138 PROFESSOR OWEN ON THE ANATOMY OF 



PLATE XXXIX. 



Fig. 1. The parotid .'?alivary gland and duct, and the superficial muscles of the jaws, 

 tongue, mouth, nose, and ear. 



a. Fascia covering the temporalis muscle. 



h. Masseter ; 6', its maxillary origin. 



c. Levator nasi. 



d. Retractor anguli oris. 



e. Retractor alse nasi. 



/. Retractor labii inferioris. 



m. Retractor labii superioris. 



q. Orbicularis oris. 



r. Orbicularis accessorius. 



s. Dermolabialis anticus. 



t. Dermolabialis posticus. 



M. Buccinator. 



V. Levator auriculcc, anterior (protractor) portion; v', occipital (retractor) portion. 



7v. Depressor auriculte. 



X. Parotid gland. 



y, y. Its duct. 



s. Labial gland. 



[The other letters signify the same parts as in the previous plates.] 



Fig. 2. Muscles of the head, tongue, and neck. 



a. Temporalis. 



b. Masseter ; b', its maxillary origin. 



d. Duct of submaxillary gland. 



e. Soft part of nasal canal behind the skull. 



fa. Fauces or dilated part of mouth behind the skull. 



/. Ceratopharyngeus. 



g. Epipharyngeus. 



h. Hyopharyngeus. 



i. Thyropharyngeus. 



i'. Cricopharyngeus. 



_;'. Posterior part of mylohyoideus. 



k. Retractor pharyngis. 



I. Insertion of geniohyoideus. 



m. Ceratohyal. 



n. Ramal origin of genioglossus. 



0. Gular fasciculi of ditto, blending with those of • 



p. Sternoglossus. 



q. Intercornualis. 



