It is an interesting speculation whether an able court does not tend naturally because of its own high level of efficiency to require of others a greater facility in matters of procedure than may reasonably or practically be expected. The New York Court of Appeals now furnishes an occasion for such a speculation. That able tribunal has recently gone far to reEstablish the requirement that the pleader must have and stick to one theory of his cause of action. It has stated, in reversing a judgment because of lack of a jury trial, that the inherent and fundamental difference between actions at law and suits in equity cannot be ignored, coupling with this some encomiums upon the necessity of exact pleading which have a distinctly antiquarian ...