xliii 
LIST OF WOODCUTS, 
Page 
Fig. 1. Acanthodes ward!. Restoration .. 2 
2. -- bronni. Pectoral Jin . 4 
3. Diplacanthus striatus. Pectoral arch and Jins . . 23 
4. Parexus falcatus. Pectoral arch and Jin , 35 
5. Ptyctodus obliquus, Tooth .38 
(j. Palatine teeth of Chimaeridae. Diagrams of the oral 
aspect .5t 
7. Mandibular teeth of Chimaeridae. Diagrams of the 
inner aspect .54 
8. Euaphodon leptognathus. Mandibular tooth ... 82 
9. Lepracanthus colei. Dorsal Jin-spine .115 
10. Gyracanthus formosus. Fin-spine .142 
11. Harpacanthus fimbriatus. Spine .151 
12. Edestns minor. Portion of spine .152 
13. Euctenius unilateralis. Spines .155 
14. Pteraspis rostrata. Dorsal shield .160 
15. -rostrata. Restoration ........ 161 
16. -crouchi. Portion of dorsal shield .... 168 
17. Cyathaspis. Outline of dorsal shield .171 
18. Cephalaspis lyelli. Outline of dorsal shield . . . 177 
19. Cephalaspis. Inferior aspect of dorsal shield . . . 178 
20. Cephalaspis. Transverse section of dorsal shield . . 179 
21. Cephalaspis lyelli. Restoration .180 
22. -powriei. Outline of dorsal shield .... 183 
23. -pagei. Outline and superficial ornamentation 
of dorsal shield .184 
24. -murchisoni. Restoration .185 
25. -murchisoni. Outline and superficial ornamen¬ 
tation of dorsal shield . ....186 
26. -dawsoni. Dorsal aspect , and portion of super¬ 
ficial ornamentation .192 
