266 MEMOIRS OF THE CARNEGIE MUSEUM. 
is not as high, but the lateral prominences below the lower margin of the posterior 
articulating face of the centrum are more strongly developed. 
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Fia. 35. Lateral view of fifth cervical of Fic. 36. Ventral view of fifth cervical of M. 
M. elatus (No. 1604). X43. elatus (No. 1604). +. 
MEASUREMENTS OF Firta CErrvicAL VERTEBRA. 
No. 1604, 
mm. 
Greatest length from front margin of prezygapophyses to hind margin below measured between 
Perpen dic wars x. ce selene. Gini lace vege ce x eyes ey, wool Sea ees eee Te ea 197 
Height totopiot mewmral spine 5 ooo hiro spenscs- eescesnscads Sods eae ser ts Oe ee ea 160 
length ofcentrumyal oncsundenicuntacene aerials nee ere eine eer eee 160 
Antero-posterior diameter of;pediceliy, =.) q-cnne een ce sere Cate eet eer 75 
Diameter across ace Ol PLrezy lap Op My; SCSem meer meee e tare eer er eee elZ0 
Distance between faces of prezygapophyses above................. 20sec ee eee e tees sees 43 
DyameteracrossspostzyeapOplysesiarsr > cei otek uence ere eee ee eee ee 175 
Distance between faces| of postzygapophyses im ironies «eee ace eer eee eee 55 
Distance) between! pPostzycapopbyses) We lin Ce) ees err ae eerie reeset ete ee eee eee 37 
Diameter across anterior extremities of transverse processeS.........--..--++eeeee eee eeeeeeees 120 
Diameter across posterior extremities of transverse processes. ...........-.-:.:-+--++-++++-s-s 175 
Transverse diameter of articular faces of prezygapophyses.............-...-+-+-++eeeeeeeeese 70 
Supero-inferior diameter of articular faces of prezygapophyses..................--.e+eeeeeeeeee 66 
Transverse diameter of articular faces of postzygapophyses................--+eceeee ee eeee eee 80 
Supero-inferior diameter of articular faces of postzygapophyses............................-+-. 55 
Vertical diameter of neural canals !..o0 = 255 2 sccm stenoses ere crelc re ceatsne et eC a eee 30 
Transverse diameter of neural ‘canal. 250.52. casein oe cette eee eee eee 30 
Antero-posterior diameter of anterior articulating face of centrum............................. 50 
Transverse diameter of anterior articulating face of centrum... ..5.... 22... 09) ae oe 50 
Transverse diameter of postenor articulating facelon centrum. |. 4-2-4.) ye we ee 65 
Supero-inferior diameter of posterior articulating face of centrum...........................06- 70 
