8 4 
PATAGONIAN EXPEDITIONS *. PALAEONTOLOGY. 
No. 
15 , 54 - 2 - 
I3, antero-posterior diameter . 
.0015 
“ transverse “ 
.0017 
C, antero-posterior “ 
.002 
“ transverse “ 
.002 
Py, antero-posterior “ 
.0025 
“ transverse “ 
.0022 
Py, antero-posterior diameter on 
triturating surface 
.0035 
“ greatest transverse “ 
a a ( ( 
.002 
Py, antero-posterior “ 
t if it 
.006 
“ greatest transverse “ 
a t t tt 
.0035 
Py, antero-posterior “ 
u n n 
.0066 
“ greatest transverse “ 
a a it 
.0035 
My, antero-posterior “ 
< a t i 
.0072 
“ greatest transverse “ 
a a a 
.0035 
My, antero-posterior “ 
it it tt 
.007 
“ greatest transverse “ 
it a a 
.0035 
My, antero-posterior “ 
a a a 
.009 
“ greatest transverse “ 
a a a 
.003 
Atlas, transverse breadth 
.042 
“ breadth between anterior articular surfaces 
.228 
“ width of neural arch 
.007 
“ “ “ inferior “ 
.006 
Axis, length including odontoid 
.024 
“ width across anterior articular surfaces 
.022 
“ length of odontoid 
.0072 
Humerus, length .... 
“ width of distal end 
Radius, length .... 
“ width of proximal end 
“ “ “ distal “ 
Ulna, length ..... 
“ greatest width of olecranon 
“ “at coronoid process 
Femur, length 
“ width of proximal end . 
“ “ distal “ 
Patella, length . • . 
“ width 
Tibia, length .... 
.025 
.0765 
.01 18 
.014 
.099 
.0156 
.0147 
No. 
1 5 A 3 1 - 
.112 
.029 
.027 
No. 
15,298. 
.0225 
.012 
.128 
No. 
I 5 A 7 6 - 
.103 
.026 
.115 
