Breed of dog developed in the late 19th century in Boston. Bred from the English bulldog and a white English terrier, the Boston terrier is one of the few breeds to have originated in the U.S. It has a terrier-like build, dark eyes, a short muzzle, and a short, fine coat of black or brindle, with white on the face, chest, neck, and legs. It stands 14–17 in. (36–43 cm) high and ranges in weight from 15 to 25 lbs (7–11 kg). The breed is characteristically gentle and affectionate.