THE CERVICAL VERTEBRAE. 73 



Measurements of Axis. {Dinocerns mlrahile, No. 1036.) 



m. 



Length of axis, on floor of neural canal (approximate), 150 



Length of odontoid process, . - . .056 



Transverse diameter of odontoid process, .035 



Vertical diameter of odontoid process, .. .052 



Transverse diameter of anterior articular face, .068 



Vertical diameter of anterior articular face, _ 065 



Transverse diameter of vertebra, .across anterior articular faces, .. .148 



Transverse diameter of neural canal, .053 



Vertical diameter of neural canal, . .042 



Transverse diameter of vertebra, across post-zygapophyses, _ 122 



Transverse diameter of posterior face of centrum, .._. .093 



Vertical diameter of posterior face of centrum, . . .072 



Height of axis, to top of neural spine, . . .175 



Transverse diameter of neural spine, _ . .048 



Antero-posterior diameter of neural spine, 085 



Measicrements of Axis. {Dinocerns rnirahile, No. 1255.) 



m. 



Length of axis, on floor of neural canal (approximate), .125 



Length of centrum, along under surface, .140 



Length of odontoid process, from lateral articular faces, .045 



Transverse diameter of odontoid process, ... . .037 



Vertical diameter of odontoid process, __.. 038 



Transverse diameter of articular face of odoiiloid jirocess, .035 



Antero-posterior diameter of articular face of odontoid process, .042 



Transverse diameter of neural canal, . .039 



Vertical diameter of lateral foramen, __ .012 



Measurements of Axis. (Dinoceras lucare, No. 1038.) 



m. 

 Total length of axis, .170 



Leiigtli, from end of odontoid process to end of neural canal,. . . . _ . .148 



i'ransverse diameter of odontoid process, .035 



Vertical diameter of odontoid process, 046 



Greatest diameter of anterior articular face, .. .070 



Transverse diameter, across anterior articular faces, . .142 



Antero-posterior diameter of face on odontoid process, 044 



Transverse diameter of face on odontoid process, . . .033 



Distance between antero-lateral articular faces, , .050 



Transverse diameter of centrum, behind faces, .125 



Transverse diameter, across post-zygapophyses, .115 



Transverse diameter of posterior face of centrum, .093 



Vertical diamete>' of posterior face of centrum, ... .080 



Diameters of lateral foramen, .01 3-.O20 



Diameters of neural canal (approximate), 040-.050 



10 



