Letters

01 November 1966
Comments Letters Fault-bars as a means of ageing birds Sirs,---Last year I read a letter by C. J. Mead on the ageing of birds by means of fault-bars (Brit. Birds, 58: 227-228), in which he referred to the work of W. E. Glegg who noted fault-bars on the tails of 737 bird s...
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Letters

01 December 1964
Comments Letters SIRS,--While not seeking to prolong this correspondence unduly, for there is more than a grain of truth on either side, I feel that some reply is called for to Mr. Reginald Wagstaffe's letter (antea, pp. 319-320). May I point out at once that I do not dis...
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