Of what can be with so much ease explained.

Henry.

A timely illustration will make clear

What seems so difficult. The cunning fowler,

As the bird glances by him, watches for

The feathery form he aims at, not where it is,

But on one side; for well he knows that he

Shall fail to reach his fleeting mark, unless

He cheat the wind to give its helpful tribute

To his shot. The careful, hardy sailor,—