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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...

Notes on Breeding of Black Redstarts in Kent

01 February 1941 Comments Main paper IN the summer of 1940 I was fortunate enough to be able to make some observations on two pairs of Black Redstarts (Phasnicurus o. gibraltariensis), which I found breeding in the Medway area in Kent. I watched the first pair ("A") as often as possible and ...

Notes

01 January 1941 Comments Notes ON November 2nd, 1940, in a field with small trees at the edge of a wood near Potter's Bar, I was fortunate enough to have an opportunity of watching a bird, which was evidently a Lesser Grey Shrike (Lanius minor). The bird flew to the top of a bare hawt...

Recovery of Marked Birds

01 January 1941 Comments Main paper Thornton - le - dale (Yorks), Bedlington (Northumb), 4.1.39, by R. M. Garnett. 7-3-4°Wetherby (Yorks), 30.1.2.39, by Preston (Lanes), --.2.40. Bootham School. Gt. Budworth (Ches), 12.11.38, Grantham (Lines), Spring, by A. W. Boyd. 194°Ditto 22.11.37. M...

Some Notes on the Scottish Crested Tit

01 January 1941 Comments Main paper THESE notes on the Scottish Crested Tit (Parus c. scoticus) are supplementary to those already published by Winifred M. Ross [i] and D. Nethersole-Thompson [2]. They are the result of four visits to the Cairngorm country in 1935, 1937, 1938 and 1940, duri...

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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

Notes on Breeding of Black Redstarts in Kent

Notes

Recovery of Marked Birds

Some Notes on the Scottish Crested Tit

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