It is particularly necessary that none of the hospital tables and orders, which are to be hung up in a conspicuous place in every regimental hospital, shall be defaced by any person whatever, nor taken down, but by the surgeon or serjeant, the latter of whom will explain the allowance ordered for those patients who are not themselves in a situation to read the table for the distribution of diet.

O.

O. This letter is generally used in the orderly books to signify orders, viz.

Gl. O. General orders.

R. O. Regimental orders,

Gn. O. Garrison orders.

B. O. Brigade orders.

OATH, a solemn asseveration made in the presence of a magistrate, and taken on the Bible, whereby an individual binds himself to observe certain conditions, or swears to specific facts which he knows of his own knowlege. Soldiers from time immemorial have been accustomed to take oaths of fidelity. These oaths were, however, observed with greater solemnity among the ancients than they are administered in modern armies, except upon very particular occasions. In the latter, indeed, it seldom or ever happens, that oaths are taken by bodies of soldiers, assembled for the purpose. Oaths are taken by men newly enlisted, but those oaths are individually administered, and separately taken. The military oath, on the contrary, among the Romans, was of a more general and impressive nature. Kennett, in his Roman Antiquities, page 188, gives the following account of it:—“The levies being finished, the tribunes of every legion chose out one whom they thought the fittest person, and gave him a solemn oath at large, the substance of which was, that he should oblige himself to obey the commanders in all things to the utmost of his power, be ready to attend whenever they ordered his appearance, and never to leave the army but by their consent. After he had ended, the whole legion, passing one by one, every man, in short, swore to the same effect, crying, as he went by, Idem in me. The same by me.”

OATH of Allegiance. See [Allegiance].

OATS, a grain which constitutes a principal food of horses in Europe. The distribution of this article ought to be narrowly watched by every officer commanding a troop; since it is notorious, that government is frequently charged for quantities which are not delivered, by which means, the horse suffers, and the public are imposed upon.