Sinclair: typotheria of the santa cruz beds. 
45 
No. 
No. 
\ 
9187. 
15665- 
Skull, maximum length ........ 
b 
CO 
Ln 
.0885 
“ greatest width across arches ...... 
.0515 
“ interorbital width ........ 
.027 
.027 
“ least width of brain case ...... 
.016 
.0155 
“ height of occiput ........ 
.0165 
.020 
“ width of occiput ........ 
•03 55 
.037 * 
Palate, length from alveolus of Ii to palato-narial border, along 
median line ......... 
.049 * 
.0525 
Palate, width at Ml ........ 
.0195 
.0195 
Mandible, depth below P^ ...... 
•0135 
“ “ “ posterior margin of 
.0216 
Upper dentition, length 11 — Ml ...... 
.0466 
.048 
“ “ “ Pi-Mi on alveolar border . 
•0323 
•033 
“ << << MI-MI “ “ ' “ 
.0185 
.018 
U, width of alveolus ........ 
.0035 
.0039 
11, width of crown ......... 
.0038 
“ greatest transverse diameter ...... 
.001 5 
11, width of crown ......... 
.0036 
.004 
“ greatest transverse diameter ...... 
.0016 
.0022 
C, width of crown . . . * 
.0036 
.004 
“ greatest transverse diameter ...... 
.0016 
.002 
Pi, antero-posterior diameter just above triturating surface 
.003 
.0027 
“ transverse diameter in same plane ..... 
.0023 
.002 
PI, antero-posterior diameter just above triturating surface 
•0035 
•0035 
“ transverse diameter in same plane ..... 
.0026 
.0027 
PI, antero-posterior diameter just above triturating surface 
.004 
.0045 
“ transverse diameter in same plane ..... 
.003 
.0035 
PI, antero-posterior diameter on triturating surface externally . 
.004 
.0044 
“ transverse diameter at widest part ..... 
.0032 
.004 
Mi, antero-posterior diameter on triturating surface externally . 
.006 
.0065 
“ transverse diameter at widest part ..... 
.004 
.0046 
Ml, antero-posterior diameter on triturating surface externally . 
.0058 
.006 
“ transverse diameter at widest part ..... 
.0035 
.004 
Ml, antero-posterior diameter on triturating surface externally . 
.0057 
.0055 
“ transverse diameter at widest part ..... 
.003 
• 0033 
Lower dentition, length Iy-Mg ...... 
•043 
“ “ Py— M^ on alveolar border . 
.0326 
“ “ M^— M- 3 on alveolar border 
.0183 
Iy, width of crown ....... 
.0014 
“ greatest transverse diameter ...... 
.0012 
1^, width of crown ... .... 
.0019 
“ greatest transverse diameter ...... 
.001 5 
* Approximate. 
No. 
I5,3N- 
