Cats
blue or yellow with no white interspersed "except those showing up regularly on the head".
Consistent specimens of this variety were extremely rare and valuable. His illustration depicts
a cat with wholly black head, but it is possible he was describing the Van pattern.
It is possible to combine piebald with bicolour. Bicolour Siamese have been bred in Europe to
a mixed reception. A few Himalayan breeders breed bicolour Himalayans, using bicolour
Persians to introduce the white spotting pattern. Paul Beall, Richmond, Texas is one such
breeder. Paula's photo (below) shows a bicolour (piebald) Himalayan, but unfortunately this
cat has not produced piebald-point kittens and Paula has decided not to reintroduce the gene
from Persians.
GENETICS OF PIEBALD CATS
When the amount of white is small (under 40%), it is called low-grade spotting and
comprises the white belly patch, mitts, locket and blaze