522. MANUAL OF THE MOLLUSCA, 
PLATE Tf. 
Ammonitide. 
Page 
1. Goniatites Henslowi, Sby. 3. Carb. limestone, Isle of Man 196 
2. Ceratites nodosus, Brug. +. Muschelkaik, Wurtemberge .. 197 
3. Ammonites planulatus, Sby. 4. Chalk-marl, Sussex ...... 199 
4, rothomagensis, Brongn. %. Chalk-marl, Sussex 198 
5. ————-— spinosus, Sby. 4. Oxford Clay, Chippenham., 198 
6. ——— bifrons, Brug. _4. “Laas, Wihitbya. eee 198 
iG bisulcatus, Brug. 3. Lias, Lyme Regis eae bia . 198 
8. Crioceras cristatum, Orb. 2. Gault, S. France............ 199 
9. Scaphites equalis, Sby. #. Chalk-marl, Sussex .......... 200 
10. Ancyloceras spinigerum, Sby. %. Gault, Folkestone ...... 20 
11. Helicoceras rotundum, Sby. Gault, Folkestone............ 206 
12. Toxoceras annulare, Orb. 4. Neocomian, 8. France ...... 200 
13. Baculites anceps, Lam. 3. Chalk, France................ 201 
14. Ptychoceras Emericianum, Orb. %. Neocomian, S. France 201, 
15. Hamites attenuatus, Sby. 4% Gault, Folkestone .......... 201 
46. Turrilites costatus, Lam. 4. Chalk-marl, Sussex.......... 200 
