Huius autem rei index est stella Canopi, quae his regionibus est ignota, renuntiant autem negotiatores, qui ad extremas Aegypti regiones proximasque ultimis finibus terrae terminationes fuerunt.
A proof of this is the star Canopus, which to us in these regions is unknown. Yet it (i.e. the fact of southern constellations) is reported by merchants who have been to the farthest parts of Egypt and the limits nearest to the ultimate bounds of the earth.
final_alignments\Vitruvius_Architecture_Book_9.json