Sentence:  That in case of a <WSD>hue and cry</WSD> once raised and levied upon supposal of a felony committed, though in truth there was no felony committed; yet those, who pursue <WSD>hue and cry</WSD>, may arrest and proceed as if a felony had been really committed. 
Meaning of the word marked with <WSD> tags:  The public pursuit of a criminal, accompanied by shouts to warn others to give chase.