EXPLANATION
OF
PLATE III.
OF THE MUSCLES OF THE FACE OF BRUTES.
The head of a dog is taken to show the muscular apparatus of carnivorous
animals.
a . a . The circular .fibres, which surround the eyelids, and which are
common to all animals.
b . c. d . Accessary muscles, which I have called S c i n t i l l a n t e s , as
they draw back the eyelids from the eyeball, and give a sparkling
fierceness to thé eye.
Artists bestow an expression on the eye of the lion, which they
suppose gives dignity—a kind of knitting of the eyebrows, whilst
the eyelids are straining wide. This is quite incompatible with the
powers of expression possessed by brutes. When the lion closes his
