Letters

01 March 1952 Comments Letters SIRS,--We are hoping to collate information about visible migration over, and on the shores of, the Mediterranean. Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...
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Reviews

01 March 1952 Comments Reviews British Bird Boohs : An Index to British Ornithologv, A.D. 1481 to J.I). 1948. By Raymond Irwin (London, Grafton & Co., 1951. 63/-). The title of this book gives a very inadequate idea of its contents since it indexes and classifies, not only books, b u t...
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Notes

01 March 1945 Comments Notes IN reference to Mr. David Lack's note on Blackbirds (Turdus m. merula) singing in London at the end of January (antea, Vol. xxxviii, p. 116), in some parts of London such as Kensington, where there are many houses with gardens, it is quite exceptional fo...
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