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Letters

01 September 1963 Comments Letters S I R S , -- W i t h reference to t h e article on " The Breeding-habits of t h e Dartford Warbler," and t o t h e statement on page 218, I have never seen a Dartford Warbler's nest in England, a n d know nothing of their habits in this country. I n t h e...

Reviews

01 September 1963 Comments Reviews British Diving Ducks. By J. G. Millais, F.Z.S., M.B.O.U., Vol. II. Seventeen coloured and twenty-five uneoloured plates. Longmans. In two volumes, £12 12s. net. IN our last volume (pp. 365-70) we gave an extended notice of the fisst part of Mr. Mill...

Notes

01 September 1963 Comments Notes A YOUNG drake Gadwall {Anas strepera) was shot on J a n u a r y 14th, 1913, a t Stretton. I saw t w o K n o t s (Canutus canutus) on October 12th, 1913, a t Bellfields Reservoir. I watched t h e m for some time through powerful glasses, a n d when one fle...

Erythrism in the Eggs of British Birds.

01 September 1963 Comments Main paper ALTHOUGH many scattered notes on this subject may be found in the various ornithological journals, very little has hitherto been done to collect these separate records; and beyond a short note by Adolf Kricheldorff in the Zeitschrift fur Oologie, XIII., ...

Reviews

01 February 1961 Comments Reviews Vara Faglar i Norden (Our Birds in the North). Second edition edited by Kai Curry-LindaM (Swedish text). Bokforlaget Natur och Cultur, Stockholm, 1959 and i960. Volumes I and II, 1022 pages; coloured and black-and-white plates, and maps, (Four volumes: Sw...

Notes

01 February 1961 Comments Notes Ring-necked Duck in Co. Armagh.--A male Ring-necked Duck (Aythya collaris) stayed on the lake in the Public Park, Lurgan, Co. Armagh, from 20th March till 1st May i960 and was seen on many occasions by various observers. It then disappeared, but returned ...

Some photographic studies of the Nightjar

01 February 1961 Comments Main paper I N G E N E R A L W E TRY to publish photographs for their biological interest or because they illustrate points of identification, rather than for their aesthetic value. This aim is always borne in mind in the selection and presentation of the photograph...

An interpretation of variation in the dark-headed forms of the Yellow Wagtail

01 February 1961 Comments Main paper variation to be seen in the Yellow Wagtail (Motacilla flava). T h e chief mistake made by most investigators has been that of splitting the group into too many forms on the basis of too few specimens, the most flagrant example of this being in the monogra...

The " Lesser Scaup " problem

01 February 1961 Comments Main paper observations in Britain of ducks that were thought to be Lesser Scaups (Aythya affinis), a North American species not recorded in Europe. This note is based on a detailed examination of one of these --that first seen at Sutton Courtenay, Berkshire, in Dec...

Letters

01 February 1961 Comments Letters The Len Howard Appeal Sirs--All readers of Miss Len Howard's books Birds as Individuals and Living with Birds have been distressed to learn that her life's work is threatened by building on the land next to her garden sanctuary. For twenty-one years Miss ...

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Letters

Reviews

Notes

Erythrism in the Eggs of British Birds.

Reviews

Notes

Some photographic studies of the Nightjar

An interpretation of variation in the dark-headed forms of the Yellow Wagtail

The " Lesser Scaup " problem

Letters

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