86 



PLATE XLITI. 



. 

 MUSCLES 



A Anterior muscular portion of occipito- 



fron tails. 



B Its intermuscular apoueurosis. 

 C Orbicularis palpebvarum (its orbicular 



portion). 

 D Orbicularis palpebrarum (its palpebral 



portion). 



E Pyramidalis nasi. 

 F Compressor nasi. 

 G Levator labii superioris alasque nasi. 

 H Levator labii superioris. 

 I The orbicular zygomaticus. 

 K Zygomaticus major. 

 L Levator angnli oris. 

 M Depressor anguli oris. 

 N Depressor labii inferioris. 



Platysma. 



P Part of the platysma which often 



becomes slightly separated from the 



remainder of the muscle, and ia 



called the Bisorius. 

 R Buccinator. 

 S Orbicularis oris. 

 T Masseter. 

 U Parotid gland. 



V Socia parotidis, and Stenson's duct. 

 W Zygomatic arch. 

 X Placed on the temporal fascia over 



temporal muscle. 

 Y Cervical fascia covering parotid gland 



turned back. 



VESSELS 



a Facial artery. 



b Common origin of the inferior labial 



and coronary, 

 c Inferior coronary. 

 d Submental branch of facial turning 



upwards to anastomose with the 



inferior labial. 

 e Superior coronary. 

 / Artery to the septum from the superior 



coronary. 

 <7 Lateralis nasi. 

 h Angular artery. 

 k Dorsalis nasi. 



I Nasal dividing into dorsalis nasi and 

 an anastomotic branch to the angular. 

 m Transverse facial. 

 n Infra-orbital. 



o Temporal artery dividing into 

 p Its posterior and 

 r Its anterior division. 

 s Middle temporal. 

 t Temporal vein. 

 v Angular vein. 

 w Facial vein. 

 x Deep facial. 



NERVES 



1 Auriculo-temporal (third division of 



fifth). 



2 Temporal twig of orbital (second divi- 



sion of fifth). 



8 External branch of nasal (first division 

 of fifth). 



4 Temporal branch of facial. 



5 Malar branch of facial. 



6 Infra-orbital branch of facial. 



7 Buceal branch of facial.* 



8 Supra-mandibular branch of facial. 



9 Infra-orbital (second division of fifth). 



10 Palpebral branches of infra-orbital. 



11 Labial branches of infra-orbital. 



12 Great auricular. 



should have been written oa 



