Chest.—Broad and proportionately deep.
Body.—Moderate length, rather flat-sided, well ribbed up, and exceedingly strong in hind quarters.
Legs and Feet.—Legs short, and very heavy in bone, the front ones being straight or slightly bent, and well set on under body; hocks bent; thighs very muscular; feet strong, small, and thickly covered with short hair.
Tail.—About 7 inches long, carried with a slight bend, and never cut.
Coat.—Rather short (about 2 inches), intensely hard, wiry, and very dense.
Size.—About 16 pounds for a dog; 14 pounds for a bitch.
Colors.—Steel or iron gray, brindle, black, red, wheaten, yellow, or mustard color. White markings are most objectionable.
Height.—Nine to twelve inches.
Faults.—Large or light eyes; silky or curly coat.