Sec. 391.

Maliciously injuring or mutilating library books—Any person who shall wilfully, maliciously or wantonly tear, deface or mutilate or write upon, or by other means injure or mar any book, pamphlet, map, chart, painting, picture, photograph, periodical, newspaper, magazine, manuscript or exhibit or any part thereof belonging to or loaned to any public library, or to the library of any literary, scientific, historical or library society or association, whether incorporated or unincorporated, shall be guilty of a misdemeanor.