Read it through once

It was not until the two boys had scoured, with great rapidity, through a most intricate maze of narrow streets and courts, that they ventured to halt beneath a low and dark archway. Having remained silent here, just long enough to recover breath to speak, Master Bates uttered an exclamation of amusement and delight; and, bursting into an uncontrollable fit of laughter, flung himself upon a doorstep, and rolled thereon in a transport of mirth.