ON BIRDS FROM THE NETHERLANDS, 231 
NOTE XXXIX. 
REPORT ON BIRDS FROM THE NETHERLANDS 
RECEIVED FROM 1 SEPTEMBER 1911 
TILL 1 SEPTEMBER 1912 
BY 
Dr. E. D. VAN OORT. 
As to the increase of the collection of birds observed 
in the Netherlands, the past twelve months have been im- 
portant; during that lapse of time the collection is aug- 
mented with 594 skins and 335 eggs in clutches. 
I have to mention the following gentlemen, who pre- 
sented us with indigenous birds, in the first place H. R. H. 
Prince Hendrik, and further: D. Bakker, N. Balt, W. H. 
de Beaufort, F. E. Blaauw, J. Boonstra, F. K. Baron van 
Dedem, R. van EKecke, L. Baron van Heeckeren tot Walien, 
Jhr. W. C. van Heurn, P. J. van Houten, C. J. van der 
Klaauw, A. Kohlbeck, E. Loeb, Mr. H. A. Lorentz, A. 
Man in ’t Veld, J. L. F. de Meyere, H. M. Rose, Jhr. 
F. de Roy van Zuidewijn, K. G. Smit, Ch. van Spall, 
G. S. van der Spruyt, F. A. Verster van Wulverhorst, 
F. H. Verster and J. C. Wäkerlin. A fine example of 
Dendrocopos medius (L.), a female, shot at Heino, province 
Overijssel, 5 September 1908, was given to us in free loan 
by Mr. F. K. Baron van Dedem; this species was not yet 
represented in our collection of native birds. Of another 
species, also not yet represented in the collection, the 
aquatic warbler, Calamodus aquatica (Gmelin), we received 
a fine series of 30 examples from one of our lighthouses, 
The more important acquisitions are: 
Notes from the Leyden Museum, Vol. XXXIV. 
