258 
DESCRIPTION OP THE PLATES. 
Plate I. 
Page. 
1. Baculites Faujasii. 1 
2. 5. Hamitcs attcnuatus and tenuis . 2 
3. Lyelli. 3 
4. incurvatus. 3 
6, 7. Baculites baculoidcs obliquatus. 1 
8. Hamites costatus. 3 
9, 13. gigas . 1 
10. annulatus . 3 
11. rectus. 3 
12. inflexus . 3 
14. inaximus. 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. alternatus 3 
Plate III. 
1. Hamites gibbosus. 3 
2. intermedius . 2 
3. spinulosus 2 
4. 9. Turrilitcs undulatus. 4 
5. tuberculatus. 3 
6. obliquus . 4 
7. Hamites comprcssus. 2 
8. Turrilites Bergeri. 4 
10. costatus. 4 
Plate III.* 
1,2,3. Lituites gigantcus. 249 
4, 5. Clymenia linearis. 250 
6. Actinoceras Simmsii. 250 
7.8.9. Cyrtoceras Nautiloidcum. 250 
10. Gomphoceras pyriforme . 250 
11. Phragmoccra8 ventricosum . 250 
12. 13. Criocenis Bowcrbankii . 250 
Plate IV. 
1. Turrilites undulatus. 4 
2. Ammonites stellaris. 5 
3. Lewcsensis . 5 
4.9. Mantelli. 5 
Page. 
5. Base of Turrilites tuberculatus . 2 
6, 6. Goniatitcs striatus, No. 4 . 5 
7,7. spluericus, No. 5. 5 
8. Ammonites obtusus, (a longitudinal 
section) ... 8 
10. Goniatites minutus, No. 8 . C 
Plate V. 
1. Ammonites Lamberti . G 
2. costatus. 6 
3. acutus . 6 
4. omplialoidcs . 6 
5. quadratus. 6 
6. gigantcus . 6 
7. ellipticus . 7 
8. comuoides. 7 
9. triplicatus. 7 
10. biplex . 7 
Plate VI. 
1. Ammonites Brongniarti . 7 
2. calloviensis . 7 
3. Gervillii. 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. Duncan i . 9 
6. Conybeari. 9 
7. planicostatus . 9 
9. auritus . 10 
10. splcndcns. 9 
11. binus. 5 
Plate VIII. 
1. Ammonites lautus . 10 
2. armatus. 10 
3. planus . 10 
4. cordatus. 11 
5. Brownii. 11 
6. annulatus . 11 
7. curvatus. 11 
8. falcatus . 11 
9. Brocchii. 11 
10. serratus. 12 
Plate IX. 
Page. 
1. Ammonites Sowerbyi . 12 
2. Kcenigi . 12 
3,6. Listeri . 12 
4. Nautilus discus. 12 
5. Ammonites Strangewaysii . 12 
7,8. Greenougliii . 12 
9,10. vertebralis. 13 
11. concavus . 13 
12. Bechci . 13 
13. elegans . 13 
Plate X. 
1. Ammonites planulatus. 13 
2. Sutlierlandi . 13 
3. Selliguinus. 13 
4. cinctus . 13 
5. catillus . 14 
G. Murchisoni . 14 
7,8,9. spinosus. 14 
10,11. denarius. 14 
12. curvatus. 11 
13. Brodiad. 14 
14. Humphricsianus . 14 
Plate XI. 
1 . Ammonites pcramplus. .. 
. 14 
2. 
perarmatus . 
. 15 
3, 4. 
Smithii . 
. 15 
5. 
fibulatus . 
. 15 
6 . 
subarmatus . 
. 15 
7. 
Davad . 
. 15 
8. 
kevigatus . 
. 15 
9. 
parvus . 
. 15 
10. 
cristatus . 
. 15 
11, 14. 
Barkerim . 
. 15 
12. 
Ilervevi . 
. 15 
13. 
Brookii . 
. IG 
Plate XII. 
1. Ammonites varicosus . 
. 1G 
2. 
rotomagensis . 
. 1G 
3. 
subradiatus . 
. 1G 
4. 
Taylori . 
. IG 
5. 
Hippocastanum . 
. 16 
6 . 
brevispina . 
. IG 
7. 
planorbis . 
. 17 
8. 
Gulielmi . 
. 17 
9. 
Blagdcni . 
. 17 
10. 
Leachii . 
. 17 
11. 
corrugatus . 
. 17 
