The New Testament interpretation of the Old relative to infant baptism, as a special ground thereof, and warrant therefor-- : particularly in these four leading points, viz. I. The covenant with Abraham. II. Circumcision the seal of that covenant. III. The Jewish church under the ceremonial law. IV. The breaking off of the Jews from their church-state, and the grafting in of the Gentiles ... : Written letter-wise to Mr. Isaac Backus, occasioned by his late answer to Mr. F----'s letter in favour of infant baptism.--In which answer Mr. Backus asserts that we construe the New Testament by the Old, in order to support infant baptism: but the reverse of that is shewn to be true. /