Letters

01 November 1953
Comments Letters SIRS,--The points which Mr. K. Williamson makes (antea, pp. 231-32) in connection with a remark of mine on the distribution of the Alaska Wren (Troglodytes t. alascensis) (antea, pp. 48-49) are of interest not only in regard t o the evolution of wren race...
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Reviews

01 November 1953
Comments Reviews Social Behaviour in Animals. By N. Tinbergen. (Methuen, London, 1953). 12s.6d. IN The Study of Instinct (reviewed in vol. xlv, p. 182) Dr. Tinbergen was concerned with the entire study of animal behaviour and with its results up to 1948. In the present, m...
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Notes

01 November 1953
Comments Notes Effective distraction display by Mallard.--As only a few observations have been recorded indicating the effectiveness of distraction display by a parent bird in deflecting the attention of a potential predator from the young [Bird Display, pp. 104-105) t...
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The song of the Woodpigeon

01 November 1953
Comments Main paper DURING 1948, one of us (J.S.H.), after listening carefully to the singing- of the Woodpigeon (Columba palumbus) and the recording of a number of its songs, came to the conclusion that the song of this species differed from the generally accepted version, ...
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Books Received

01 May 1952
Comments Editorials Bird-watchers' Delight. By John Warham (Country Life. 18s.) The Birds of the Malav Peninsula, Singapore and Penang. By A. G. Glenister. (O.U.P. 35s.) Bird Recognition, 2. By James Fisher (Pelican Books, js. 6d.)...
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Letters

01 May 1952
Comments Letters --The increasing use of various types of colour-marking for the field recognition of birds must lead to confusion between individual experiments unless an authoritative central register can be compiled. The Scientific Advisory Committee of the British Tru...
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Reviews

01 May 1952
Comments Reviews The Study of Instinct. By N. Tinbergen. (Oxford U.P., 1951. 25s.). Field observers have long felt the need of an authoritative, condensed summing up of the vast but fragmentary and often contradictory mass of fact and theory which has been accumulating ab...
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