A LETTER from Dr. R. H. Bellairs, of Cheltenham, appeared in the Times of June 14, describing the performance “by a wild bird, probably a thrush, of the arpeggio of the common chord in tune, ...

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When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The term ‘chromatic mediants’ probably isn’t something you’ll have come across very often in your ...

THE, records of birds' songs given in the Times of June 14 and following days, and referred to in the interesting article by Dr. W. Warde Fowler in NATURE of June 29, are almost entirely confined to ...