6o 
PATAGONIAN EXPEDITIONS : 
PALEONTOLOGY. 
No. 
No. 
No. 
No. 
9263. 
N, 34 8 - 
15,100. 
I 5 A 0 I 
Skull, least width of brain case .... 
.016 
.0145 
.0145 
“ width of occiput ...... 
.0445 
•0455 
“ height “ “ above foramen magnum . 
.017 
.014 
.018 
“ width of palate at Pi 
.014 
.014 
Mandible, length including Iy .... 
.071 
.0635 
.0745 
.072 
“ depth below Py 
.017 
•0135 
.017 
.016 
“ “ “ M f 
.023 
.023 
.024 
.024 
Upper dentition, length Ii-M-i .... 
•043 
.0405 
.0455 
.0444 
“ “ “ Pl-M- on alveolar border . 
.029 
.0285 
.028 
H 
1 
g 
1 “ 
.015 
.0144 
.0144 
I-, width of crown at cutting edge .... 
.0054 
.0044 
.0045 
.005 
J2. (< <( t< (( a u 
.003 
.002 
.002 
.003 
J.3 <( << <( 
.0018 
.0015 
.0016 
C, antero-posterior diameter ..... 
P-, antero-posterior diameter just above triturating 
.0017 
surface ........ 
.0035 
.0035 
P-, greatest transverse diameter in same plane . 
P-, antero-posterior diameter on triturating surface 
.0025 
.0025 
externally ........ 
.0036 
.004 
P-i, greatest transverse diameter on triturating surface 
PL, antero-posterior diameter on triturating surface 
.0032 
.0038 
externally ........ 
.0042 
.0046 
PL, greatest transverse diameter on triturating surface 
ML, antero-posterior diameter on triturating surface 
.0035 
.004 
externally ........ 
.0046 
.005 
Ml, greatest transverse diameter on triturating surface 
ML, antero-posterior diameter on triturating surface 
.0035 
.004 
externally ........ 
.0043 
.0046 
ML, greatest transverse diameter on triturating surface 
Mi, antero-posterior diameter on triturating surface 
.0035 
.0036 
externally ........ 
b 
0 
01 
.0045 
Mi, greatest transverse diameter on triturating surface 
.003 
.0034 
Lower dentition, Iy— My ..... 
•043 
“ “ length Py-Mg on alveolar border 
.02 7 
“ “ “ My-Mg “ 
.OI45 
Iy, width ........ 
.0022 
.002 
“ greatest transverse diameter .... 
.0016 
Iy, width ........ 
.002 
.0025 
“ greatest transverse diameter .... 
.0016 
Iy, antero-posterior “ .... 
.002 
“ greatest transverse “ .... 
.0015 
C, antero-posterior “ .... 
.0015 
“ greatest transverse “ .... 
.0012 
