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Reviews

01 November 1947 Comments Reviews British Game. By Brian Vesey-Fitzgerald. (The New Naturalist series, Collins, London, 1946). Price 16s. This is the first of the New Naturalist series to be concerned primarily with birds. I t is not exclusively so concerned because mammals are also inclu...

Notes

01 November 1947 Comments Notes ON a fine morning in April, 1946, a number of Blackbirds (Turdus m. merula), Song-Thrushes (Turdus e. ericetorum) and Starlings (Siurnus v. vulgaris) were watched while feeding on a large lawn of King's College, Cambridge. The Starlings spent most of the...

The Colour-Phases of the Fulmar

01 November 1947 Comments Main paper THE Handbook (Vol-, iv, p. 79) contains a statement of mine on the distribution of the colour phases of the Fulmar (Fulmarus g. glatialis) which is erroneous. It runs ;--"proportions of dark birds are-- Brit. Is. up to 2 per cent., except Shetland, where...

Studies of some species Rarely Photographed. XI. The Rufous, Sardinian and Olivaceous Warblers

01 November 1947 Comments Main paper (Plates 32-39)THE unique photographs of these three warblers were taken at Habbaniya on the Euphrates in Iraq during the war by Mr. A. Stubbs, who has contributed some useful notes on all three species as observed in that locality. All three are on the Br...

The Growth of a young Cuckoo

01 November 1947 Comments Main paper A SERIES of observations was made in June, 1946, upon the growth of a young Cuckoo (Cuculus c. canorus) in the nest of a HedgeSparrow (Prunella modularis occidentalis) near Oxford. The nest was in one of the dividing privet hedges of the back gardens of a...

The Tendency of the blackbird and Song-Thrush to breed in their birthplaces

01 November 1947 Comments Main paper THE degree of inbreeding of a population is of obvious importance from the point of view of the differentiation of races and species. An analysis was therefore made of the ringing returns for British Blackbirds (Turdus m. merula) and Song-Thrushes (Turdus...

Notes on the winter territory of a Pair of mute swans

01 November 1947 Comments Main paper by nature Mute Swans (Cygnus olor) are aggressive birds, even in the breeding season they are found together, and are, according to The Handbook, "outside breeding season sociable and often seen in parties." Some (usually) fortnightly notes on the territ...

Cabinet colour-changes in bird-skins and their bearing on racial segregation

01 November 1947 Comments Main paper IN view of the present-day tendency towards the further subdivision, mainly on fine colour distinctions, of the accepted races of some British birds, we think it opportune to place on record some observations which have been made during the course of rece...

Letter

01 February 1941 Comments Letters S I R S , -- I t has long been known t h a t there is a remarkable relation between t h e Short-eared Owl (Asio flammeus) and the common field-vole (Microtus agrestis). The common vole at apparently regular intervals increases in numbers in different loca...

Review

01 February 1941 Comments Reviews Ritchie (1940), " An analysis of t h e influence of weather upon a migratory movement of birds," Proc, Roy, Soc, Edin., Vol. 60, P- 299.analysis of t h e d a t a relating t o t h e 1921 invasion of t h e Waxwing (Bombycitta garrulus) and t h e associated...

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