Letters

01 March 1959
Comments Letters "SUB-SONG" AND "SECONDARY SONG" SIRS,---With regard to the paper by Miss P. M. Piicher and myself on "The nature of sub-song" (antea, vol. li, pp. 509-514), I very much regret to find that we were incorrect in stating that the term "sub-song" was used by ...
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Letters

01 August 1953
Comments Letters S I R S , -- I was most interested to read the account by J. D. Macdonald of t h e recovery of an albatross in Derbyshire (antea, pp. I I O - I I I ) and to see the accompanying photograph (plate 13), because in m y opinion the bird was a Yellow-nosed Alb...
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