Note 20 — Chapter VII · Camps, Fortifications, Vitrified Forts; Santorin; The Towns upon the Hill of Hissarlik.
N. D'Anvers translation
Germany also contains some ancient fortifications, of which the most remarkable are the Heidenmauer of Saint Odila, near Hermeskiel, between the Moselle and the Rhine. Huge stones, piled up without cement, form a triple enceinte, but there is nothing to connect these remains with prehistoric times. It is the same with the intrenchments in the Grand Duchy of Posen, the existence of which was announced at a meeting of the Anthropological Society of Berlin.20 Many of these defensive works, notably those of Potzrow and of Zabnow, bad been erected on piles. In the district between Thorn and the Baltic are numerous mounds of the shape of a truncated cone, the platform of which is surrounded by an embankment some 590 feet in diameter.21 Near many of these were picked up many broken human bones, mixed together in the greatest confusion with weapon, hatchets, and hammers, resembling Neolithic types. Everything bears witness to the struggles of which these mounds were the scene.