The Terrier should be alert, quick of movement, keen of expression, on the tip-toe of expectation at the slightest provocation. Character is imparted by the expression of the eyes and by the carriage of ears and tail.

Bone and strength in a small compass are essential, but this must not be taken to mean that a Terrier should be «cloddy,» or in any way coarse--speed and endurance being requisite as well as power. The Terrier must on no account be leggy, nor must he be too short on the leg. He should stand like a cleverly made, short-backed hunter, covering a lot of ground.

N.B. Old scars or injuries, the result of work or accident, should not be allowed to prejudice a Terrier's chance in the show ring, unless they interfere with its movement or with its utility for work or stud.