This heraldic handbook, printed in London in 1765, is by Mark Anthony Porny, who was French-Master at Eton College, preferred till our days by the British ruling class: which could not ignore, of course, the rules of Heraldry! This elegant work is enriched with 24 plates, displaying as samples as many as 293 coats of arms of the lay and ecclesiastical Aristocracy of the United Kingdom.

As its frontispiece says, the books contains what follows:

- A clear Definition, and concise historical Account of that ancient, useful, and entertaining Science. - The Origin, Antiquity, and divers kind of Coats-of-arms, with their essential and integrated Parts considered separately. - The several sorts of Escutcheons, Tinctures, Charges and Ornaments used for Coats-of-arms. - The Marks whereby Bearers of the same Coat-of-arms are distinguished from each other. - Charges formed of Ordinaries, Celestial Figures, Animals, Birds, Fishes, Vegetables, Artificial and Chimerical Figures. - The Laws of Heraldry; practical Directions for Marshalling Coats-of-arms, and the Order of Precedency. With several fine Cuts, and twenty-four Copper-Plates, containing above five hundred different Examples of Escutcheons, Arms, &c. And interspersed with the natural History, and allegorical Signification of the several Species of Birds, Beasts, Fishes &c. comprehended in this Treatise, to which is annexed a Dictionary of the Technical Terms made use of in Heraldry.