﻿PLATE I. 



Poikilopleuron pusittus. 



Fig. 



1 . Side view of a dorsal vertebra. 



2. Under view of a dorsal vertebra. 



3. Vertical longitudinal section of the same. 



4. Side view of lumbar and sacral vertebra?. 



5. Side view of a caudal vertebra. 



6. End view of the same. 



7. Under view of the same. 



8. Vertical transverse section of the middle of the same. 



9. Abdominal haemapophysis and haemal spine. 



10. Under surface of abdominal haemal spine. 



11. Reduced view, in outline, of neural or upper surface of the series of abdominal 



haetnapophyses and spines of a Crocodilus biporcatus. 



12. Side view of ungual phalanx. 



13. Upper view of the same. 



The fossils are of the natural size, are from the Wealden of the Isle of Wight, and 

 are in the Museum of the Rev. W. Fox, M.A., F.G.S. 



