run out of date, and afterwards compleat such survey and return certificate thereof before the two years expire, you are to observe that such beginning to run or execute a warrant is to be deemed a nullity, provided such warrant actually run out of date before the survey shall be completed and certificate returned according to the obvious construction of such warrant; and in case the party does not renew it, as if no such beginning had been made, you are to consider such warrants as out of date and expired, and give the preference to any subsequent warrant, which shall come to your hands to affect such land agreeable to the preceding direction.     " 8th. Whereas resurveys are often made to throw, or leave, out land that is suggested to be within older surveys, and great abuses have been committed by turning out indifferent land (although it lay not in elder surveys or prior patented tracts) and taking in good land in lieu thereof, you are when a warrant for making such resurvey is hereafter brought to you, first to resurvey according to its ancient metes and bounds the more ancient tract (in which part of the tract that you are required by the warrant put into your hands to resurvey, shall be said to be included, and in your certificate you are to insert the name of such more ancient tract, the name of the patentee thereof, and the time when it was taken up) after which you are to resurvey the tract, for resurveying which, the warrant put into your hands shall have been granted. This mode of proceeding will enable you to discover certainly, whether any and what part of the younger tract is included in, and taken away by the older survey, and you are always by proper words to denote and distinguish the same in your plot, and in your certificate; after alledging that you have surveyed the several tracts separately according to their ancient metes and bounds (beginning with the most ancient) and that you have added acres of vacant land (in case any vacancy to be added by virtue of the before mentioned warrant of resurvey) you are then to describe or give the outlines of such resurvey, which you are by the warrant directed to make, and for which patent is to be issued (saying) " lastly beginning for the out lines of the " resurvey, by virtue of the before mentioned warrant at," &c. and at the bottom of your certificate you are to give tables of courses (referring by figures to the plot) viz: the courses of the more ancient tract, or tracts into which it is alledged that such younger survey to be resurveyed does run, the courses of the former survey now to be resurveyed, the courses of the vacancy, or vacancies added, and lastly, the courses of the resurvey, or land for which patent is now to issue, and when you rectify any error in such former survey,