Among the Hesperian Æthiopians is the fountain of Nigris, by
many, supposed to be the head of the Nile. I have already mentioned the arguments by which this opinion is supported.[1] Near
this fountain, there is found a wild beast, which is called the
catoblepas;[2] an animal of moderate size, and in other respects
sluggish in the movement of the rest of its limbs; its head
is remarkably heavy, and it only carries it with the greatest
difficulty, being always bent down towards the earth. Were
it not for this circumstance, it would prove the destruction of
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