Never Before Published in this Kingdom: But is Now Published for the Benefit of the Public in General, By James Ross the Author ; Who, from a Number of Years Practice, and Making it His Continual Employ, Flatters Himself, that by Publishing this His Useful Art of Catching All Those Mischievous Vermin, He Shall Render Himself Worthy of the Esteem of the Public, and a Valuable Member to the Community in General