on shell heaps, [392];
on Jeffries Wyman, [392];
on the Great Serpent mound, [401];
his position on the question of moundbuilders, [402];
on their skulls, [403];
on Fort Ancient, [408];
in the Little Miami Valley, [408];
on Fort Azatlan, [408];
on stone graves in Tennessee, [410];
on the Kentucky mounds, [410];