Tern's Nests between Branc aster and Salthouse, 



Norfolk, 1920-50 



Numbers approximate minima of occupied nests (figures in brackets interpolated) 



Sources : W. Rowan (1915), B. B. Riviere (1930), Marples and Marples (1934), 

 Annual Reports on Bird Protection in Norfolk (Norfolk Naturalists' Trust, 

 published in Trans. Norf. Nat, Soc), and various notes in Brit. Birds and the Zoologist. 

 4- a few pairs 



