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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...

Reviews

01 July 1939 Comments Reviews Transactions of the Hertfordshire Natural History Society and Field Club, Vol. X X I , Part I. T H I S contains a very well deserved tribute to Mr. Charles Oldham, signed by a number of naturalist friends and addressed to him on the occasion of his sevent...

Notes

01 July 1939 Comments Notes I THINK it will be of interest to record a case of bigamy in Montagu's Harrier (Circus pygargus), which I had under observation in England during the summer of 1938. It is well known that this species has a tendency to nest in small colonies, but I do no...

On the Courtship-display of the Goldeneye

01 July 1939 Comments Main paper THE courtship-display of the Goldeneye (Bucephala c. clangula) is perhaps more spectacular than that of any other duck and therefore has attracted the attention of several naturalists who have described it at considerable length. Among them I may mention ...

The Vocal Activity of Blackbirds at a winter Roost

01 July 1939 Comments Main paper THE noise made by the Blackbird (Turdus m. merula) in going to roost is a characteristic part of the countryside in winter, and is associated in the minds of many with a frosty evening. The following note describes an attempt to measure these roosting ca...

Rising and Roosting of a pair of Resident Starlings in Winter and early Spring

01 July 1939 Comments Main paper THOUGH the roosting of flocks of the Starling (Sturnus vulgaris) has been well studied by Wynne-Edwards, in England work on the roosting, of individuals does not seem to have been so thoroughly done, so that the following observations made on a pair in th...

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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

Reviews

Notes

On the Courtship-display of the Goldeneye

The Vocal Activity of Blackbirds at a winter Roost

Rising and Roosting of a pair of Resident Starlings in Winter and early Spring

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