Color: Black, dark grizzle, slate, sandy, or mixture of these colors with white. Height: About 11 in. Weight: About 14 lbs.
The head is distinctly terrier-like, with narrow skull, which falls away in a marked degree behind the eyes. The eyes are dark brown in color. Ears set on low and carried close to the cheeks. Body not too short, and well ribbed up. The legs are short, with a tendency to crookedness. The tail is carried over the back. A low carriage is considered a sign of impure blood. The coat is of good length, straight and very dense with a strong growth on the skull, and the legs should be well coated right down to the toes.