Page [130].

The surface rolls and fluctuates to the eye.

The prairies of the West, with an undulating surface, rolling prairies, as they are called, present to the unaccustomed eye a singular spectacle when the shadows of the clouds are passing rapidly over them. The face of the ground seems to fluctuate and toss like billows of the sea.

Page [131].

The prairie-hawk that, poised on high,
Flaps his broad wings, yet moves not.

I have seen the prairie-hawk balancing himself in the air for hours together, apparently over the same spot; probably watching his prey.

Page [131].

These ample fields
Nourished their harvests.

The size and extent of the mounds in the valley of the Mississippi indicate the existence, at a remote period, of a nation at once populous and laborious, and therefore probably subsisting by agriculture.

Page [132].