The Nile produces the crocodile, a destructive quadruped, and equally dangerous on land and in the water. This is the only land animal that does not enjoy the use of its tongue,[98] 89 and the only one that has the upper jaw movable, and is capable of biting with it; and terrible is its bite, for the rows of its teeth fit into each other, like those of a comb. Its length exceeds eighteen cubits. It produces eggs about the size of those of the goose, and, by a kind of instinctive foresight, always deposits them beyond the limit to which the river Nile rises, when at its greatest height. There is no animal that arrives at so great a bulk as this, from so small a beginning. It is armed also with claws, and has a skin, that is proof against all blows. It passes the day on land, and the night i............