N. A.—North America.

Nah.—Nahum.

Nat. Hist.—Natural History.

Nath.—Nathanael or Nathaniel.

N. B.—New Brunswick; North Britain; Nota bene, mark well; take notice.

N. C.—North Carolina.

n. d.—No date.

N. E.—New England; Northeast.

Neb.—Nebraska.