WALKING ON BURNING COALS.
Sir David Brewster assumes that the power of walking upon coals and hot iron unharmed depends partly upon a certain horny hardness of the cuticle, and partly upon the action of some chemical substance with which the cuticle has been smeared. The conjuror Richardson made himself famous in England by chewing burning coals, pouring melted lead upon his tongue, and swallowing melted glass. Sir David Brewster considers these feats to have been in part real, and in part a deception.
