Here's the latest email I received from CatFancy.com:

Going back to Desmond Morris's book, a tortoiseshell has a coat that is black, red, and cream, or more precisely, black plus orange tabby. Calicos, on the other hand, are white along with patches of black and red; if more than half the cat's body is white, then it is considered to be a calico. There are, of course, variations on these patterns so that several different types have been classified. These include:
1) Cinnamon-Cream
2) Dilute (white with unbridled blue and cream)
3) Fawn-Cream
4) Van (white with red and black confined to the extremities)
5) Lavendar-Cream
6) Cinnamon-Cream Van
7) Dilute Van (white with blue and cream confined to the extremities)
8) Fawn-Cream Van
9) Lavendar-Cream Van

These are the Calico variations only. There are 22 other Tortoiseshell variations mentioned by Morris.

If you like I can send you a photocopy of the calico and tortoiseshell descriptions found in Morris's book, as well as an article published in CAT FANCY's December 2002 issue, which discussed calico cats. If so, please send me your address, and I will mail them to you.

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I'm going to follow up on this, and ask that the Desmond Morris descriptions be mailed to me, so I'll have more info to post... eventually!

Does anybody out there have that December 2002 issue of the magazine? ...and if so, can you share with us what it says about calicos? Thanks!