Pre-historic Races of the United States of America

American animals antiquity Archæology arrow-heads artificial Bayou beds bones bronze builders burial Central America character charcoal chert Chicago civilization clay climate continent copper coronal suture crania Creek deposit described diameter earth elephant Epoch Europe European evidence excavation existence extinct feet high feet in height fifty figure flattened flint foramen magnum fossil fragments frontal frontal bone grave Grave Creek Mound head Herodotus hundred Illinois implements inches Indian indicate inferred Lake layer Löess mastodon material ments Merom Mexico miles Mississippi Missouri Mound-builder's Mound-builders mounds musk-ox Natchez nearly observed occipital Ohio origin ornaments parietal peculiarity Perry County Pliocene portion pottery pre-historic Professor pyramidal race region reindeer relics represented River seen shell-heaps shells side skeletons skull soil species specimens Squier and Davis stone structure superciliary ridges surface suture tion traced trees tribes tumuli Valley walls Wisconsin zygomatic arches