I need hardly observe that among the ancient mysteries not one is to be found that does not include dancing. Orpheus and Musaeus, the best dancers of their time, were the founders of these rites; and their ordinances show the value they attached to rhythm and dance as elements in religion. To illustrate this point would be to make the ceremonial known to the uninitiated: but so much is matter of common knowledge, that persons who divulge the mysteries are popularly spoken of as 'dancing them out.' In Delos, not even sacrifice could be offered without dance and musical accompaniment. Choirs of boys gathered and performed their dance to the sound of flute and lyre, and the best of them were chosen to act characters; the songs written for these occasions were known as chorales; and the ancient lyric poetry abounded in such compositions. But I need not confine myself to the Greeks. The Indians, when they rise to offer their morning salutation to the Sun, do not consider it enough to kiss their hands after the Greek fashion; turning to the East, they silently greet the God with movements that are designed to represent his own course through the heavens; and with this substitute for our prayers and sacrifices and choral celebrations they seek his favour at the beginning of every day and at its close. The Ethiopians go further, and dance even while they fight; the shaft an Ethiopian draws from that arrow-crown that serves him in place of a quiver will never be discharged before he has intimidated his enemy with the threatening gestures of the war-dance. Having dealt with India and Ethiopia, let us now consider the neighbouring country of Egypt. If I am not mistaken, the Egyptian Proteus of ancient legend is no other than a dancer, whose mimetic skill enables him to adapt himself to every character: in the activity of his movements, he is liquid as water, rapid as fire; he is the raging lion, the savage panther, the trembling bough; he is what he will. The legend takes these data, and gives them a supernatural turn,--for mimicry substituting metamorphosis. Our modern pantomimes have the same gift, and Proteus himself sometimes appears as the subject of their rapid transformations. And it may be conjectured that in that versatile lady Empusa we have but another artist of the same kind, mythologically treated.