This comprises two thin slips of muscle arising from the zygomatic process of the squamous temporal bone. They become inserted into the scutiform cartilage, and into the outer and inferior part of the concha.

Fig. 372. - Muscles of the Ear. (Anterior aspect; outer and deep layers).

Fig. 373. - Muscles of the Ear. (Lateral aspect.)

Fig. 374. - Muscles of the Ear. (Posterior aspect.)

1, Temporalis. 2, Parieto-auricularis interims. 3, Parieto-auricularis externus. 4, Scuto-auricularis interims. 5, Zygomatico-auricularis. 6, Scutiform Cartilage. 7, Scuto-auricularis externus. 8, Corru-gator Supercilii. 9, Parotido-auricularis. 10. Splenitis. 11, Tendon of Sterno-cleido-mastoideus. 12, Mas-seter. 13, Cervico-anricularis externus. 14, Cervico-auricularis medius. 15, Obliquus Capitis Superior.

Action. - To draw the ear forward.