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MUSCLES OF THE HEAD. 



First Group three muscles : 

 Superior auris, or Attollens aurem. 

 Anterior auris, or Attrahens aurem. 

 Posterior auris, or Retrahens aurem. 



Second Group Jive muscles : 

 Tragicus. 

 Antitragicus. 

 Helicis major. 

 Helicis minor. 

 Transversalis auris. 



Third Group three muscles : 



Stapedius. 

 Tensor tympani. 

 Laxator tympani. 



THIRD CLASS eleven muscles, 



Those of the Eye and Appendages, are 

 arranged in two groups one of which 

 acts on the appendages, the other on 

 the ball of the eye. 



First Group five muscles r 

 Occipito-Frontalis its palpebral in- 

 sertion. 



Corrugator supercilii. 

 Levator palpebrse superioris. 

 Orbicularis palpebrarum. 

 Tensor tarsi. 



Second Group six muscles : 

 Rectus superior, or Levator oculi. 

 Rectus inferior, or Depressor oculi. 

 Rectus internus, or Adductor oculi. 

 Rectus externus, or Abductor oculi. 

 Obliquus superior. 

 Obliquus inferior. 



FOURTH CLASS /our muscles, 

 Those of the Nose, arranged in two 

 groups : 



First Group proper to the Nose: 



Pyramidalis nasi. 

 Compressor nasi. 



Second Group common to the Nose 

 and upper Lip : 



Levator labii superioris alseque nasi. 

 Depressor labii superioris alseque nasi. 



FIFTH CLASS ten muscles, 

 Those of the Mouth, arranged in four 

 groups : 



First Group one muscle : 

 Orbicularis oris. 



Second Group two muscles common to 

 the upper Lip and Nose : 



Levator labii superioris alaeque nasi. 

 Depressor labii superioris alseque nasi. 



Third Group two muscles : 



Levator labii inferioris. 

 Depressor labii inferioris. 



Fourth Group Jive muscles : 



Levator anguli oris. 

 Depressor anguli oris. 

 Zygomaticus major. 

 Zygomaticus minor. 

 Buccinator. 



SIXTH CLASS muscles of mastication, 



Which act on the lower jaw, and are 

 four pair : 



Masseter. 

 .Temporal. 



Pterygoideus externus. 

 Pterygoideus internus. 



