¶1By petition to this court for writ of habeas corpus, Charles Page avers that he is imprisoned unlawfully, by J. F. Johnson as sheriff, in the jail of McDowell county. He alleges that, on January 3, 1916, he was arrested, upon a warrant issued by E. S. Crockett, a justice of that county, charged with a violation of §36, ch. 10, Acts 1915, prohibiting the solid shooting of coal, and was taken promptly before said justice, who continued the case until January 10, 1916, the accused *468then entering into a recognizance for his appearance at the time and place fixed for trial; that in the meantime, notwithstanding the pendency of the prosecution before Crockett, then undetermined, petitioner was re-arrested for the same offense, upon a warrant issued by A. C. Hufford, another justice of the county, who after refusal of a continuance on ■motion of the accused and his affidavit of a just defense, tried him for the offense charged, fined, him fifty dollars, and sentenced him to work on the county roads for ninety days. Petitioner prays a release from the alleged unlawful confinement.
¶2Responding to the writ awarded and duly served, actual production of the prisoner before this court being waived, Johnson, as sheriff and jailer, filed a written return, wherein he says he detains the petitioner “by reason of a commitment issued by A. C. Hufford,’ a justice of the peace of McDowell county, directed to this respondent, requiring that he receive and keep said Charles Page in said jail for the period therein set out”.
¶3The mittimus to the sheriff is not, as averred, exhibited with the return, or otherwise filed in this court: A transcript of the proceedings before justice Hufford is lodged with the papers in the case, but is in nowise identified as an exhibit in the petition or return. And, while the fact of imprisonment is stated in the petition and admitted in the return, the cause therefor, whether default as to payment of fine or labor on the public roads, or only imprisonment in the county jail, or other reason, nowhere appears.
¶4But, treating the transcript as properly identified and a part of the file together with the petition and return; it is apparent that, although the penalty prescribed by 'the statute for a violation of its provisions is either a fine or imprisonment, the justice fined and imprisoned petitioner, or fined and sentenced him to work on the county roads for a definite and fixed period and while so laboring to be confined in the jail of the county, and not merely until the compensation allowed therefor was sufficient to discharge the fine imposed and the costs of the prosecution. So that, in either event, the sentence is in.excess of the jurisdiction of a justice, and as to such excess wholly void.
¶5*469Were the sentence severable, as it was in Ex parte Mooney, 26 W. Va. 36, and had the justice jurisdiction of the person and of the offense charged, a similar disposition of the petitioner could be effected here as there. But the sentence is not severable. The excessive sentenc warrants his discharge from custody, but not from the warrant under which he was arrested.
¶6Petitioner, however, while not basing his right to a discharge on the grounds discussed, bases it on the theory that Hufford was without jurisdiction of the person of petitioner or of the offense charged, and hence could not render the judgment under which he is confined, because of the previous arraignment before justice Crockett on a warrant charging the same offense and a recognizance entered into by petitioner for his appearance before Crockett to answer the charge on a subsequent date.
¶7The jurisdiction of justices of the peace is co-extensive with the county, and concurrent' as to all matters cognizable by them. But, although concurrent, the rule that the court which first acquires jurisdiction of any proceeding should be permitted to proceed unmolested to a final determination of all the matters involved applies alike to courts of record and inferior courts, including justices of the peace. Under this rule, Hufford improperly issued the second warrant and undertook to try petitioner, if at the time he knew or was advised of the proceedings before Crockett. If so advised, he arbitrarily and wilfully assumed a jurisdiction which did not rightly belong to him, and thereby subjected himself to just criticism. Indeed, in these circumstances his conduct was reprehensible. But whether he did possess such knowledge, or whether it was in any regular way brought to his attention, the record does not disclose. If it was, however, he had authority to decide whether he properly acquired jurisdiction to try petitioner. If he decided he had, when in fact he did not have, such jurisdiction, he committed an error reviewable upon appeal to the circuit or criminal court, and thence by writ of error to this court if necessary. But mere error in determining questions of jurisdiction in a criminal case by a court of record ox justice' does not authorize a discharge of the accused on writ of habeas corpus. It is not an appellate *470process, but is operative only where one is detained unlawfully upon a void judgment or process or the tribunal rendering the judgment exceeds its lawful authority. Ex parte Evans, 42 W. Va. 242; Ex parte Mooney, supra.
¶8But for other reasons assigned we are of opinion to discharge petitioner from the effect and operation of the judgment and from the imprisonment based thereon, but not from the warrant charging the offense of which he was convicted.
¶9Prisoner discharged.