Bull Dog
a variety of the common dog, canis familiaris, variety taurinus, sometimes called variety molossus , from Molossia (southern Epirus or lower Albania), where similar dogs are said anciently to have existed. The bull dog has a thick, short, flat muzzle, a projecting under jaw, thick and pendent lips , a large head, a flat forehead, a small brain, half-pricked ears, a thick and strong body, but of low stature. Its courage and tenacity of hold are well known.