Note 323 — Chapter IV · MARKET DAYS

D. F. S. Clavigero, Storia antica del Messico, Cesena, 1780, ii, 62, 163; B. de Sahagun, Historia general de las cosas de Nueva España, transl. Jourdanet and Siméon, Paris, 1880, pp. lxxiii, 290 sq.; A. von Humboldt, Vues des Cordillères, Paris, 1816, ii, 340; G. Brühl, Die Culturvölker Alt-Amerikas, New York, 1887, p. 234; J. Kohler, “Das Recht der Azteken,” Zeitschrift für vergleichende Rechtswissenschaft, 1895, xi, 75, 87; E. J. Payne, History of the New World called America, Oxford, 1892-1899, ii, 359. A greater market or fair was sometimes held once in every cycle of twenty days, that is, on every fourth ordinary market day. Eighteen market months were included in the solar year. How such “months” may arise is illustrated by a Yoruba mode of computing time by periods of seventeen days, that being the number of days in four market weeks, when the first and fifth days of each cycle are counted in (Ellis, Yoruba-speaking Peoples, pp. 149 sq.).