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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...

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....

Letters

01 January 1938 Comments Letters SIRS,---Miss Hibbert-Ware (Little Owl Inquiry, antea, pp. 215-216) prefaces her remarks on Little Owls 011 Skokholm Island, Pembrokeshire, with the w o r d s : " T h e following incident seems, however, t o contradict these conclusions [that t h e Little ...

Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

01 January 1938 Comments Main paper THE formation of a Bird Observatory at Skokholm, off the South Wales coast, has provided opportunities for testing the homing capacities of various nesting sea-birds, after the manner of Watson and Lashley [8] with other sea-birds, and more recently Ruppe...

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Letters

The incubation and fledging-periods of the Razorbill

Letters

Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

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