And dare, dispatched to a river-head
For a simple draught of the element,
Neglect the thing for which he sent,
And return with another thing instead?—
Saying, "Because the water found
Welling up from underground,
Is mingled with the taints of earth,
While thou, I know, dost laugh at dearth,
And couldst, at wink or word, convulse
The world with the leap of a river-pulse,—