Facial muscle anatomy, 19th-century illustration. The muscles labelled here here the: frontalis muscle of the forehead, the procerus, nasalis and the dilator naris muscles of the nose, the orbicularis oris, levator and depressor muscles of the lips, the mentalis muscles of the chin, the buccinator muscles of the cheeks, the masseter muscles used in chewing, the major and minor zygomaticus muscles of the cheekbones, the muscles of the eyelids, and the auricular muscle above the ear. Also labelled are two neck muscles (the sternocleidomastoid muscle and the platysma muscle) and the corners of the eyes, the palpebral commissures. The labels are in French. Published in 'La Vie Normale et la Sante' (Normal Life and Health, Paris, 1881) by Dr Jules Rengade.