Letters

01 April 1959
Comments Letters CROSSBILLS AT FAIR ISLE, 1956 SIRS,--May I point out some inaccuracies in the data concerning Crossbills (Loxia curvirostra) at Fair Isle in 1956, as given by Mr. F. R. Smith in his interesting paper "The Crossbillinvasion of 1956 and the subsequent breed...
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Letter

01 December 1940
Comments Letters SIRS,--For some years past, Mr. Charles Oldham has regularly published observations on t h e midsummer movements of Swallows, House- and Sand-Martins and Swifts at t h e Tring and Elstree Reservoirs in t h e Transactions of the Herts Nat. Hist. Soc. An id...
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Letter

01 September 1940
Comments Letters SIRS,--Since contributing m y paper on Mrs. C. L . E . Perrott's Selection of British Birds (antea, Vol. X X X I I , p . 122/126) I have learned t h a t there are extant two more copies of this book of which I thought t h e only copy in existence was t h ...
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