[1] Foureau, Bul. Soc. Géog., June 1, 1883.

[2] Munck has just discovered a similar station at Oburg (Hainault), where similar implements, produced by similar processes as those at Spiennes, were discovered.

[3] Briart, Cornet, and Houzeau: Rapport sur les découvertes faites à Spiennes en 1867. Malise: Bul. Acad. royale de Belgique.

[4] Journal, Ethnological Society, 1818, p. 419.

[5] Académie des Sciences, Nov., 1883. Mat. Jan., 1884. Nature, June 18, 1887.

[6] Nature, June 16, 1887.

[7] Heilbig: “Osservazioni sopra il Commercio del l’Ambra” (Acad. dei Lincei). We must not confound the yellow amber of the Baltic with the red amber found in Italy, in the mountains of Lebanon, and even in some lignites in the south of France. Sadowski: “Le Commerce de l’Ambre chez les Anciens.”

[8] Nephrite is found in Turkestan, in Siberia, and in New Zealand. Deposits of jadeite are known in Burmah, Jeannetay, and Michel—“Note stir la Néphrite ou jade de Sibérie” (Bul. Soc. Minéralogique de France, 1881). Meyer: “Die Nephritfrage kein ethnologische Problem,” Berlin, 1882.

[9] Objects made of chloromelanite have been picked up in thirty-eight of the departments of France. No deposit of it is known now.—Fischer and Damour: Rev. Arch., 1877.