Introductory 123 Manatee 125 Toucan 135 Paroquet 139 Knowledge of tropical animals by Mound-Builders 142 Other errors of identification 144 Skill in sculpture of the Mound-Builders 148 Generalization not designed 149 Probable totemic origin 150 Animal mounds 152 The "Elephant" mound 152 The "Alligator" mound 158 Human sculptures 160 Indian and mound-builders' art compared 164 General conclusions 166