Note 19 — The Internal Structure of the Mound.
Reading edition
The descriptions of nearly all the shellmounds explored in other parts of the world tally exactly with this one; cf. Ranke, l. c., II, p. 532, for the Danish Kjökkenmöddinger; Schumacher, on the general similarity of shellmounds of the Pacific Coast with the mounds in Denmark, Smithson. Rep., 1874, p. 355, etc.