522 HAiiruAX OF the liolltjsca. 



PLATE lit. 



Ammonitidce. 



Pag* 



1. Goniatites Henslowi, Sby. \. Carb. limestone, Isle of Man 196 



2. Ceratites nodosns, Bnig. \. Muschelkalk, "Wiirtemberg . . 197 



3. Ammonites planulatus, Sby. |. Chalk-marl, Sussex 199 



4. — rotbomagensis, Brongn. \. Cbalk-marl, Sussex 198 



5. ■ — spinosus, Sby. \. Oxford Clay, Chippenham.. 198 



6. bifrons, Brug. I. Lias, Whitby 198 



7. • bisulcatus, Brug. J. Lias, Lyme Eegis 198 



8. Crioceras cristatum, Orb. f . Gault, S. France 199 



9. Scaphites equalis, Sby. f . Chalk-marl, Sussex 200 



10. Ancyloceras spinigerimi, Sby. f . Gault, Folkestone 20r* 



11. Helicoceras rotundiim, Sby. Gault, Folkestone 20G 



12. Toxoceras annulare. Orb. |. Neocomian, S. France 200 



13. Baculites anceps, Lam. \. Chalk, France 201 



14. Ptychoceras Emericianum, Orb. f . Neocomian, S. France 201 



15. lEamites attenuatus, Sby. \. Gault, Folkestone 201 



16. Turrilites costatus, Lam. \. Chalk-marl, Sussex 2C0 



