402 PATAGONIAN EXPEDITIONS! PALAEONTOLOGY. 
No. 
No. 
No. 
No. 9254 . 
*5J4 8 - 
15 , 029 . 
15,154- 
Am. Mus. 
Mandible, transverse diameter of con- 
dyle ...... 
.012 
Mandible, depth of horizontal ramus 
at M ? ...... 
Mandible, depth of horizontal ramus 
.0125 
.013 
at posterior premolar . 
Mandible, depth of horizontal ramus 
.010 
at anterior premolar 
Upper dentition, length, median in- 
.0095 
cisor to MA .... 
.0585 
•055 
.0565 
Upper dentition, length of space occu- 
pied by premolars 
.018 
.017 
•0175 
Upper dentition, length of space occu- 
pied by molars .... 
Lower dentition, length, anterior 
.0245 
.023 
.020 
.021 
border of canine to M ? 
•0525 
Lower dentition, length of space occu- 
pied by premolars 
Lower dentition, length of space occu- 
b 
t— 1 
00 
pied by molars .... 
.026 
Median upper incisor, width of crown 
.001 
Lateral “ “ “ “ “ 
Upper canine, antero-posterior diam- 
.002 
.002 
eter at alveolar border . 
Upper canine, transverse diameter at 
.OO58 
.006 
.0065 
alveolar border .... 
.004 
.0042 
.004 
Anterior superior premolar, antero- 
posterior diameter 
Anterior superior premolar, trans- 
.004 
.004 
.0038 
.004 
verse diameter .... 
b 
0 
1 
Ln 
.0015 
.0015 
.0015 
Median superior premolar, antero- 
posterior diameter 
Median superior premolar, transverse 
.0055 
.005 
.005 
diameter ..... 
.002 
.0018 
.0018 
Posterior superior premolar, antero- 
posterior diameter 
Posterior superior premolar, trans- 
.0063 
.006 
.005 
.0056 
verse diameter .... 
.003 
.003 
.0028 
.0028 
MP, antero-posterior diameter . 
.007 
.007 
.006 
.007 
“ transverse diameter . 
.004 
.004 
.004 
.004 
M-^, antero-posterior diameter . 
.0077 
.OO74 
.006 
.007 
“ transverse diameter . 
.006 
.0055 
.005 
.0055 
M^-, antero-posterior diameter . 
.007 
.007 
.006 
.0064 
“ transverse diameter . 
.0078 
.0068 
.0055 
.0058 
