AURICULAR GROUP. 175 



Relation. — Externally with the skin ; internally with the 

 temporalis and attollens posticus ; posteriorly with the retrahens 

 externus. 



Action. — It adducts and elevates the ear, and also turns its 

 opening forwards. 



ATTOLLENS ANTICUS. 



{Zygomatico-auricularis.) 



(Pl. IL "2".) 



Subcutaneous, and in front of the ear, this muscle is small 



and thin, consisting generally of two fleshy bundles, joined by 



condensed cellular tissue. 



Fig. 72. 



Muscles of the external ear— posterior view, a, Inferior, and 6, 



superior layer of the scuto-auricularis internus ; c, Attollens posticus ; 



d, Eetrahens externus ; e, Retrahens inedius ; /, Retrahens internus ; 



<j, Mastoido-auricularis. 



Origin. — From the superior part of the temporal zygomatic 

 process by a flat tendon, which blends in front with the orbicu- 

 laris palpebrarum. 



Insertion. — By two sets of fibres — one to the anterior part 

 of the scutiform, the other to the base of the conchal cartilage, 

 blending with the scuto-auricularis externus and the abducens. 



Relation. — Externally with the skin ; internally Avith the 

 temporal muscle ; posteriorly with the parotid gland. 



Action. — It draws the ear forwards. 



