THE MUSCLES, 



I. MUSCLES OF THE HEAD. 



I. MUSCLES OE THE EYE. 



1. 31. rtduy inferior (Fig-. 48 ri'). 



Duges, post-orbito-sous-oculaire, n. 12. Zenker, depressor oculi. 



This muscle arises by a very thin, almost thread-like tendon 

 from the parasphenoid, near foe foramen ojjficui/i. and becomes rapidly 

 broader; it lies beneath the tendon of 

 the niemlrana nid'danx and a part of the Fl =- 4 s - 



///. fdrador lidbl : then runs forwards 

 and outwards to be attached into the 

 lower part of the circumference of the 

 eyeball. 



2. 31. <-<:dii>s tjcttrmifs (Fig;. 48 re). 

 Duges, post-orbito-ex-oculaire, n. 14. 



Arises -by a thin, thread-like tendon 

 from the parasphenoid near the fora- 

 mi:ii opticv.iii, internal to and a little be- 

 hind the ///. red us inferior : it then p; 

 obliquely outwards over the m. ret r act" r 

 Ijvlli and the tendon of the me/it/, 

 itidita/is, to be inserted into the outer 

 and hinder part of the circumference 

 of the eyeball. 



3. 31. i-'.'<:( it * i/iteftuis (Fig-. 48 ri). 



Duges. post-orbito-in-oculaire, n. 13. 



A long-, thin muscle, which arises by 

 a thread-like tendon from the paraspheiioid at the inner and 



Eve musc-les of Rana ttculmta, from 

 below. 



On the right side (i. e. in the left eve) 

 the lev. biilbi (I) is taken away ; on 

 the left side it is still present. 



I M. levator bolbi. 



La M. lev. anguli scapulae 



m M. obliquus inferior. 



oi M. obliquus superior. 



p M. pteryjroideu:?. 



r M. retractor b\Ubi. 



re M. rectns extemus. 



1 First cervical vertebra. 



