Letters

01 December 2001
Comments Letters When watching House Martins Delichon urbica in 1967, I wrote in my notebook: `Is the mud for the structure of their nests carried on, rather than in, their beaks?'. My impression then was that the birds carried up the mud on the beak, and pressed it in...
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Letters

01 September 1931
Comments Letters SIRS, May I, in reference to the valuable contribution by Mr. Walpolc-Bond on the " Songs and Cries of the Nuthatch " in your August issue (pp. 70-r), offer mv notes on tile calls of the Hampshire Nuthatch and ask Mr. Walpolc-Bond whether his Sussex birds...
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Letters

01 August 1931
Comments Letters SIRS,--May I suggest that Mr. H. M. Nicholson has scarcely made a happy choice when using Mercator's Chart to illustrate his " Ornithological Transect of the North Atlantic " ? (antea, Vol. XXIV., p. 272). By elementary trigonometry it can readily be show...
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Letter

01 July 1931
Comments Letters C H A F F I N C H E S CAUGHT IN XEST-U1X1XG. To the Editors of BRITISH BiRfls. SIRS,--With reference to the notes on this subject(Vol. XXIV., pp. 103, 125 and 156) Surgeon-Lt.-Cdr. T. H u n t and Surgeon-Lt. F. A. Pearse brought me a hen Chaffinch (Fvingi...
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Letters

01 June 1931
Comments Letters SIRS,--Referring t o Mr. Riviere's Ornithological Report lor Norfolk for 1930 (antea, Vol. XXIV., pp. 306-318) m a y I be allowed t o make the following slight additions. SPRING MIGRATION.--As little has been recorded the following m a y be of interest. M...
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