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 ...

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, ...