What I have here to say is rather in the nature of an apology than of a preface or advertisement. The very title of a Treatise upon the art of dancing by a dancing-master, implicitly threatens so much either of the exageration of the profession, or of the recommendation of himself, and most probably of both, that it cannot be improper for me to bespeak the reader's favorable precaution against so natural a prejudice. My principal motive for hazarding this production is, indisputably, gratitude. The approbation with which my endeavours to please in the dances of my composition have been honored, inspired me with no sentiment so strongly as that of desiring to prove to the public, that sensibility of its favor; which, in an artist, is more than a duty. In most of the nations among the antients, dancing was not only much practised, but constituted not even an inconsiderable part of their religious rites and ceremonies. The accounts we have of the sacred dances, of the Jews especially, as well as of other nations, evidently attest it.