Cats
shown in the black-and-white Grade 7 piebald cat. Sometimes one or more white rings
encircle the tail - for some reason this ringed effect seems more common in tabbies.
With any degree of spotting, there may be coloured smudges on the cheeks, chin or nose.
Some cats also have black toes on otherwise white paws.
Jean Bungartz described two bicolour patterns in his 1896 book "Die Hauskatze, ihre Rassen
und Varietäten" (Housecats, Their Races and Varieties) in " Illustriertes Katzenbuch" (An
Illustrated Book of Cats). His description of the "masked cat" is the tuxedo pattern, which he
describes as "sometimes the tail-tip is white also. The eyes of this variety are bright yellow
with black rims. Regular and sharply defined white patches create the most beautiful Mask
Cats which have many admirers."
Bungartz describes a less familiar bicolour he calls the black-headed or Moor-headed cat
(Mohrenkopf) which was clean white, except for the head and tail, which were black, grey,
annaabi.ee 
