"In the elaborate opinion of the judges delivered by Willes, J, to the House of Lords in Mayor of London v Cox[23], it is said that 'upon an application being made in proper time, upon sufficient materials, by a party, who has not by misconduct or laches lost his right, its grant or refusal is not in the mere discretion of the Court;' and at 283 of the same case it is said: 'Where, however, the defect is not apparent, and depends on some fact in the knowledge of the applicant which he had an opportunity of bringing forward in the Court below, and he has thought proper, without excuse, to allow that Court to proceed to judgment without setting up the objection, and without moving for a prohibition in the first instance, although it should seem that the jurisdiction to grant a prohibition in respect of the right of the Crown is not taken away, for mere acquiescence does not give jurisdiction[24]; yet, considering the conduct of the applicant, the importance of making an end of litigation, and that the writ, though of right is not of course, the Court would decline to interpose, except perhaps upon an irresistible case, and on excuse for the delay, such as disability, malpractice, or matter newly come to the knowledge of the applicant.'