common to be invariably attractive and interesting; it is not unlike the winding up of an old-fashioried watch or a musical box, if you imagine the key turned very slowly at first, then more and more quickly, until the position of the winder's hand compels him to rest for a moment and begin the operation afresh. Once more we are reminded of the Alps; for this is the bird which is so nearly related to Bonelli's Warbler, and so like that little friend of mine in habits, appearance, and voice. A most curious voice is his, and though not strictly musical, very far from unpleasing to the ear; the silvery "shivering " quality of it which White noticed long ago has a way of craving your attention, and growing upon you as it comes nearer and nearer. Patience is necessary if we would see the bird fairly; and the only way is to sit and wait till you have caught him, even but for an instant, with your unassisted eye, and marked the tree in which he is searching for food. He will not wander far, unless you pursue him; the nest is in the fern not far away, and the persistence of his note makes it probable that his wife is still sitting on eggs, and that the duty of finding food for hungry young has not yet begun. Watch him till he comes near enough to show you how all a bird's mind is put into his song; as he utters it his long, closed wings are slightly opened and shaken, and his bill opens wider and wider,
