CHAPTER V. MOUNDS AND EARTHWORKS IN OHIO. Ancient Fortified Inclosures at Circleville.—Discoveries in a Burial Mound.—Alligator Totem near Newark.—Fort Ancient.—Age of Trees growing upon the Ramparts at Fort Hill.—Traditions.—Geometrical Ground Plans of Indian Inclosures.—Conclusions. · Travels Amongst American Indians, Their Ancient Earthworks and Temples / Including a Journey in Guatemala, Mexico and Yucatan, and a Visit to the Ruins of Patinamit, Utatlan, Palenque and Uxmal