374 
PATAGONIAN EXPEDITIONS PALAEONTOLOGY. 
Third cervical, width across transverse processes 
“ “ “ “ prezygapophyses 
Fourth cervical, 
, length of centrum . 
a u 
depth of posterior face of centrum 
a t( 
width “ “ “ “ 
a n 
“ across prezygapophyses . 
Fifth “ 
length of centrum . 
Seventh dorsal, length of centrum . 
ii a 
depth of anterior face of centrum 
a a 
width “ “ “ “ “ 
a a 
width across diapophyses . 
a a 
“ of neural spine 
Tenth dorsal, length of centrum 
“ “ depth of anterior face of centrum 
“ “ width “ “ “ “ “ 
Eleventh dorsal, length of centrum . 
“ “ depth of anterior face of centrum 
“ “ width “ “ “ “ “ 
“ “ “ “ neural spine 
“ “ “ across anapophyses 
Twelfth dorsal, approximate length of centrum . 
“ “ depth of anterior face of centrum 
“ “ width “ “ “ “ “ 
“ “ “ of neural spine 
“ “ “ across anapophyses . 
Fourth lumbar, length of centrum 
“ “ depth of anterior face of centrum 
“ “ width “ “ “ “ “ 
“ “ “ “ neural spine 
“ “ “ across prezygapophyses . 
“ “ “ of transverse process at base 
Fifth lumbar, length of centrum 
“ “ depth of anterior face of centrum . 
“ “ width “ “ “ “ “ 
“ “ “ “ neural spine . 
“ “ “ across prezygapophyses 
“ “ “ of transverse process at base 
Sixth lumbar, length of centrum 
“ “ depth of posterior face of centrum 
“ “ width “ “ “ “ “ 
“ “ “ “ neural spine . 
“ “ u across prezygapophyses 
“ “ “ of transverse process at base 
Sacrum, length of centra ..... 
width at point of greatest expansion of auricular processes 
depth of anterior face of centrum of first sacral 
U 
ii 
.050 
•0315 
.025 
.014 
.0195 
■038 
.025 
.021 
.014 
.0165 
.040 
.OIO 
.0235 
.014 
.020 
•0235 
.016 
.022 
.Ol6 
.027 
.0235 
.016 
.022 
.013 
.0275 
•0345 
.018 
.0225 
.0165 
.030 
.015 
•0335 
.0185 
.0235 
•oi55 
•033 
.015 
•033 
.0185 
.029 
.015 
•034 
.016 
.0505 
.061 
.018 
