Calico or Tortoiseshell?

I had always been under the impression that any tri-colored cat was considered Calico. Silly me. Read on ...

TORTOISESHELL
Black with patches of red or softly intermingled areas of red on both body and extremities. Prescence of several shades of red acceptable. Eye color: brilliant gold.

CHINCHILLA SHADED TORTOISESHELL (shell tortoiseshell)
Undercoat pure white. Coat on back, flanks, head and tail sufficiently tipped with black and well-defined patches of red and/or cream as in the pattern of the tortoiseshell to give the characteristic sparkling appearance. The cat is in appearance a chinchilla silver with patches of red tipping. Blaze of cream or
red tipping desirable. Eye color: green or brilliant gold.

SHADED TORTOISESHELL
Undercoat white. Mantle of black tipping and clearly defined patches of red and cream tipped hairs as in the pattern of the tortoiseshell. Blaze of red or cream tipping on face is desirable. Eye color: green or brilliant gold.

DILUTE CHINCHILLA SHADED TORTOISESHELL (Dilute Shell Tortoiseshell)
Undercoat pure white. Coat on back, flanks, head and tail sufficiently tipped with blue and well-defined patches of cream as in the pattern of the blue cream to give the characteristic sparkling appearance. The cat is in appearance a dilute chinchilla silver with patches of cream tipping. Blaze of cream tipping desirable. Eye color: green or brilliant gold.

DILUTE SHADED TORTOISESHELL
Undercoat white. Mantle of blue tipping and clearly defined patches of cream tipped hairs as in the pattern of the blue cream. Blaze of cream tipping on face is desirable. Eye color: green or brilliant gold.

CALICO
White with distinct patches of black and red. White predominant on underparts. Tabby markings are allowed in the red patches. Eye color: brilliant gold.

DILUTE CALICO
White with distinct patches of blue and cream.Tabby markings are allowed in the
cream patches. Eye color: brilliant gold.

BLUE-CREAM
Blue with patches of cream or softly intermingled areas of cream on both body and extremities. Presence of several shades of cream acceptable. Nose leather and Paw pads:blue and/or pink. Eye color: brilliant gold.

BI-COLOR
White with unbrindled portions of black, white with unbrindled portions of blue, white with unbrindled portions of red, or white with unbrindled portions of cream. Eye color: brilliant gold.

VAN BI-COLOR
Black and white, red and white, blue and white, or cream and white. White cat with color confined to the extremities; head, tail, and legs. One or two small colored patches on body allowable.

VAN CALICO
White cat with unbrindled patches of black and red confined to the extremities; head, tail, and legs. One or two small colored patches on body allowable.

VAN DILUTE CALICO
White cat with unbrindled patches of blue and cream confined to the extremities; head, tail, and legs. One or two small colored patches on body allowable.