258 



DESCEIPTION OF THE PLATES. 



Plate I. ' 



Page. 



1. Bacolites Fanjasii 1 



2, 5. Hamites attenuatus and tenuis 2 



3. Lyelli 3 



4, incurvatus 3 



6, 7. Bacolites baculoides obliquatus I 



8. Hamites costatus 3 



9, 13. gigas 1 



10. annulatus 3 



11. rectus 3 



12. inflexus 3 



14. maximus '2 



Plate II. 



1. Hamites ellipticus 3 



2. Bucklandi 3 



3. tuberculatus 2 



4. adpressus 3 



5. nodosus 2 



6. armatus 2 



7. rotundus 2 



8. turgidus 2 



9. multicostatus 9 



10. plicatiles 1 



11. undulatus 1 



12. spiniger 2 



13. altematus 3 



Plate III. 



1. Hamites gibbosus 3 



2. intermedius 2 



3. spinulosus 2 



4,9. Turrilites undulatus 4 



5. tuberculatus 3 



6. obliquus 4 



7. Hamites compressus 2 



8. Turrilites Bergeri 4 



10. costatus 4 



Plate III.* 



1,2,3. Lituites giganteus 249 



4,5. Clymenia linearis 250 



6. Actinoceras Simmsii 250 



7,8,9. Cyrtoceras Nautiloideum 250 



10. Gomphoccras pyriforme 250 



11. Pliragmoceras ventrieosum 250 



12. 13. Crioceras Bowerbankii 250 



Plate IV. 



1. Turrilites undulatus 4 



2. Ammonites steUaris 5 



3. Lewesensis 5 



4,9. Mantelli 5 



Page. 



5. Base of Turrilites tuberculatus 2 



6.6. Goniatites striatus, No. 4 5 



7.7. sphaericus. No. 5 5 



8. Ammonites obtusus, (a longitudinal 



section) 8 



10. Goniatites minutus. No. 8 6 



Plate T. 



1. Ammonites Lambert! 6 



2. costatus 6 



3. acutus 6 



4. omphaloides 6 



5. quadratus 6 



6. giganteus 6 



7. ellipticus 7 



8. comuoides 7 



9. triplicatus 7 



10. biplex 7 



Plate VI. 



1. Ammonites Brongniarti 7 



2. calloviensis 7 



3. GervillU 7 



4. obtusus 7 



5. Nutfieldensis 8 



6. triplicatus 8 



7. excavatus 8 



8. jugosus 8 



9. communis 8 



10. angulatus 8 



Plate VII. 



1, 2. Ammonites Bucklandi 8 



3,5,8. varius 9 



4. Dnneani 9 



6. Conybeari 9 



7. planicostatus 9 



9. auritus 10 



10. splendens 9 



11. binus 5 



Plate VIII. 



1. Ammonites lautus 10 



2. armatus 10 



3. planus 10 



4. cordatus II 



5. Brownii 11 



6. annulatus 11 



7. curvatus... II 



8. falcatus 11 



9. Brocchii 11 



10. serratus 12 



Plate IX. 



Pagi. 



1. Ammonites Sowerbyi 12 



2. Koenigi 12 



3,6. Listen 12 



4. Nautilus discus 12 



5. Ammonites Strangewaysii 12 



7,8. Greenoughii 12 



9,10. vertebralis 13 



11. concavus 13 



12. Bechei 13 



13. elegans 13 



Plate X. 



1. Ammonites planulatus 13 



2. Sutherlandi 13 



3. Selliguinus 13 



4. cinctus 13 



5. catillus H 



6. Murcliisoni 14 



7,8,9. spinosus 14 



10,11. denarius 14 



12. curvatus H 



13. Brodioei 14 



14. Humphriesianus 14 



Plate XI. 



1. Ammonites peramplus 14 



2. perarmatus 15 



3,4. Smithii 15 



5. fibulatus 15 



6. subarmatus 15 



7. Davaei 15 



8. tevigatus 15 



9. parvus 15 



10. cristatus 15 



11,14. Barkerix 15 



12. Herveyi 15 



13. Brookii 16 



Plate XII. 



1. Anmionites varicosus 16 



2. rotomagensis 16 



3. subradiatus 16 



4. Taylori 16 



5. Hippocastanum 16 



6. brevispina 16 



7. planorbis 17 



8. Guliclmi 17 



9. Blagdeni 17 



10. Leaehii 17 



11. comigatus 17 



