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Reviews

01 February 1951 Comments Reviews Skokholm Bird Observatory Reports, 1940--'46, 1947, 1948, 1949. (t940-'46 out of print; others obtainable from Col. H. Allen, D.S.O., M.B.E., The Red House, Heywood Lane, Tenby, price 2/6). These four reports cover a long and chequered period of Skokholm...

Notes

01 February 1951 Comments Notes ...

The effect of a snow-storm on breeding birds

01 February 1951 Comments Main paper THE purpose of this paper is to summarize the effect of the severe snow-storm of April 26th, 1950, on a number of breeding birds, whose nests were under daily observation at the Imperial College Field Station, Silwood Park, Sunninghill, Berkshire, in conn...

Notes on the breeding habits of the Swift

01 February 1951 Comments Main paper DURING the years 1944-1949 some 250 visits were made to the tower of S S . Philip and James Church, Ilfracombe, Devon, in order to study the breeding habits of the Swift (Apus apus). These visits were made at hours ranging from 6.00 to 24.00, B.S.T. The n...

Obituary: Bernard William Tucker (1901-1950)

01 February 1951 Comments Obituaries IT is not much over ten years since Harry Witherby called Bernard Tucker to assist him with the editing' of this Magazine after the death of F . C. R. Jourdain, and it is little more than seven years since, on Harry Witherby's own death, the editorial res...

Letters

01 April 1948 Comments Letters SIRS,--Messrs. Wagstaffe and Williamson's paper (antea, Vol. xl, p p . 322-325), on t h e cabinet colour changes in bird skins, will be read b y all workers in systematic ornithology with great interest. That these changes occur is of course well known, a...

Notes

01 April 1948 Comments Notes IN a recent volume of British Birds (antea. Vol. xxxix, pp. 212 and 340) records are given of Ravens (Corvus c. corax) nesting in heronries. I should like to record that for several years up to 1942, a pair of Ravens nested in a circle of tall pines cont...

The incubation and fledging-periods of the Razorbill

01 April 1948 Comments Main paper THE incubation-period of the British Razorbill (Alca tarda britannica) does not appear to have been accurately recorded. The Handbook of British Birds (Vol. v, p. 146), quotes the incubation-period as "25 days in incubator (F. G. Paynter), 26-30 (O. A. J....

Bird life on Pett level floods, 1941-1943

01 April 1948 Comments Main paper {concluded from p. 70). 1942 {continued). On February 4th, while in a hide, well in the middle of the water, I identified seven Long-tailed Ducks. They came within a few yards of me and two of them were adult drakes, the first I had seen in Sussex. They w...

Further notes on Clutch and brood size in the Robin

01 April 1948 Comments Main paper THE following paper on the breeding biology of the Robin (Erithacus rubecula) is a sequel to that published earlier (Lack, 1946), knowledge of which is assumed. In addition to nesting records for 1946, a number of additional records were received for past...

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Reviews

Notes

The effect of a snow-storm on breeding birds

Notes on the breeding habits of the Swift

Obituary: Bernard William Tucker (1901-1950)

Letters

Notes

The incubation and fledging-periods of the Razorbill

Bird life on Pett level floods, 1941-1943

Further notes on Clutch and brood size in the Robin

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