This section is from the book "The Cat", by Rush Shippen Huidekoper. Also available from Amazon: The Cat - A Guide To The Classification And Varieties Of Cats And A Short Treatise Upon Their Cares, Diseases, And Treatment.
The Royal Cat of Siam is an odd but rather attractive cat, from its graceful form, and from the peculiar, strikingly marked black head, tail, and extremities.
Head
The head is small and broad at the eyes, but narrows above at the forehead. The nose is long and broad, the cheeks narrow, and the lips full, giving a sort of square appearance to it.
Eyes
The eyes are almond-shaped, placed at an angle in the head, reminding one exactly of those of the Chinese or other Mongolians of the human race. They are of a rich opalesque blue, but appear reddish at dusk and at night. Ears. - The ears are large and wide, with few hairs on the inside.

Fig. 20. - Royal Cat of Siam.
Tail
The tail is short and thin, but should be perfectly regular and have no break or kink in it.
Coat - Color And Quality
The coat is short, somewhat woolly, but soft and silky. The preferable colors are a dun or fawn color, although they are sometimes a silver-gray or a light orange. The entire mask of the face and ears and the legs and tail are black. The Royal Cat of Siam is a small animal, narrow in the body, lithe and graceful. The legs are thin and short. The neck is long and small, and the feet are long.
 
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