Letters

01 December 1976 Comments Letters Migration in the doldrums D. I. M. Wallace expressed an atavistic 'Viewpoint' (Brit. Birds, 68: 202-203) that it was time for 'a resumption of migration studies related to conservation', and suggested setting up a working party to promote it. T...
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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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