We are not assisted in finding out the truth, if, instead of founding our
calculations and conjectures on the distance sailed in the six days, we
take for their basis the distance which Pytheas states Thule to be from the
equator. This distance, we have already mentioned, was 46,300 stadia;
which, according as the different kinds of stadia are calculated upon, will
give respectively the latitude of the south of Greenland, of the north of
Iceland, or of the west coast of Jutland; or, in other words, the limit of
Pytheas' voyage will be determined to be in the same latitude, whether we
ascertain it by the average length of the day and night's sail of the
vessels of the ancients, or by the distance from the equator which he
assigns to Thule. It may be proper to state, that there is a district on
the coast of Norway, between the latitudes of 60 deg. and 62 deg., called Thele, or
Thelemarle. Ptolemy supposes this to have been the Thule of Pytheas, Pliny
places it within three degrees of the pole, Eratosthenes under the polar
circle. The Thule discovered by Agricola, and described by Tacitus, is
evidently either the Orkney or the Shetland Islands.
It may appear presumptuous as well as useless, after this display of the
difficulties attending the question, to offer any new conjecture; and many
of our renders may deem it a point of very minor importance, and already
discussed at too great length.
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