156 The Period of Constitution Making service and won its renown in safeguarding the liberties of the people from the encroachments of monarchy; while through the jury outside the courts the king drew the people into all sorts of public work and responsibility,1 even the House of Commons growing largely out of the jury principle. On the continent, the sworn inquest had no such development. From Charlemagne to William the Conqueror, it had remained almost unchanged, and every- thing which has made it a notable or admirable institution it has gained on English soil. There was little change in the inquest until the reign of Henry II. William I. and succeeding kings had occasionally used it in connection with judicial matters,2 but there was no regularity or special purpose in such use; if the king were interested in a certain case and wished the facts, he would use this method, just as in other subjects of local inquiry. When Henry II. made use of it in determining whether a disputed holding were free alms or lay fee, he was not applying it to a new subject-matter; but when this preliminary procedure in the king's court grew into the assize utrum, this royal method of learning the truth necessarily became the most important part of the pro- cedure in the new action. The same thing was true of the other new actions of this reign; and, in the old actions that were drawn into the king's court, the jury trial be- came optional with one or both parties to the suit.3 It 1 See below, Pt. III., § II., 4, passim. 2 For examples, see A. and S., document 2, and W. and N., pp. 51-55. 3 In this connection arose the technical distinction between assize and jury. The assizes, i.e. the grand assize and the four petty assizes (the three possessory assizes and the assize utmm) were perfected by Henry II. through definite legislation. In them the new procedure by jury—assize it was called in these cases—-was obligatory. In them the question of fact was formulated in the original writ and the first step was the summoning of^the jury by the sheriff. In other civil actions in the king's court, the original writs said nothing of a jury; but if a question of fact arose in the pleadings it was optional with the parties whether or not this should be submitted to a jury—jury here used in a narrower, technical sense to dis- tinguish it from assize. This might happen even in the assizes, where, if through an exception raised by either party the question of fact came to differ from that stated in the original writ, the parties might consent to submit it to a jury, and, as it was said, the assize was turned into aj«ry. The a?sizes were limited in number; the great growth of the jury in civil