358 PATAGONIAN EXPEDITIONS: PAL/EONTOLOGY. 



Mi, antero-posterior diameter . . . . . . . . . .015 



" transverse " ......... .0105 



MA, antero-posterior " ......... .0055 



" transverse " ......... .0085 



Lower canine, antero-posterior diameter at alveolar border . . . . .0163 



" " transverse " " " 0112 



Anterior inferior premolar, antero-posterior diameter ..... .009 



" transverse "..... .005 



Median " " antero-posterior " (approximate) . . .0117 



transverse " 006 



Posterior " " antero-posterior " 0143 



" " " transverse "..... .0065 



My, antero-posterior diameter . . . . . . . . . .012 



" transverse " . . . . . . . . . .006 



Mj, antero-posterior " . . . . . . . . .012 



" transverse "......... .007 



Mg-, antero-posterior "......... .013 



" transverse "......... -0075 



Mj, antero-posterior ".......... .016 



" transverse "......... .009 



Atlas, transverse breadth .......... .0805 



" breadth across anterior cotyles ....... .0498 



" width of neural arch ......... .022 



" " intercentrum including median process . . . . .0145 



Axis, length of centrum, including odontoid ...... .052 



" width of posterior face of centrum ....... .0195 



" depth" " " " 015 



" length of odontoid .......... .01 1 



" width across anterior cotyles ........ .039 



" antero-posterior diameter of neural spine ...... -0745 



" height of spine above floor of neural canal ..... .042 



Third cervical, length of centrum ..... . . .026 



" width across transverse processes (approximate) . . . .061 



" prezygapophyses ...... -0335 



Fifth cervical, length of centrum ........ .027 



width of posterior face of centrum ..... -0195 



" depth " " 0182 



width across transverse processes . . . . . . .053 



" " prezygapophyses ...... .040 



antero-posterior diameter of inferior lamina of transverse process .0335 



Sixth cervical, length of centrum ........ .028 



width of posterior face of centrum . . . . . .0185 



" " depth " " " " 0175 



width across transverse processes (approximate) . . . .044 



" " prezygapophyses . . . . . . .0335 



antero-posterior diameter of inferior lamina of transverse process .029 



