PLATE XXXIII 



Fig. 



1. 





1. 



Kg. 



2 



Fig. 



3. 



Fig. 



4. 





4 a. 



Fig. 



5. 



Fig. 



6. 





6 





6 a 





6 t- 



Nautilus (Cryptocekas) capax 53a 



Dorsal Tiew ; 1 a, side view. 



Nautilus (Discites) Highlakdensis 53L 



Ayiculopecten, (spec, undet. ) 



Yiew of the interior of a right valve. 



CONOCARDIUM OBLIQUUM 529 



Dorsal view ; 4, siue view. 



pleuropborus ? angulatus 529 



Carbonarca gibeosa 531 



Yiew of the crenulated hinge line. 

 Anteiior view stowing the beaks. 

 Lateral view. 



