General observations on the ancient monuments of the Mississippi Valley
Earthworks, enclosures, works of defence
Sacred enclosures
Monuments of the Southern States
Monuments of the North-West
Earthworks, the mounds, mounds of sacrifice
Mounds of sepulture
Temple mounds
Anomalous mounds, mounds of observation, stone heaps
Remains of art found in the mounds, pottery and articles of clay
Implements of metal
Ornaments of metal
Implements of stone, etc.
Ornaments of stone, bone, etc.
Metals, fossils, minerals, etc. of the mounds
Crania from the mounds
Sculptured or inscribed rocks
Concluding observations.