"About six a Clock this Evening, we began to ascend up the Pico, but being now a Mile advanced, and the Way no more passable for our Horses, we quitted and left them with our Servants: In this Mile's Ascent some of our Company grew very faint and sick, disorder'd by Fluxes, Vomitings, and aguish Distempers, our Horses Hair standing upright like Bristles; but calling for some of our Wine, which was carried in small Barrels on a Horse, we found it so wonderfully cold, that we could not drink it till we had kindled a Fire to warm it, altho' yet the Temper of the Air was very calm and moderate. But when the Sun was set it began to blow with that Violence, and grew so cold, that taking up our Lodging under certain great Stones in the Rocks, we were constrained to keep great Fires before the Mouths of them all Night.
"About four in the Morning we began to mount again, and being come about a Mile up, one of the Company fail'd, and was able to proceed no farther. Here began the black Rocks. The rest of us pursued our Journey till we came to the Sugar-loaf, where we began to travel again in a white Sand, being fore-shod with Shoes whose single Soles are made a Finger broader than the upper Leather, to encounter this difficult and unstable Passage; being ascended as far as the black Rocks, which are all flat, and lie like a Pavement, we climbed within a Mile of the Top of the Pico, and at last we gained the Summit, where we found no such Smoak as appeared a little below, but a continual breathing of a hot and sulphurous Vapour, which made our Faces extremely sore.
"In this Passage we found no considerable Altera-
