Barking dogs never bite. Illustration shows President McKinley walking onto the White House grounds with a woman labeled Prosperity, passing a group of barking dogs labeled Anti-prosperity, Silverites, Anti-trust, Anti-expansion, and Socialist. The woman, dressed in a red, white, and blue outfit, may represent Columbia or possibly Mrs. McKinley; she is wearing a winged hat like that of the Roman god Mercury, though may also represent Minerva, the Roman goddess and patroness of commerce and trade. Date 1900 July 18. Barking dogs never bite. Illustration shows President McKinley walking onto the White House grounds with a woman labeled Prosperity, passing a group of barking dogs labeled Anti-prosperity, Silverites, Anti-trust, Anti-expansion, and Socialist. The woman, dressed in a red, white, and blue outfit, may represent Columbia or possibly Mrs. McKinley; she is wearing a winged hat like that of the Roman god Mercury, though may also represent Minerva, the Roman goddess and patroness of commerce and trade. Date 1900 July 18.