Letters

01 December 1956
Comments Letters I N T E R P R E T A T I O N O F V A R I A T I O N AMONG T H E YELLOW WAGTAILS S I R S , -- May I ask a little of your space in which to comment on some points in Dr. Mayr's summing-up (antea, pp. 115-119) of our present state of knowledge of the Yellow Wa...
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Reviews

01 December 1956
Comments Reviews Edited by Major-General H . P . W . HUTSON, C.B., D . S . O . , O . B . E . , M.C. (Published by British Ornithologists' Union and distributed by H . F . & G. Witherby, Ltd., London, 1956). 268 pages. 21/-, postage 1/6. MANY ornithologists who spend much...
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Notes

01 December 1956
Comments Notes Albinism related to age.--With reference to notes on this subject (antea, vol. xlvii, p . 406; vol. xlix, p . 153), I have come across a similar case, also with a male Blackbird (Turdus merula). The bird was ringed at Burgess Hill, Sussex, on 13th Decembe...
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Movements of House Sparrows

01 December 1956
Comments Main paper T H E migration of birds--the routes they take, the means by which they orient themselves and reach their destination--is at present receiving' considerable attention. The House Sparrow (Passer domesticus) is generally considered to be a sedentary bird an...
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Letters

01 September 1954
Comments Letters SIRS,--I read with great interest the paper by Desmond Morris (antea, pp. 33-49) and the subsequent letter by A. J. Bruce (antea, p. 215) in which this subject is discussed. Bruce's theory, that a thrush (Turdus sp.) cannot afford to use its feet owing to...
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Reviews

01 September 1954
Comments Reviews Report on Somerset Birds, 1952: 39ft Report of the Ornithological Section of the Somersetshire Arch, and Nat. Hist. Soc. Obtainable from G. H. E. Young, Bank House, Martock, Somerset. 5s. Ornithological Notes, Bristol District, 1952. Edited by H. H. Davis...
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Reviews

01 September 1954
Comments Reviews Birds as Animals, i. A History of Birds. By James Fisher (Hutchinson's University Library, London, 1954). 8s. 6d. THIS book is based on the author's previously published Birds as- Animals (Heinemann, 1939), but is a completely revised and rewritten versio...
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