In. 



Lines, 







6 



G 



9 



5 



7 



3 







2 



8 



3 



3 



2 



9 



In. 



Lines. 



10 







2 



9 



3 



4 



3 







Mr. Clift on the Megatherium. 443 



through a complete foramen on each side^ just above the posterior articular 

 process. 



Ft. 



The greatest breadth of the atlas 1 



From the outside of one condyloid surface to the other . . 



Antero-posterior diameter of the atlas 



Antero-posterior diameter of spinal canal 



Lateral diameter of spinal canal 



Of the dentata there are only fragments, the spinous pro- -i 

 cess of which is bifurcate, and measures in length . . J 

 In breadth at the tip 



Of apparently the third cervical vertebra there are the body and transverse 

 processes, which give the following admeasurements : 



Ft. 

 Greatest breadth from the tip of one ti-ansverse process to the other 



Antero-posterior diameter of the body 



Lateral diameter of the body 



Length of the spine, which ends in a tuberosity 



The only entire cervical vertebra appears to be the fifth ; its admeasure- 

 ments are. 



Ft. 



Greatest breadth from tip to tip of the transverse processes 



From anterior part of body to end of spine 



Antero-posterior diameter of the body 



Lateral diameter of the body 



Antero-posterior diameter of spinal canal 



Lateral diameter of spinal canal 



Of apparently the sixth cervical vertebra the body measures. 



Ft. In. Lines. 



In antero-posterior diameter 3 



In lateral diameter 4 



The admeasurements of the only two entire dorsal vertebra are as follow : 



The one which is probably the 4th or 5th. Probably the 13th or 14th. 

 Ft. 

 Breadth from the tip of one transverse process to the other 

 From the anterior part of the body to the end of spine ... 1 



Antero-posterior diameter of body 



Lateral diameter of body 



Antero-posterior diameter of spinal canal 



Lateral diameter of spinal canal 



Length of the spine 



Passing over the sacral vertebrae, which will be described with the rest of 

 the pelvis, we come to those of the tail, which being in the Madrid skeleton 



In. 



Lines, 



9 



6 



8 



3 



3 







3 



8 



3 



10 



3 







In. 



Lines. 



Ft. 



In. 



Lines. 



9 



7 







11 



9 



4 







1 



4 







3 



9 







4 



9 



O 



7 







5 







2 



11 







3 



3 



3 



1 







3 



3 



7 











7 



10 



