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HE manner in which cadency is indicated in heraldic emblazonment forms one of the most important parts of British armory, but our own intricate and minutely detailed systems are a purely British development of armory. I do not intend by the foregoing remark to assert that the occasional use, or even, as in some cases, the constant use of altered arms for purposes of indicating cadency is unknown on the Continent, because different branches of one family are constantly found using, for the purposes of distinction, variations of the arms appertaining to the head of their house; in France especially the bordure has been extensively used, but the fact nevertheless remains that in no other countries is there found an organised system or set of rules for the purpose. Nor is this idea of the indication of cadency wholly a modern development, though some, in fact most, of the rules presently in force are no doubt a result of modern requirements, and do not date back to the earliest periods of heraldry in this country.

The obligation of cadet lines to difference their arms was recognised practically universally in the fourteenth century; and when, later, the systematic use of differencing seemed in danger of being ignored, it was made the subject of specific legislation. In the treatise of, de Notitia juris Belgici, lib. xii., quoted also in, Recherches du Blazon, p. 218, we find the following:—

"Ut secundo et ulterius geniti, quinimo primogeniti vivo patre, integra insignia non gerant, sed aliqua nota distincta, ut perpetuo linæ dignosci possint, et ex qua quique descendant, donec anteriores defecerint. Exceptis Luxenburgis et Gueldris, quibus non sunt ii mores." (The exception is curious.)

The choice of these brisures, as marks of difference are often termed, was, however, left to the persons concerned; and there is, consequently, a great variety of differences or differentiation marks which seem to have been used for the purpose. The term "brisure" is really French, whilst the German term for these marks is "Beizeichen."

British heraldry, on the contrary, is remarkable for its use of two