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Others, conjecturing the truth included in this story, say, that
Achelous is reported to have resembled a bull, like other rivers, in the
roar of their waters, and the bendings of their streams, which they term
horns; and a serpent from its length and oblique course; and
bull-fronted because it was           to a bull’s head; and that
Hercules, who, on other occasions, was disposed to perform acts of
kindness for the public benefit, so particularly, when he was desirous
of contracting an alliance with Œneus, performed for him these services;
he prevented the river from overflowing its banks, by constructing
mounds and by diverting its streams by canals, and by draining a large
tract of the Paracheloïtis, which had been injured by the river; and
this is the horn of Amaltheia.