The lawyer who, for the last two decades has kept abreast of the literature of the law, is appreciative of the fact that no branch of the old law has received such scientific and scholarly treatment, as has the law of evidence, and few of the more modern fields have been as thoroughly and intelligently cultivated. Led by Professor Thayer in that incomparable series of essays gathered under one title in his Preliminary Treatise on Evidence at the Common Law, followed by Professor Wigmore with his edition of Greenleaf\u27s first volume, and later by his great work Evidence in Trials at Common Law, and this work of Professor Wigmore followed in turn by the exhaustive treatise of Mr. Chamberlayne who had previously given us the best America...