Letters

01 October 1963 Comments Letters S I R S , -- W i t h reference to Mr. Masefield's note (antea, p . 270), fleas m a y generally b e found in T i t ' s nests in t h e winter, a n d during t h e first few warm days in spring m a y be seen waiting in numbers outside t h e hole ready to j u ...
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Letters

01 September 1950 Comments Letters S I R S , -- I n their paper on this subject in British Birds, vol. xlii, p. 325, David and Elizabeth Lack write t h a t Dr. D. A. Bannerman in his note on Chaffinch Migration in .British Birds, vol. xxxvii, p . 177, supposed t h a t the birds he saw in N...
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