PLATE LXXXIV. 



Fig. 



1. Stephanoceras commune, Sowerdy. 



2. — — — 



4. Harpoceras striatui.um, — 



5. — 



7. Stephanoceras annulatum, 



8. — — 



9. — — 



Side view, natural size. My collection. 

 Front view of the same shell. 

 Suture line highly magnified. 

 Side view, natural size. My collection. 

 Collected by myself from the " Lytoceras 

 Jurense zone," Peak. 

 Side view, natural size. My collection. 

 Collected from the " Lytoceras Jurense 

 zone " at Frocester Hill. 

 Siphonal area, showing keel and costae. 



My collection. 

 Side view, natural size. My collection. 

 Front view of same shell, with oral aperture. 

 Portion of the suture line magnified. 





