AESINOITHEEIUM ZITTELI. 



73 



C. 8096. Thoracic vertebra (textfig. 13). 



C. 8097, C. 9085. ? Thoracic vertebra. 



C. 7886, C. 8277; C. 8286, C. 9077, C. 9106. Thoracic vertebrae. 



C. 9228. Thoracic vertebra (? last). 



The dimensions (in centimetres) of the thoracic vertebrae enumerated above are : — 



Width of anterior face of centrum . 

 Height „ „ 



Length of ventral border of centrum . 

 Height to top of neural arch . . . 



C. 8776, C. 9036, C. 9100. Lumbar vertebrae. 

 C . 9220. ? Sacral vertebra. 



C. 9092. ? Anterior sacral vertebra (text-fig. 14). 

 C. 9093. Second sacral vertebra. 



The dimensions (in centimetres) of these lumbar and sacral vertebrae are : — 



Width of anterior face of centrum 

 Height „ „ 



Ventral length of centrum . . . 

 Height to top of neural arch . . 

 Width at transverse processes . . 



C. 7881. Anterior caudal vertebra. 



C. 7887. Caudal vertebra. 



C. 9109. Posterior caudal vertebra. 



The dimensions (in centimetres) of these caudal vertebrae are : — 



C.7881. 



Width of front of centrum 6"3 



Height „ „ . . 3-5 



Height to top of neural arch 5 



Width at transverse processes 16+ 



Length of centrum 6-2 



Other vertebrae in the Cairo Museum are : — 

 C. 8309. Cervical vertebra, probably the third. Width of centrum 12*5 cm., length 4'9 cm. 

 C. 7811. Cervical vertebra, probably the fourth. Width of centrum 11'3 cm., length 4'6 cm. 

 C. 8302. Cervical vertebra, probably the fifth. Width of centrum 11-6 cm., length 4 cm. 



These three vertebrae, C. 8309, C. 7811, and C. 8302, have been placed with the atlas and axis 

 numbered C. 8990 and 0. 8973 respectively. 



L 



