Diameters axial facet of atlas < 

 Diameters of axis < 



PHENACODUS. 473 



Measurements of Vertebrce. 



I. — Cervicah. 



U. 

 Tot.al width of atlas 044 



Diameters diaparapophvsis of atlas ^""^^^P"^*^™' ^^^ 



t transverse from foramen 008 



vertical 0105 



transverse at middle 009 



transverse ^^*^*''''°*'^1^^'=*'*» °~^ 



< posteriorly 012 



anteroposterior without odontoid 022 



vertical posteriorly 0105 



I third cervical 013 



Length centra below, of J fourth cervical 013 



I fifth cervical 013 



I sixth cervical 013 



[anteriorly J ^«^t'<=^l : 009 



Diameters third cervical^ < transverse 010 



I posteriorly ^^^^""al 0^04 



L (transverse 012 



Vertical diameter of neural canal of third cervical 0088 



Expanse of postzygapophyses of third cervical 0216 



Expanse of diaparapophyses of third cervical 0295 



Total elevation posteriorly to base neural spine , 021 



Diameters centrum sixth cervical in front ^ "vertical l 0086 



( transverse 010 



Total elevation of sixth with neural spine 0274 



Expanse of prezygapophj-ses 026 



Expanse of diapophyses 029 



Length of parapophyses from canal 0105 



II. — Dorsals. 



Diameter centrum first dorsal in front^ vertical 0085 



( transverse .. 0115 



Diameter neural canal of first dorsal in front < ' * " " — 



( transverse 010 



Expanse of prezygapophyses of first dorsal in front 0225 



Expanse of diapophyses of first dorsal in front 0345 



Elevation neural spine third dorsal from postzygapophysis 043 



Length centrum fifth dorsal 014 



Width of posterior face of centrum fifth dorsal 015 



(anteriorly I ^«'^'<''*1 00^" 



Diameters eighth dorsal^ < transverse 0115 



( anteroposterior 015 



Expanse of diapophyeis of eighth dorsal .026 



Length neural spine do. from postzygapophysis 033 



C anteriorly^ ^^-^'o^l 010 



Diameters thirteenth dorsals < transverse 0135 



( anteroposterior 020 



Total elevation with neural spine 0345 



Diameters of neural canal ^ '^®'^''''*^ 008 



( transverse 007 



Elevation of neural spine posteriorly 013 



Anteroposterior diameter of spine at summit 010 



