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 Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...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 1952
Comments Notes The Display of the Blackbird.--During observations on four pairs of Blackbirds (Turdus merula) in 1949, and on the same four pairs with the addition of another in 1950, the following display was noted. All of the birds concerned were recognizable in the ...
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Visible migration at Land's End

01 March 1952
Comments Main paper THE study of visible migration, initiated by Eagle Clarke (1912), has received a new impetus in the last few years. In October, many Sky-Larks (Alauda arvensis), Chaffinches (Fringilla caslebs) and Starlings (Sturnus vulgaris), with smaller numbers of oth...
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Letters

01 February 1947
Comments Letters SIRS,--With reference to Colonel Ryves's note (antea, Vol. xxxix, p. 375} oa a clutch of two eggs only, of the Blackbird (Turdus »». merula), I wish to point out that this number of eggs for a full clutch is not extremely abnormal. I cannot but thin...
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Reviews

01 February 1947
Comments Reviews South-Eastern Bird Report, being an Account of Bird-Life in Kent, Surrey and Sussex during 1944. Edited by Ralph Whitlock. Ditto (including Hampshire) for 1945. THE 1944 South-Eastern Report, delayed by printing difficulties, was not available when our no...
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