Page:Travels to Discover the Source of the Nile - In the Years 1768, 1769, 1770, 1771, 1772, and 1773 volume 1.djvu/265

Rh makes such a noise and disturbed appearance, that it fills the mind with confusion rather than with terror.

saw the miserable Kennouss (who inhabit the banks of the river up into Nubia, to above the second cataract) to procure their daily food, lying behind rocks, with lines in their hands, and catching fish; they did not seem to be either dexterous or successful in the sport. They are not black, but of the darkest brown; are not woolly-headed, but have hair. They are small, light, agile people, and seem to be more than half-starved. I made a sign that I wanted to speak with one of them; but seeing me surrounded with a number of horse and fire-arms, they did not choose to trust themselves. I left my people behind with my firelock, and went alone to see if I could engage them in a conversation. At first they walked off; finding I persisted in following them, they ran at full speed, and hid themselves among the rocks.

says, that, in his time, the city of Syene was situated so directly under the tropic of Cancer, that there was a well, into which the sun shone so perpendicular, that it was enlightened by its rays down to the bottom. Strabo had said the same. The ignorance, or negligence, in the Geodesique measure in this observation, is extraordinary; Egypt had been measured yearly, from early ages, and the distance between Syene and Alexandria should have been known to an ell. From this inaccuracy, I do very much suspect the other measure Eratosthenes is said to have made, by which he fixed the sun's parallax at 10 seconds and a v.i.u