Appendix. 471

at the Rate above-mentioned, according to the Length of the Time
between the Date of the Certificate of each respective Survey, and
the Date of the first Experiment and Observation of the Variation
by this Act directed as aforesaid; and from and after the said first
Experiment and Observation, a farther Allowance shall be made, at
such Rate as the Needle shall be found to vary, or to have varied,
from the Direction it had at the Time of the said first Experiment
and Observation: That is to say, in running the Line and Courses
of all such Lands, the Instrument by which they are run, shall always

be directed to the Left Hand of the Courses mentioned in the Cer-
tificate, or Patent, so many Degrees and Minutes, as such Allow-
ances shall amount unto, computing the Time from the Date of the
Certificate until the Time of such Running; and that in running the
Lines, and Courses, of any Tract of Land of an older Date than
Forty Years back, so far as the Limits of such Tract of Land depend
on Course and Distance only, there shall be allowed, for Variation,
Two Degrees and no more, up to the Time of the Experiment and
Observation before-mentioned; and from and after the Time of the
said Experiment and Observation, the same Allowance shall be made,
and in the same Manner, in the Lines and Courses thereof, as in
younger Surveys; and the Lines and Courses of all Lands run, with
the Allowance and Allowances for variation, as in this Act directed,
shall be deemed and taken to be the true Lines or Courses of the
said Lands.

And be it enacted, That it shall and may be lawful for every Per-
son, together with the Surveyor of the County, and Two or more
reputable Freeholders of the Neighbourhood, not related to either
of the Parties, or interested in the Lands, to run out and adjust the
Lines of his Lands, according to the Directions of this Act, and to
set up marked Stones, or other durable marked Boundaries, at the
End of every Line of his Land, if he shall think proper, first giving
Notice to all Persons concerned, of the Time, and Place proposed
for running and setting up such Boundaries, by affixing publick
Notes, at the Parish Church where the Land lies, Three Sundays
at the least before the Time appointed, for running and setting up
such Boundaries, and putting up the like Notes in the most publick
Place of the County, Twenty Days before the Day thereby appointed;
and where all Persons interested are known, and any One of them
lives out of the County, then Notice shall be given, by affixing a
Note at the Church Door of the Parish Church in which such Party
resides, Forty Days at the least before the Time thereby appointed
for such running and setting up of Boundaries; of which Notice,
and the Publication thereof, according to the Directions of this Act,
proper Certificates shall be produced to the Surveyor and Free-
holders, before the running and adjusting the Lines of any Land,
and setting up of Boundaries as aforesaid. And if such Surveyor and