Title: Ultima Manus. Being Letters Between Mr. John Humfrey, and Mr. Samuel Clark, In reference to the Point of Justification; Written upon the Occasion of Mr. Clark's Printing his Book on that Subject, after Mr. Humfrey's Book entituled The Righteous- ness of God; and published for Vindication of that Doctrine where- in they agree, as found, by shewing the difference of it from that of the Papist, and the Mistake of our common Protestant. In order to an impartial and more full understanding of that great Article, by the Improvement of that whereto they have attained, or Correction of any thing wherein they err, by better Judgments. Together with Animadversions on some late Papers between Presbyterian and Inde- pendent, in order to reconcile the Difference, and fix the Doctrine of Christ's Satisfaction. Mediocria firma