times of introductions. Book titles, dedications, and formal printed pieces which require an occasional use of numbers usually present these numbers in the form of roman numerals, but this is not obligatory. The date line of the title-page of the ordinary book is frequently in arabic figures.
The numbers of the chapter headings in a table of contents are put in roman numerals, usually in capitals, but sometimes in small capitals.
NUMERALS FOR MAGNATES AND CENTURIES
The numerical part of the names of magnates is usually put in capital letters, and the name proper is kept in lower-case, as Gregory IX, Henry VIII, etc.; but the large size and the frequent recurrence of these capitals seriously disfigure a page that has many names of like character. To avoid this blemish, small capitals may be preferred when they are a trifle higher than the round letters of the lower-case and are sufficiently large and distinct. They should not be used when they are not higher and are condensed or compacted.
Centuries and dynasties are often specified by numerals in capital letters, as in XIXth century, XXIId dynasty; but the undue prominence of the roman numerals in a lower-case text is a needless blemish. Small capitals when sufficiently large may be substituted with advantage.
Many writers make use of spelled-out words in
