II. Mr. William K. Bixby,
Houston, Texas.

III. Dear Sir,—

IV. Your favor * * * * * * * * * *

V. Very truly,
Joseph M. Blain.

In the letter-form above given, there are five parts to be considered:—

I.The Heading.
II.The Address.
III.Introductory Words.
IV.The Body of the Letter.
V.The Conclusion.

I. THE HEADING.

Definition.—The heading consists of the name of the city in which the writer lives, the state, the month, the day of the month, and the year; as,—

Adrian, Mich., Nov. 6, 1877.