umerals)--On 4th piece close by (so much).
LOP (numerals)--On 4th piece open by (so much).
LT--Left.
LL--Left from the left.
LR--Left from the right.
LE (numerals)--Left (so much).
MD--Move down.
ML--Move to your left.
MR--Move to your right.
MU--Move up.
MO (numerals)--Move (so much).
N--Annul, cancel.
O--What is the (R. N., etc.)? Interrogatory.
(Ardois and semaphore only.)
. . - - . .--What is the (R. N.. etc.)? Interrogatory.
(All methods but ardois and semaphore.)
P--Affirmative. Yes.
PS--Percussion. Shrapnel.
QRQ--Send faster.
QRS--Send slower.
QRT--Cease sending.
R--Acknowledgment. Received.
RS--Regimental station.
RL--Right from the left.
RR--Right from the right.
RN--Range.
RT--Right.
S--Subtract.
SCL (numerals)--On 2d piece close by (so much).
SOP (numerals)--On 2d piece open by (so much).
SH--Shell.
SI--Site.
SSS--Support needed.
T--Target.
TCL (numerals)--On 3d piece close by (so much).
TOP (numerals)--On 3d piece open by (so much).
U--Up.
Y (letter)--Such battery station.

CHAPTER XIII.

FIRST AID RULES.

The bandages and dressings contained in the first-aid packet
have been so treated as to destroy any germs thereon. Therefore,
when dressing a wound, be careful not to touch or handle that
part of the dressing which is to be applied to the wound.

A sick or injured person should always be made to lie down on his
back, if practicable, as this is the most comfortable position,
and all muscles may be relaxed.

All tight articles of clothing and equipment should be loosened,
so as not to interfere with breathing or the circulation of the
blood. Belts, collars, and the trousers at the waist should be
opened.

[Illustration: FIG. 1.]

Don't let mere onlookers crowd about the patient. They prevent
him from getting fresh air and also make him nervous and excited.

In case of injury the heart action is generally weak from shock,
and the body, therefore, grows somewhat cold. So don't remove
any more clothing than is necessary to expose the injury.

Cut or rip the clothing, but don't pull it. Try t