[3] Revue des Questions Scientifiques, April, 1887.
[4] “Odyssey,” book ix., v. 105–124.
[5] Æschylus: “Prometheus Bound.”
[6] A. Maury: “La Vieille Civilisation Scandinave,” Revue des Deux Mondes, September, 1880.
[7] F. de Olivera: “As Raças dos Kjoekkenmoeddings de Mugem,” Lisbon, 1881.
[8] Report Peabody Museum, 1882.
[9] Report Peabody Museum, 1882 and 1885.
[10] Brinton: “Notes on the Floridian Peninsula,” Philadelphia, 1849.
[11] We take many of these details from Dr. Gross’ excellent work on the “Pile Dwellings of Switzerland.”
[12] Virchow: “Drei Schädel aus der Schweiz.”