Letters

01 January 1950
Comments Letters SIRS,--I have delayed answering the letter on the above subject from Mr. P. H. T. Hartley (British Birds, xli, pp. 254-255) because the data then available only served to justify his remark that " more investigation is needed." I examined the two sets of ...
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Letters

01 August 1946
Comments Letters --The habit, referred to by several contributors to this and the previous volume T f this journal (antea, Vol. xxxviii, pp. 206, 300, 360, Vol. > xxxix, pp. 159,160) in which parent birds of many species probe into the nest lining beneath the young, has b...
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