The prerogative of primogeniture. Shewing that the right of succession to an hereditary empire, depends not upon grace, &c. but only upon birth-right. And, that the chief Cause of all, or most Rebellions in Christendom, is a Papistical and Fanatical Belief, That Temporal Dominion is founded on Grace. Written on occasion of the Czar of Muscovy's reasons in his late manifesto for the disherison of his eldest son, from the succession to the crown. To which is added, the manifesto it self