250 
538, 
1940, 
dal 
644, 
665, 
666, 
671, 
BIRD-MARKING IN THE NETHERLANDS. 
nestling by Dr. J. J. Blanksma; shot near 
Texel at the end of August 1911. 
marked 6 August 1911 at Callantsoog as a 
nestling by Dr. J. J. Blanksma; shot at 
Gravelines, North France, 28 April 1912. 
Reporter Mr. M. de Poucheville, Lens. 
marked 2 July 1911 at Callantsoog as a nestling 
by Dr. J. J. Blanksma; caught at Boulogne 
sur Mer, Northwestern France, 25 December 
1911. Reporter Mr. Félix Valette, Boulogne 
sur Mer. 
marked 25 June 1912 at Callantsoog as a 
nestling by Mr. A. Kos; shot at Heligoland, 
18 August 1912. Reporters Dr. H. Weigold, 
Heligoland, and Mr. E. Fähland, Heligoland. 
Larus ridibundus L. 
marked 18 June 1911 at Kerkwerve, province 
Zeeland, as a nestling by Mr. A. Man in 
't Veld; found dead near Southampton, 
South England, in the beginning of February 
1912. Reporter Mr. J. Hayter in „Cage 
Birds” of 17 February 1912; the informa- 
tion was sent to me by Mr. Ph. Gosse, 
Beaulieu, and Mr. H. F. Witherby, London. 
marked 18 June 1911 at Kerkwerve as a 
nestling by Mr. A. Man in ’t Veld; shot 
at Marcourt, 3 K. M. away from St.-Quentin, 
North France, Reporter Mr. G. Augnet, 
St.-Quentin. 
marked 18 June 1911 at Kerkwerve as a 
nestling by Mr. A. Man in ’t Veld; found 
dead along the Nieuwe Merwede, province 
Zuid-Holland, 29 October 1911. Reporter 
Mr. W. Boot, Dordrecht. 
marked 25 June 1911 at EHllemeet as an 
Notes from the Leyden Museum, Vol. XXXIV. 
