The Call of the Wild.

10. Such words as Paragraph, Article, or Section, when accompanied with a number; as,

Paragraph 26, Article 3.

11. See [Exercise 75].

Exercise 168

The period (.) is used—

1. To indicate the end of a declarative sentence; as,

The business is prosperous.

2. To indicate an abbreviation; as,

The firm of Clark Bros. has opened a new office at 144 Pleasant St., Erie, Pa.