sauvage vs domestique

thanks wikimedia commons (PD)

From Georges Louis Leclerc Buffon's great 36-volume work Histoire naturelle, générale et particulière (published over the years 1749 - 88, this probably from the "Deux-ponts" edition of 1785-91 according to this source), here is a scientific look at the Wild Cat (top) compared to the Domestic Cat.  As near as I can tell, the major difference in appearance is that our Domestique friend has a nice smile, while the Sauvage scowls and is a little raggedy of pelt.