MUSCLES OF THE BODY. 



'43 



ear. Lateral surface with the scalenus (Fig-. 72, Ji) and craniad 



with the levator scapulae ven- 



tralis (Fig. 72, c-c"}. Medial 



surface with the carotid artery, 



the trachea, oesophagus, and 



pharynx. Dorsal edge with 



the vertebrae, the longus colli 



(Fig.\72, '), and the rectus ca- 



pitis anterior minor (Fig. 72,^). 



Action. Lowers the snout. 



M. rectus capitis anterior 

 minor (Fig. 72, ^). This is a 

 flat band beneath (dorsad of) 

 the longus capitis (a). 



Origin from the ventral sur- 

 face of the inferior arch (body) 

 of the atlas (a) for about five 

 millimeters laterad of the mid- 

 dle line. 



Insertion into a deep depres- 

 sion on the basioccipital caudad 

 of the insertion of the longus 

 capitis (a) and between the 

 caudal end of the bulla (i) and 

 the median line. 



Relations. Ve*ntral surface 

 with the longus capitis (a). 

 Dorsal surface with the anterior 



(ventral) atlanto-OCCipital mem- one head of the levator scapulae Ventralis 



have been cut, in order to show the rec- 

 brane (2). tus capitis anterior minor, a, M. longus 



i . T\ i.u capitis; b. M. rectus capitis anterior 



Action. - - Depresses the mi p nor : f? ' M levator scap p uke ventralis 



snout. (<?, its atlantal head; c' 1 , its occipital 



-... ... , , ,. head); d, M. rectus capitis lateralis; e, 



M. rectus capitis lateralis M ob i iquus capitis SU|)er i r ; /,M.ion g is- 

 (Fig. 72, d}. This lies ventrad simu . s capitis; g, M. longus colli (/, its 



' . ... . cervical portion ; g", its thoracic por- 



*t)t the Obiiquus Superior (e) On tion); A, part of M. scalenus. I, bulla 



the ventral face of the transverse ty m P ani ; 2 - ventra l atlanto-o-cipital 



membrane; 3, ventral arch of atlas; 4, 

 process of the atlas and at first first rib. 



appears to be a part of the obiiquus superior. 



FIG. 72. MUSCLES ON THE VENTRAL 

 SURFACE OF THE CERVICAL VER- 

 TEBRA. 

 On the left side the longus capitis and 



