BY If. II. SCOTT AND I LIVE 0. LORD. 27 



supiala incidental to the manipulation <;f the pouch. On 

 the other hand, the likeness ends when we come to deal 

 with tin ligamentum nuchae, which in such animals as 

 arc here u ration, requite ai Ligament 



of gr< b and po a ther with freedom of the 



two ai't rior vertebrae. Accordingly, the ligamentum 

 nucha thi lumbar region, fan 



out upon the tto*two fascia, one of 



which rains down upon th ■ < rioi cervicaJ spines, 



and the other - i I : : oocipitaJ I inser- 



tion. In this Xoli pra-occipital bone 



i by I wo foss important 



nt. i ■ ■• acting ntral 



septum, Mi. total area tiro d by tli - 125 



mm. wide, and apparently 100 mm. in vertical extent. 



A common occipit< ' modified in the 



i, r spinal regioi list ha^ I, and ol h r 



nuld II- but the 



above data chii fly in1 ' udy. 



