577 
fossil Remains of an Animal. 
dd. Broken teeth, the cavities filled with calcareous spar. 
e e. A portion of the intermediate bone, by which the lower 
jaw is connected to the skull. 
///. Three vertebrae connected to the skull. 
Plate XVIII. The continuation of the chain of vertebrae bro- 
ken ofi'from the mass represented in Plate XVII. The broken 
surfaces when applied to each other were found to fit exactly. 
The anterior surfaces of the vertebrae are exposed, the ribs 
of the left side are seen upon the convex surface, those op- 
posite on the concave. The left scapula lies over the ribs, a 
portion of the right scapula is seen detached. 
a a. Some of the ribs so much crushed in the middle line of 
their length, as to appear fluted. 
b. The broken portion of scapula. 
c, d, €. Bones bearing some slight resemblance to those of 
the tarsus of the turtle. 
f,g. Fragments of bones too imperfect to have their form 
ascertained. 
Plate XIX. Portions of ribs imbedded in blue lias, to shew 
the fluted appearance; the parts are represented of the natural 
size. 
Plate XX. Three vertebrae sawn through in a longitudinal 
direction to shew the intervertebral cavities which are filled 
with blue lias. Also one of the spinous processes broken off', 
in which is seen the canal for the spinal marrow'. 
a. The detached spinous process. 
bbbbbb. Fragments of bones. 
cc. The blue lias, in which they are imbedded. 
