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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...

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...

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...

The Food of Nestling Purple Herons in Holland

01 December 1956 Comments Main paper IN late June 1956 we visited two colonies of Purple Herons (Ardea purpurea) in Holland in order to observe feeding and other behaviour for comparison with our studies in England of the Common Heron (A. cinerea). The colonies visited were at the Naardermee...

Obituary: A. W. P. Robertson (1908-1956)

01 December 1956 Comments Obituaries COMMANDER Alexander William Parrish Robertson, R . N . (Retd)., died on 13th June, 1956. Born a t Harlow, Essex, in August 1908 and educated at Harrow, he entered the Royal Navy in 1926 and served in China, the Mediterranean and Australia, followed by ser...

Photographic Studies of Some Less Familiar Birds: LXXVI. Osprey

01 December 1956 Comments Main paper (Plates 65-72) LIKE a number of the birds of prey, the Osprey (Pandion haliaetus) is a widespread species and h a s a breeding-range which extends from Alaska in the north-west to Australia in the south-east. It is, however, mainly a bird of the northern ...

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...

Recent Reports

01 June 1955 Comments News and comment Normally April and May provide us with quite a scattering of vagrants from southern and south-eastern Europe, but this year such wanderers seem to have been rather few. There were two reports of a Little Egret (Egretta gar^etta) on St. Mary's (Isles of Sc...

News and Comments

01 June 1955 Comments News and comment N e w Dictionary of Birds.--Work has been going on in earnest for over five years on a New Dictionary of Birds, a centenary enterprise of the British Ornithologists' Union. The formidable task of organising and editing has been undertaken by Sit Landsboro...

Requests for information

01 June 1955 Comments Editorials Effects of the severe winter of 1962-63.--The severe weather of last winter has probably had a considerable effect on the numbers of some species of birds, and an analysis of this is being undertaken by British Birds as for previous hard winters (e.g. 193...

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