832                         LAWS OF MARYLAND.                  [CH. 323

supervision of such child, and of the person or persons respon-
sible for or contributing to the condition of such child; and
that the child is a minor without proper care or guardianship,
and it shall be sufficient that the affidavit to the facts set forth
in the petition is on information and belief.

Upon the filing of the petition a summons shall issue requir-
ing all persons named in the petition to appear at a place
and time stated in the summons which time shall not be less
than twenty-four hours after service. Such summons may be
served by the sheriff or constable, or police officer, or a proba-
tion officer. If the person summoned shall fail to appear, the
court may issue an attachment for such person's personal at-
tendance in court at the time to be stated therein, and upon
the execution of the attachment such person may give bond
for his appearance at the time stated therein in such sum as
the court may direct. If it shall h^ made to appear by affi-
davit, that there are good reasons to believe, that any person
proceeded against under this sub-title will leave the jurisdic-
tion of the court before the day set for the trial of the pro-
ceedings herein, the court may cause a warrant to issue directed
to the sheriff or an officer authorized by law to serve a war-
rant commanding such officer to take the person named there*
in, and bring him forthwith before the court, or the judge
thereof, and the court or judge thereof, may thereupon require
such person to give bond for his appearance at the time named
for trial, or may make such interlocutory orders as are proper
in the premises.

72. The Magistrate for Juvenile Causes in Baltimore City,
or any county, shall have jurisdiction in all cases of prelim-
inary hearing of persons charged with offenses under the pre-
ceding sections of this sub-title, and concurrent jurisdiction
with the courts upon waiver of a jury trial by the accused to
hear, try and determine the case. Upon conviction or sub-
mission for sentence, the magistrate may pass sentence or make
an order or orders to take a bond as provided in the preceding
sections. If the magistrate is satisfied, by information and
due proof under oath, at any time during the year that the
defendant has violated the terms of the order, he may issue
his warrant for the apprehension of the defendant and forth-
with proceed to sentence. In the event of violation of the
recognizance, it may be forfeited and transmitted with a memo-
randum of the forfeiture to the Court of Criminal Jurisdiction
to be filed among its records and enforced as recognizances