1. Follow Postal-Guide contractions for States and Territories (except Oregon, for which use Oreg.) after names of forts, barracks, arsenals, navy-yards, naval stations, post-offices, counties, military or Indian reservations, and Indian agencies. Note the following examples:

POSTAL-GUIDE CONTRACTIONS.

2. Titles of courtesy and professional titles preceding names will be contracted or spelled according to the following list:

Note.—When any of the titles marked with an asterisk, with or without the Christian name, precedes “de,” use lower-case “d;” otherwise use capital “D.” This rule applies also to “du,” “von,” “van,” etc.

3. Military and official titles preceding names will be spelled out in text when the Christian name or initial is not used, but in tabular work and where the Christian name or initial is used the annexed list will be the guide:

4. Distinguishing titles and college degrees, following names, will always be contracted, as jr., sr., esq.; Ph. D., LL. D.; U. S. A., U. S. N. (See also under “Capitalization.”)

Note.—The contractions “U.S.A.” and “U.S.N.,” for United States Army and United States Navy will be used when so written. When written “U.S. Army” or “U.S. Navy,” spell in full, as—

5. In parenthetic references to books use “p.” and “pp.” for page and pages, and “sec.” and “secs.” for section and sections.

6. “St.” will be used for Saint, but Fort and Mount will not be abbreviated.

7. Use “etc.” instead of “&c.” Use the character “&” in firm names, but not in titles of companies having geographic or commercial words as part of the corporate name, nor in literary, scientific, artistic, or musical companionships. Examples:

8. Comprehensive examples of the use of the word “Company” and its contraction “Co.” are given above. (See also “Contractions” under “Tabular work.”)

9. Do not use abbreviation “U. S.” except in connection with naval and other vessels of the Government, as U.S.S. Kearsarge, U.S. gunboat Katahdin, U.S. monitor Miantonomoh, U.S. torpedo boat Ericsson, U.S. light-house tender Maple, etc.; but the contraction may be used in signature and address lines where extreme length makes it desirable.

10. Set references to scriptural texts as follows: Genesis xv, 24; II Samuel viii, 9–13; St. Matthew vii, 5.

11. Streets of the District of Columbia: Fifth street NW.; Florida avenue NE.; Four-and-a-half street SW.

12. Where compass directions are contracted, use the forms NE., NNW., etc.

13. Use “F.” for Fahrenheit and “C.” for centigrade when temperatures are given.

14. Use “Pl.” and “Fig.” for plate and figure before roman numerals, as Pl. VI, Fig. XII; “pl.” and “fig.” before figures, as pl. 6, fig. 12.

15. Use “Rev. Stat.” for Revised Statutes, and “Stat. L.” for Statutes at Large, in citations.

16. Set abbreviations for section, township, range, etc., thus: SE. ¼ sec. 5, T. 9 N., R. 2 E.

17. Use “loc. cit.” for loco citato; “op. cit.” for opere citato; “sp. gr.” for specific gravity, and “sp. nov.” for species nova.

18. Where the metric system of weights and measures is used, follow copy, and where contractions occur use roman lower-case or superior letters, according to indicated preference, as “cm. or ^cm,” for centimeter; “mm. or ^mm,” for millimeter; “c. c. or ^cc,” for cubic centimeter.

19. After “per cent” and “viz” omit the period.

20. References to Congressional documents: House Ex. Doc. No. 6, Forty-seventh Congress, second session; Senate Mis. Doc. No. 10, Forty-sixth Congress, first session.

21. Use “v.” (versus) in all cases except “fol.” and “fol. lit.”

22. The symbol “^m/_n,” used in connection with South American financial statements, will be spelled “national money,” in parentheses, immediately following the amount, as $146 (national money); Rs. 146 (national money).

23. English money will be expressed by the use of the symbols “£” “s.” “d.” when amounts are given, as £227 14s. 6d.

(See also “Contractions” under “Tabular work,” “Supreme Court records,” and “Court of Claims opinions, briefs, and decisions.”)

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