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Letters

01 April 1929 Comments Letters SIRS,--The observations conducted b y Messrs. Ingram and Salmon on the dives of the Long-tailed Duck (antea, p . 264) reopen a veryinteresting question, and one which, I think, is still some way from being satisfactorily answered. In estimating the averag... Read More

Letters

01 January 1929 Comments Letters SIRS,--May I be spared a little space to invite the attention of your readers to the Annual Report of the Oxford Ornithological Society on the Birds of Oxfordshire, Berkshire and Buckinghamshire. This Report, the last issue of which you were good enough t... Read More

Notes

01 November 1928 Comments Notes IN the following cases during 1928, from west Sussex, the period of incubation has been calculated from the day on which the last egg was laid until the day or days of hatching. The fledging-period from the day or days of hatching until the day or days o... Read More

Notes

01 October 1928 Comments Notes THE attached Table shows the numbers of eggs in the clutch of various species found near Mawgan in Cornwall. The figures are taken from my diaries of the last four years and represent the clutches after full incubation had commenced. It has been my habit... Read More