102 



THE MUSCLES. 



of the orbicularis oris (/), from both the upper and the lower 

 lip. They pass thence dorsocaudad across the zygomatic arch 

 as a band 8 or lo millimeters wide which is attached to a 



Fig. 64. — Superficial Muscles on the Lateral Surface of the Head 



AND Neck. 

 a, a', a", M. platysnia; b, M. depressor conchae; c, M. submentalis; d, M. zygo- 

 maticus {/>, c, and (/lie beneath the phitysma and are seen througli it); c, M. zygo- 

 maticus minor; /', M. caninus; /, g, parts of M. quadratus labii superioris (y, 

 angular liead; g, M levator labii superioris alseque nasi); //, M. niyrtiformis; ?, M. 

 orbicularis oris; j, M. corrugator supercilii niedialis; k, M. corrugator supercilii 

 lateralis; /, M. adductor auris superior; w, M. lielicis; «, M. anlitragicus; o, M. 

 adductor auris inferior; /, M. conchii.'us externus; q, M. abductor auris longus; r, 

 parts of M. auricularis externus; s, M. orbicularis oculi. 



tendinous aponeurosis lying just craniad of the external opening- 

 of the ear. To this aponeurosis are attached also, wholly or 

 partly, the corrugator supercilii lateralis {k) and the submenta- 



