Essays on the anatomy of expression in painting (1806)
Bell, Charles, Sir, 1774-1842 · London : Printed for Longman, Hurst, Rees, and Orme · leaf 99
73 in this animal must have great power, as it reaches from the ear to the angle of the mouth. It must retract the angle of the mouth, as well as act in mastication, which is probably the reason of its being stronger than in the graminivorous animals. o. The Cutaneous Muscle, which sends up a web…
Facial Expression · Anatomy, Artistic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.