Disqualifications - Dogs less than 20 inches or more than 25 inches. Bitches less than 18 inches or more than 23 inches . Proportion - Square when measured from the point of the withers to the base of the tail and from the point of the withers to the ground. Substance - Moderate. Dogs generally weigh 45 to 55 pounds and bitches approximately 35 to 45 pounds.
Dogs distinctly masculine without coarseness and bitches feminine without over-refinement.
Head Elongated, the length exceeding the breadth and depth considerably. Wedge-shaped, when viewed from above. Slightly arched when viewer from the side, tapering to stop. The region of the forehead is of medium width, but appearing broader through ears set low to complete an alert expression, with a slight furrow between the eyes. Expression - Alert, watchful, and inquisitive.