and political society were not yet even rudimentarily separated, have brought down this rule of succession to historical times. With them, it seems to have existed in the form of a positive canon, that, failing the eldest son, his next brother succeeds in priority to all grandsons, whatever be their age at the moment when the sovereignty devolves. Some writers have explained the principle by assuming that the Celtic customs took the last chieftain as a sort of root or stock, and then gave the succession to the descendant who should be least remote from him; the uncle thus being preferred to the grandson as being nearer to the common root. No objection can be taken to this statement if it be merely intended as a description of the system of succession; but it would be a serious error to conceive the men who first adopted the rule as applying a course of reasoning which evidently dates from the time when feudal schemes of succession begun to be debated among lawyers. The true origin of the preference of the uncle to the grandson is doubtless a simple calculation on the part of rude men in a rude society that it is better to be governed by a grown chieftain than by a child, and that the younger son is more likely to have come to maturity than any of the eldest son's descendants. At the same time, we have some evidence that the form of Primogeniture with which we are best acquainted is the primary form, in the tradition that
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