I 
XXV 
LIST OF WOODCUTS. 
rage 
Fig. 1 . Litiiites litmis 2 
2. Ophidioceras simplex 9 
3. Troclioceras subquadratum 31 
4. Halli 42 
5. Gyroceras Hibernicum 65 
6. (Aipoceras) corapressimi 68 
7. (Trigonoceras) paradoxicum 70 
8. Hercoceras minim 74 
9. (structural) 75 
10. Barrandeoceras Bohemicum 78 
11. Discites compressus 86 
12. (Phacoceras) oxystomus 98 
13. Ephippioceras clitellarium 100 
14. costatum 104 
15. Coelonautilus cariniferus (structural) 106 
Nautilus pompilius * Ill 
16. Coelonautilus multicarinatns 134 
17. paucicarinatus 116 
18. pinguis 118 
19. gradus 126 
20. globatus 129 
21. (outline) 130 
22. Pleuronautilus Mosis 335 
^ The number of tills figure was inadvertently omitted. 
PART IT. 
C 
