An incendiary.

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1872.  —Why, those chaps that are setting folks on to burn us all up in our beds. Political firebugs we call ’em up our way. Want to substitoot the match-box for the ballot-box.—Holmes, ‘The Poet at the Breakfast-Table,’ chap. i. (N.E.D.)

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1883.  It is believed that there exists an organized band of “firebugs.”Pall Mall Gazette, Sept. 6. (N.E.D.)

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1888.  The last of the trio of fire-bugs arrested last fall was removed to the insane asylum.—Missouri Republican, Feb. 22 (Farmer).

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1909.  It has been decided that yesterday’s first fire was not due to the torch of the “fire-bug.”N.Y. Evening Post, April 15.

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