Rats being killed; 鈥楾he celebrated Dog Billy killing 100 Rats at the Westminster Pit'. The dog; Billy; killed 100 rats; as a wager; in under twelve minutes on the 13th May 1821.Image taken from P. E.'s Anecdotes of the turf; the chase; the ring; and the stage embellished with thirteen coloured plates; designed from nature; and etched by T. Lane.Originally published / produced in London; 1827.London; 1827.From: P. E.'s Anecdotes of the turf; the chase; the ring.C. 71. f. 7; London; British Library.