the corporal of the guard, and also, if necessary, will arrest the
offender.

No. 4: =To repeat all calls from posts more distant from the
guardhouse than my own.= (165)

=1727.= To call the corporal, or the guard, for any purpose other than
relief, fire, or disorder (Pars. 1728 and 1734), a sentinel will call,
"=Corporal of the guard, No. (--)=," adding the number of his post. In
no case will any sentinel call, "=Never mind the corporal="; nor will
the corporal heed such call if given.

No. 5: =To quit my post only when properly relieved.= (166)

=1728.= If relief becomes necessary, by reason of sickness or other
cause, a sentinel will call, "=Corporal of the guard, No. (--),
Relief=," giving the number of his post. (167)

=1729.= Whenever a sentinel is to be relieved, he will halt, and with
arms at a right shoulder, will face toward the relief when it is
thirty paces from him. He will come to a port arms with the new
sentinel, and in a low tone will transmit to him all the special
orders relating to the post, and any other information which will
assist him to better perform his duties.

No. 6: =To receive, obey, and pass on to the sentinel who relieves me,
all orders from the commanding officer, officer of the day, and
officers and noncommissioned officers of the guard only.= (168)

=1730.= During this tour of duty a soldier is subject to the orders of
the commanding officer, officer of the day, and officers and
noncommissioned officers of the guard only; but any officer is
competent to investigate apparent violations of regulations by members
of the guard. (169)

=1731.= A sentinel will quit his piece on an explicit order from any
person from whom he lawfully receives orders while on post; under no
circumstances will he yield it to any other person. Unless necessity
therefor exists, no person will require a sentinel to quit his piece,
even to allow it to be inspected. (170)

=1732.= A sentinel will not divulge the countersign (Pars. 1769 to
1777) to anyone except the sentinel who relieves him, or to a person
from whom he properly receives orders, on such person's verbal order
given personally. Privates of the guard will not use the countersign
except in the performance of their duties while posted as sentinels.

No. 7: =To talk to no one except in line of duty.= (171)

=1733.= When calling for any purpose, challenging, or holding
communication with any person, a dismounted sentinel, armed with a
rifle