He Affirms That At A Small Distance From The Shore The Lead Finds No Bottom; And That Large Floating Islands Cover The Surface Of The Waters, Which Are Constantly Agitated By The Winds.

No importance can be attached to estimates which, without being founded on any measurement, are expressed in leagues (leguas)

Reckoned in the colonies at three thousand, five thousand, and six thousand six hundred and fifty varas.* (* Seamen being the first, and for a long time the only, persons who introduced into the Spanish colonies any precise ideas on the astronomical position and distances of places, the legua nautica of 6650 varas, or of 2854 toises (20 in a degree), was originally used in Mexico and throughout South America; but this legua nautica has been gradually reduced to one-half or one-third, on account of the slowness of travelling across steep mountains, or dry and burning plains. The common people measure only time directly; and then, by arbitrary hypotheses, infer from the time the space of ground travelled over. In the course of my geographical researches, I have had frequent opportunities of examining the real value of these leagues, by comparing the itinerary distances between points lying under the same meridian with the difference of latitudes.) Oviedo, who must so often have passed over the valleys of Aragua, asserts that the town of Nueva Valencia del Rey was built in 1555, at the distance of half a league from the lake; and that the proportion between the length of the lake and its breadth, is as seven to three.

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