text:  When the procession reached the door they found the whole inside of the schoolhouse already packed with urchins and blackguards of all kinds who having previously gained admission by the window had forcibly barricaded the door against the constables being assisted in the defence thereof by the mob without who formed a double line and kept hustling the poor usher and the constables from side to side helping themselves to a purse or two in passing and calling out at the same time "take care of pickpockets"--occasionally amusing themselves also by playfully smashing the beaver of some of the justices of the peace over their face to the tune of "all round my hat " sung in chorus on the Mainzerian system amidst peals of laughter