Burial Mounds, [401];

disputes Putnam’s view of the mounds, [402];

presentations of his views on the moundbuilders, [402];

on the elephant pipes, [404];

on the builders of the mounds, [407];

on the effigy mounds, [408], [409];

on the stone graves of Tennessee, [410];

on the Etowah mounds, [410];

conducts mound explorations, [439];

Maya and Mexican MSS., [440].