The covenant sealed. Or, A treatise of the sacraments of both covenants, polemicall and practicall. : Especially of the sacraments of the covenant of grace. In which, the nature of them is laid open, the adæquate subject is largely inquired into, respective to right and proper interest. to fitnesse for admission to actual participation. Their necessity is made known. Their whole use and efficacy is set forth. Their number in Old and New Testament-times is determined. With several necessary and useful corollaries. Together with a brief answer to Reverend Mr. Baxter's apology, in defence of the treatise of the covenant. /