Note 126 — CHAP. XIII. Attempts of the Ancients to discover the Source of the Nile—No Discovery made in latter Times—No Evidence of the Jesuits having arrived there—Kircher’s Account fabulous—Discovery completely made by the Author.
Reading edition
Another reason why I think this journey of the centurions is fictitious is, that they say the distance between Syene and Meroë is 660 miles. Plin. lib. 6. cap. 29.