GENERAL APPEARANCE - Smooth coated, well balanced,
of great strength for his size.  Muscular, active and agile. 

CHARACTERISTICS - Traditionally of indomitable courage
and tenacity.  Highly intelligent and affectionate especially
with children. 

TEMPERAMENT - Bold, fearless and totally reliable. 

HEAD AND SKULL - Short, deep though with broad skull.
Very pronounced cheek muscles, distinct stop, short foreface,
nose black. 

EYES - Dark preferred but may bear some relation to coat colour.
Round, of medium size, and set to look straight ahead.
Eye rims dark. 

EARS - Rose or half pricked, not large or heavy. 
Full, drop or pricked ears highly undesirable. 

MOUTH - Lips tight and clean.  Jaws strong, teeth large,
with a perfect, regular and complete scissor bite,
i.e. upper teeth closely overlapping the lower teeth and set
square to the jaws. 

NECK - Muscular, rather short, clean in outline gradually
widening towards shoulder. 

FOREQUARTERS - Legs straight and well boned, set rather wide
apart, showing no weakness at the pasterns, from which point feet
turn out a little.  Shoulders well laid back with no looseness at elbow. 

BODY - Close coupled, with level topline, wide front, deep brisket,
well sprung ribs; muscular and well defined. 

HINDQUARTERS - Well muscled, hocks well let down with stifles
well bent.  Legs parallel when viewed from behind. 

FEET - Well padded, strong and of medium size.
Nails black in solid coloured dogs. 

TAIL - Medium length, low set, tapering to a point and carried rather
low.  Should not curl much and may be likened to an old fashioned
pump handle. 

GAIT/MOVEMENT - Free, powerful and agile with economy of effort.
Legs moving parallel when viewed from front or rear.
Discernible drive from hindlegs. 

COAT - Smooth, short and close. 

COLOUR - Red, fawn, white, black or blue, or any one of these
colours with white.  Any shade of brindle or any shade of brindle
with white.  Black and tan or liver colour highly undesirable. 

SIZE - 
Weight: Dogs 12.7-17 kg (28-38 lbs) at withers 
Bitches 11-15.4 kg (24-34 lbs) at withers 
Desirable Height:  14-16 inches 
(these heights being related to the weights) 

FAULTS - Any departure from the foregoing points should be
considered a fault and the seriousness with which the fault should
be regarded should be in exact proportion to its degree. 

NOTE - Male animals should have two apparently normal testicles
fully descended into the scrotum.