xli 
LIST OF WOODCUTS. 
Page 
Fig. 1. Dictyopyge macrura. Fish in shale . 5 
2. Chondrosteus acipenseroides. Restoration .... 24 
3. -acipenseroides. Profile of head restored . . 25 
4. -acipenseroides. Cranial roof .26 
5. --acipenseroides. Head .30 
6. -acipenseroides. Head and pectoral arch . . 31 
7. Gyrostens mirabilis. Parasphenoid .36 
8. Acipenser (recent). Parasphenoid .36 
9. Gyrostens mirabilis. Hyomandibular .37 
10. -mirabilis. Maxilla .38 
11. Acipenser (recent). Maxilla .38 
12, 13. Gyrosteus mirabilis. Ceratohyals .39 
14. -mirabilis. Clavicle .40 
15. Acipenser (recent). Clavicle .40 
16. Gyrostens mirabilis. Supraclavicle .40 
17. - mirabilis. Caudal fin-rays .. 41 
18. Acipenser (recent). Skeleton .44 
19. Lepidotns macrocheirns. Mandibular ramus . . . 100 
20. -leedsi. Operculum and suboperculum . . . 100 
20 a. -leedsi. Mandibular ramus .100 
21. -leedsi. Bentary and tooth .100 
22. -minor. Restoration .95 
23. -mantelli. Head .113 
24. -mantelli. Arrangement of teeth .116 
25. Dapedins politns. Restoration .129 
26. -politns. EndosJceleton of trunk restored . . . 131 
27. --colei. Faded bones .141 
28. Cleithrolepis granulatus. Restoration .156 
part in. d 
