From the foregoing remarks, etc., especially under Rule 4, it will be perceived that cap­i­tal­i­za­tion is, in the department of theology as in all others, mostly regulated by office style. But in forming a style, the above rules and examples may be found serviceable.

6. The pronoun I, and the interjection O, should always be put up. {p181}

I scarcely knew how long I had sat there when I became aware of a recognition.

Praise the Lord, O my soul.—Ps. cxlvi.

But in Latin the “O” is frequently put down.

Huc ades, ô formosa puer.—Virgil.

Adestes o Maria, o Angele, o Patroni castitatis meæ.—

Libellus Precum, Georgiopoli, D.C.

7. Some words which are put down when spelled in full, are put up when contracted.

The Dr. called upon me. Need I say, I regretted the happiness of seeing the doctor?