770 MR. ST. GEORGE MIVAltT ON THE [Juiie 27, 



second dorsal vertebrfe, and from the transverse processes of the 

 last four cervical vertebrae. It is inserted into the supraoccipital and 

 into the parietal process. 



Complexus minor (figs. 2 & 2a, C.Mi.). A muscle placed exter- 

 nally to the last arises from the transverse processes of the last four 

 cervical vertebrae. It is inserted, by strong tendinous fibres, into the 

 end of the parotic process, but gives off from its outer side a fasci- 

 culus (figs. 2&2a, a?) which passes to the postero-external end of 

 that depending process of the basioccipital vv-hich bounds internally 

 the posterior part of the eustachian aperture. 



Cervicalis ascendens. This (fig. 2 a, C.A.), as has been said, is 

 the continuation forwards of the sacro-lumbalis. It is inserted by 

 tendinous fibres into the outer sides of the cervical ribs and into 

 the transverse processes of the four anterior cervical vertebrae (in- 

 cluding the atlas), which have no ribs. 



Sj)inalis colli (fig. 2a, S.C). The innermost portion of the 

 deep part of the dorsal extensor mass fills the groove between the 

 spinous and articular processes of the cervical vertebrae. It ends at 

 the occiput, where it enters the deep fossa between the supraoccipital 

 and the diverging parietal processes. 



Rectus capitis posticus major. A more or less distinct muscular 

 fasciculus (fig. 2 a, R. P. M.) arises from the spinous process of the 

 axis, and is inserted into the supraoccipital. 



Scalenus. The scalene muscles appear to be represented by a very 

 obscurely separable small muscular mass, which extends from the 

 transverse processes of the first four cervical vertebrae to the anterior 

 margin of the first cervical rib. It lies between the cervicalis as- 

 cendens and the rectus capitis anticus major (fig. 2 a, Sc). 



The longus colli arises fi'om the ventral surfaces of the bodies of 

 the atlas and two following cervical vertebrae. It is inserted into the 

 same surfaces of the next four cervical vertebrae and into the last 

 three cervical ribs near their origins. 



Rectus capitis anticus major (fig. 2 a, R. A. 31.). This muscle 

 arises from the posterior end of the under surface of the basioccipital, 

 and largely from the process bounding internally the posterior end 

 of the eustachian aperture. Passing backwards it is inserted into 

 the bodies of the cervical vertebrae from the fourth to the seventh 

 inclusive, and finally into the anterior margin of the deep surface of 

 the rib of the seventh cervical vertebra. 



Rectus abdotninis. The abdominal muscles are largely developed, 

 both as regards superficial extent and number, as there appear to 

 be no less than three layers of the external oblique muscle. The 

 rectus is broad, but rather ill-defined superficially as to its outer 

 margin, which, however, is readily seen on its internal surface. It 

 arises by a strong tendon from the posterior end of the ventral sur- 

 face of the symphysis ischii (figs. 13 & 14, R.). Thence it runs 

 forwards along the middle line of the belly, and is inserted into the 

 posterior margin of the last sternal rib, whence it is continued to the 

 last sternal rib but one, where it is conterminous with the pectoralis 

 major (fig. (J, R.), which is apparently its anterior prolongation. 



