Title: A Treatise Concerning the Covenant and Baptism Dialogue-wise, between a Baptist & a Poedo-Baptist, Wherein is shewed, That Believers only are the Spirituall Seed of Abraham; Fully discovering The Fallacy of the Argument drawn from the Birth Priviledge. With Some Animadversions upon a Book Intituled Infant-Baptism from Heaven and not of men, Defending the Practise of Baptizing only Be- lievers against the Exceptions of M.Whiston