Letters

01 August 1952
Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...
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Letters

01 June 1951
Comments Letters SIRS,--The Council of the Scottish Ornithologists' Club have pleasure in intimating that a "Rare Birds' Protection" Committee has been formed to work in close conjunction with the Royal Society for the Protection of Birds, and the following have kindly co...
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