(9) Mathews, W. "Navaho Gambling Songs," American Anthropologist, II (1889), 1-20.

(10) Hearn, Lafcadio. "Three Popular Ballads," Transactions of the Asiatic Society of Japan, XXII (1894), 285-336.

(11) Ellis, Havelock. "The Philosophy of Dancing," Atlantic Monthly, CXIII (1914), 197-207.

(12) Hirn, Yrjö. The Origins of Art. A psychological and sociological inquiry. Chap. xvii, "Erotic Art," pp. 238-48. London, 1900.

(13) Pater, Walter. Greek Studies. A series of essays. London, 1911.

(14) Grosse, Ernst. The Beginnings of Art. Chap. viii, "The Dance," pp. 207-31. New York, 1898.

(15) Bücher, Karl. Arbeit und Rhythmus. 3d ed. Leipzig, 1902.

(16) Lhérisson, E. "La Danse du vaudou," Semaine médicale, XIX (1899), xxiv.

(17) Reed, V. Z. "The Ute Bear Dance," American Anthropologist, IX (1896) 237-44.

(18) Gummere, F. B. The Beginnings of Poetry. New York, 1901.