968 THE JOHN DAY FAUNA. 



The enamel is smooth, excepting on the superior canine and the an- 

 terior part of the anterior inferior premolar. Here it is roughened by minute 

 impressed punctae. No cingula. 



Measurements of skull. 



a. 



Axial length from occipital condyles to iiremaxillary border 206 



Axial lengtli from inion to premaxillary border 220 



Axial length from premaxillary border to canine tooth - 017 



Axial length from premaxillary border to anterior border of superior sectorial 066 



Axial length from premaxillary border to posterior extremity of maxillary bone 097 



Axial length from premaxillary border to postglenoid process 162 



Length of nasal bone from nasal notch - 065 



Length of sagittal crest from inion 082 



Width of premaxillary bone (greatest) 019 



Width of each nasal bone at middle 008 



Width of each frontal bone at middle of orbit 028 



Width of each frontal bone at postfrontal angles 035 



Width of skull at anterior part of zygoma 098 



Width of zygomata at temporal fossa Ill 



Width of skull at meatus auditorius 074 



Width of skull between apices of paroccipital processes 054 



Width of occiput at middle 044 



Width of foramen magnum 024 



Elevation of occiput above fsramen 036 



Widthofchiuat base 022 



Width of chin at summit 028 



Depth of chin 040 



Depth of ramus at diastema 027 



Depth of ramus below last premolar 031 



Length of ramus 157 



Elevation of condyle • 033 



Elevation of coronoid process • 071 



Length of superior canine 045 



Diameters of base of superior canine J ^ 



< transverse W)a 



Anteroposterior diameter at middle 010 



Distance from canine to third premolar 016 



Length of molars, including third premolar 045 



Length of base of third premolar 018 



Elevation of cusp of third premolar 013 



Length of base of sectorial 025 



Elevation of cusp of sectorial - 015 



Width of tubercular '. 009 



Elevation of inferior canine - 024 



Anteroposterior diameter of inferior canine at base — 012 



Length of inferior diastema 022 



Length of inferior molar series - -- 063 



Length of third premolar 0175 



Elevation of third premolar 0175 



Length of fourth premolar 020 



Elevation of fourth premolar 015 



Length of sectorial 025 



Elevation of median cusp of sectorial 016 



