and Lord Edmond Fitzmaurice, who had contemplated supplementing his "Life of Petty" by an edition of Petty's works, generously surrendered his intention upon learning that a similar undertaking was already under way.
The editor has endeavoured to include all of Petty's published writings which bear upon economic or statistical subjects. The "Observations upon the Bills of Mortality of London," though they probably were not written by Petty, are also reprinted—not less on account of their intrinsic merits than because of their close connection with his acknowledged works. The text selected for reproduction is, in each case, that of the best published edition, and the original paging is indicated in the margin. By good fortune authentic manuscripts of several of the works are still preserved, and their readings, given in the foot-notes, make a number of passages clear which, as heretofore printed, were confusing or absurd. One considerable tract, the "Treatise of Ireland," and a few fragments, are added from manuscripts hitherto unpublished.
The notes are confined, for the most part, to the economic or biographical aspects of the passages commented upon, and no attempt has been made to elucidate purely historical questions. Thus when Petty asserts that in the Irish Court of Claims after the Restoration all claimants were fully heard, the editor does not enter upon a discussion upon that disputed point. In the introductory sections, likewise, he has not used the opportunity to sketch the general history of political economy apropos of Petty and Graunt, but has confined himself to such remarks as are thought to bear directly upon them and their writings. On the other hand
