Skull large and square, viewed from every angle, fair wrinkle when interested, but not when in repose. Skull broad and deep with well filled cheeks. Pronounced stop. Muzzle short, distance from tip of nose to stop approximately one-third of length from tip of nose to centre of occiput, broad under eyes and sustaining nearly the same width to end of nose; blunt and cut off square, forming right angle with upper line of face, and at the same time proportionate with skull. Under-jaw broad to end. Nose broad with widely spreading nostrils, flat, neither pointed nor turned up in profile. Flews not pendulous, never hanging below level of lower jaw.