¶1Respondent was indicted for perjury in the circuit court for the County of Wayne, and the indictment was certified to the recorder’s court for trial, where he was convicted. The perjury charged was in giving testimony in a chancery suit against his father, himself and others, concerning the consideration and circumstances of certain conveyances alleged to be fraudulent.
¶2The solicitor for the complainant against whom Hurst had testified in the matter out of which this prosecution grew was against objection allowed to assist in the prosecution of the criminal suit. This case comes so plainly within the rule as laid down in Meister v. People, 31 Mich., 99, and Sneed v. People, 38 Mich., 248, as to need no extended discussion. The mischief aimed at by the excluding rule is the prosecution of criminals by counsel who represent private interests, and who cannot be supposed to be impartial. The peculiar methods whereby the end is brought about of getting him into the case are not important. That he was approached by the complainant’s agents in the first instance and declined to be retained except for the county, and was then retained by the county, cannot change the position of affairs, or render him any less biased.
¶3It was evidently his position in the civil case which secured his employment; and the fact that the assistant prosecuting attorney — who has no power in the matter at all — was not approached by the parties and received no suggestions from them, is of no consequence, and could not do away with the objection. If any question of fact was made, the court could not properly act upon any such unsworn suggestion without the consent of the defense.
¶4The question of fact involved on the trial for perjury was chiefly the existence of certain deposits in the Detroit Savings Bank. Objection was made to proof *331derived from pass-books and other books of the bank, although aided by the testimony of bank officers. The testimony showed that pass-books issued by numbers, having no name indorsed, and that a book was kept in which the depositor’s signature was written opposite his number, showing to whom the money was to be paid. There was evidence of the correctness of the pass-books and of their conformity with other books. The record does not show very clearly what objections were made in this regard, but no error that is suggested seems to us of any force. The pass-books and the signature-books are original documents forming part of the res gestee, and we can conceive of no possible reason wrhy they are not as good evidence until impeached for error as any other mutual transaction evidenced by writing. There is in the brief a suggestion not fully borne out by the record, that secondary evidence was given of some of the bank entries. If so, we see nothing wrong in it. Banks are subject to the performance of duties to the public which might be seriously interfered with if they were compelled to carry the books needed in their daily business into every court or tribunal where testimony is to be introduced concerning them. Books belonging in public offices cannot be removed from their legal custody without some strong necessity for their production. While bank books are not public to the same extent, yet the business which the corporations are required to transact cannot be done unless the books are usually preserved where they belong. The blotter, which is the book specially referred to, being the book of original entries, must be in constant demand, and we see no reason why its contents may not bo shown without production of the original, in ordinary cases, where no question of genuineness is likely to arise requiring a personal inspection.
¶5The court was right in passing upon the materiality of the testimony. That must always be a question of law. This is too elementary to be worthy of consideration.
¶6*332The chief objection made was to the jurisdiction of the recorder’s court to try the indictment. The grounds of objection are chiefly constitutional, and are first, that the court was organized under a law whose title did not indicate the subject passed upon; and second, that powers have been granted which could not lawfully be given to the court.
¶7These are very serious questions, and deserve careful attention. That the charter containing the provisions complained of is open to much criticism is beyond doubt. It is a confused and blind collection of enactments and' amendments which we have had reason to regard as a very peculiar system. But it has been in force over twenty years, so far as the provisions now to be considered are concerned, and during' that period multitudes of criminals have been punished under it, and many judgments have been rendered and enforced, without any dispute concerning their validity. It is entitled to' such presumptions as long practical construction and acquiescence always create.
¶8The act in question is entitled “an act to revise the charter of the city of Detroit,” approved February 5th, 1857. Chapter 6 of this revised charter relates to the “Recorder’s Court,” and among other things provides that the court shall have original and exclusive jurisdiction of all prosecutions for crimes committed in Detroit, not cognizable by the police court or by justices of the peace; but this was not to prevent the grand jury of Wayne County from inquiring into crimes committed within the city. Section 5. Another section (sec. 13) required that “All indictments for offenses committed within the limits of the City of Detroit, which may be found and presented to the circuit court for the County of Wayne, by the grand jury of said county, shall be forthwith certified and transmitted by the clerk of said circuit court to said recorder’s court; and thereupon said recorder’s court shall have a full and complete jurisdiction of said indictments, as if the same had been *333originally presented to said recorder’s court, and shall have full power to take all further proceedings thereon.” Charter, ch. 6, § 120. The court also was given jurisdiction of by-law eases, and some others.
