This was their businessto harass and torment, to retard flight, to stop their prey again and again until their masters came to finish the kill.

There were other difficulties, trivial in appearance, harassing, vexatious, insurmountable in reality, that yet seemed from day to day about to vanish; so they waited, and temporised, and hesitated, till the opportunity came of escaping together, and they availed themselves of it without delay.