SIRS,--With reference to Colonel Ryves's note (antea, Vol. xxxix, p. 375} oa a clutch of two eggs only, of the Blackbird (Turdus »». merula), I wish to point out that this number of eggs for a full clutch is not extremely abnormal. I cannot but think that it was an oversight on the part of (the late) Rev. F. C. R. Jourdain that no mention was made in The Handbook of British Birds of the fact ...

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