. Jentink’s on the Mammals collected on this second expedition by Dr. 
Nieuwenhuis (N. L. M. XX (1898), p. 118). 
Notes from the Leyden Museum, Vol. X XI. 
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