¶9There is much awkwardness in including within a city charter provisions affecting judicial proceedings in courts having general jurisdiction outside and beyond the city. But by the previous charter of Detroit there had. always existed a municipal court known as the mayor’s court, in which the recorder might sit alone. Laws 1847, p. 96. The charter of 1857 creating the recorder’s court, gave it the same jurisdiction with the old mayor’s court to whose powers and duties it succeeded, but in addition it gave the criminal jurisdiction before mentioned, which had up to that time been in the circuit court for the County of Wayne.
¶10We think that it cannot be said the increase of jurisdiction of this court can be held beyond the purview of a city charter if the court could be provided for at all. But the court in some form had always been
¶11regulated by the city charter, before the constitution of 1850 was adopted, and must be regarded as not improperly included. We think that the court, so far as it could be entrusted with jurisdiction at all, was lawfully provided for in the charter, and did not need a separate statute.-
¶12We are not now called on to decide upon the validity of any of this legislation except as applied to the case before us. The question is whether the recorder’s court can lawfully try crimes, and whether it can do so on an indictment found in the circuit court for the county of Wayne.
¶13The constitution provides that “Municipal courts of civil and criminal jurisdiction may be established by the Legislature in cities.” Article 6, sec. 1.
¶14We have already held that the Legislature need not confer both civil and criminal jurisdiction on the same court. People ex rel. Covell v. Treasurer of Kent County, 36 Mich., 332.
¶15*334We have also considered that there was no objection to giving them jurisdiction of the same kinds of cases originally triable in the circuit courts, so long as no constitutional authority of the circuit courts should be interfered with. People ex rel. Jones v. Judge of Kent Circuit, 35 Mich., 494; Heath v. Kent Circuit Judge, 37 Mich., 372; Allen v. Kent Circuit Judge, 37 Mich., 474.
¶16We find nothing in the constitution to prevent original jurisdiction in a municipal court over crimes committed within a city. No provision has been suggested having such an effect, and the original jurisdiction of circuit courts, civil and criminal, is subject to legislative exceptions. They have jurisdiction when not “prohibited.” Article 6, § 8.
¶17Nor is there any rule that we are aware of why suits may not be transferred from one court of original to another court of concurrent jurisdiction, unless at such a stage as to involve a conflict. This subject was considered as to civil causes in the cases before cited. The practice is not unknown in criminal cases.
¶18A change of venue in this State where we have no nisi prius system, is to all intents and purposes beyond mere form, a transfer of causes. In the courts of the United States criminal indictments may be transferred for trial from district to circuit courts and vice versa. Eev. Stat. of U. S., §§ 1037-1039. It was a very usual practice at common law to remove indictments before trial into the Queen’s Bench from the quarter sessions and assizes, and from the mayor’s court of London, counties palatine and special jurisdictions, and to transfer them from one commission to another. Fitzh. N. B., 243, 245, 246; 1 Hale P. C., 157, 158; 2 Hale P. C., 41, 44, 147, 198, 211, 212, 213.
¶19The objection concerning the summoning of juries from a smaller vicinage than at the circuit can hardly have much force, inasmuch as it was formerly regarded as desirable if not essential to select as many jurors as possible from the immediate neighborhood where the *335offense was committed. A jury of the city in this respect is more correctly a jury of the vicinage than one taken from the body of the county.
¶20Without attempting to speculate on the very extreme possibilities put forth on the argument, we have not been satisfied that the legislation giving exclusive jurisdiction to the recorder’s court of crimes committed in Detroit is invalid. The older legislation under the first constitution had given the police court of Detroit exclusive jurisdiction for 'the trial of petty offenses committed in the city, and the examination of all others. This court was preserved by the Constitution of 1850, and the' Detroit recorder’s court is the result of legislation of the same character. It is quite possible some powers- given to that court are illegal, but we do not discover any defect in its original criminal jurisdiction to try indictable offenses. It will be time enough to consider the position of a circuit court in a county which is coterminous with a city when such a county is created, and when municipal courts are continued within it.
¶21We discover no error except in the allowance of assistance in the prosecution by the counsel of private prosecutors. We are not at liberty to overlook such an error from any impression that the conviction would have been had without him. The rejection of such prosecutors is in the public interest and the rule is one which should be enforced.
¶22It must be certified to the recorder’s court that the verdict should be set aside and a new trial had on the indictment.