And he, twice baffled, did meanwhile again
From that scant rill to slake his thirst prepare;
When, down the crags descending, of his train
One cried, “O Monarch, for thy life forbear!
XII.
“Coiled in these waters at their fountain head,
And causing them so feebly to distil,
A poisonous snake of hugest growth lies dead,
And doth with venom all the streamlet fill.”