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THE IBIS. 



ELEVENTH SERIES. 



Vol. III. No. 2. APRIL 1921. 



XI. — Field Notes on the Birds of Macedonia, With special 

 reference to the Struma Plain. By F. N. CHASEN,~Castle 

 Museum, Norwich. 



Introduction. 



The present paper is offered as a small contribution to our 

 knowledge ot" the ornithology of a comparatively unknown 

 part of Europe. In spite of the existence of more than 

 forty original papers dealing with the birds of the Balkan 

 Peninsula, the Struma plain still remains terra incognita to 

 the ornithologist. The earlier publications contain little 

 more than scattered references to the birds of this very 

 interesting district, and more recent investigators have, like 

 myself, carried out their work whilst subject to military 

 discipline. 



Dr. Erwin Stresemann's new book, ' Avifauna Macedonica,' 

 for the loan of a copy of which I have to thank Mr. W. L. 

 Sclater, is exhaustive in its way, but as it was compiled 

 largely from material accumulated during the war it — 

 naturally enough — does not deal at any length with the 

 Struma plain, which was either in Allied occupation or 



SEil. XI. VOL. m. o 



