LIST OF WOODCUTS. 
Paso 
I. A call tli odes wardi. Restoration . 
;2. -bronni. Pectoral Jin . 
6. Diplacantbus striatus. Pectoral arch and jins 
4. Parexus falcat-us. Pectoral arch and fin . 
5. Ptyetodus obliquus. Tooth . 
6. Palatine teeth of Chimrorida). Diagrams of the oral 
* w 4 
aspect . 
7. .Mandibular teeth of Chinisendie. Diagrams of the 
inner aspect . 
S. Edaphodon leptognathns. Mandibular tooth . 
9. Lepracanthus colei. Dorsal fin-spine . 
10. Gyracanthus fonnosus. Fin-spine .... 
11. Harpacanthns fimbriatus. Spine .... 
12. Edost us minor. Portion of spine .... 
13. Euctenius unilateralis. Spines . 
14. Pteraspis rostrata. Dorsal shield .... 
15. - rostrata. Restoration . 
16. -crouehi. Portion of dorsal shield 
17. Cyathaspis. Outline of dorsad shield . . . 
IS. Cephalaspis lyelli. Outline of dorsal shield . 
19. Cephalaspis. Inferior aspect of dorsal shield. . 
20. Cephalaspis. Transverse section of dorsal shield 
21. Cephalaspis lyelli. Restoration . 
22. -powriei. Outline of dorsad shield 
-- pagei. Outline and superficial ornament a 
23 
24. 
:o. 
20. 
ion 
4 
23 
35 
33 
o i 
54 
82 
115 
142 
151 
152 
of dorsctl shield . 
-murchisoni. Restoration . 
-murchisoni. Outline and. superficial ornamen¬ 
tation of dorsal shield . 
— dawsoni. Dorsal aspect, and portion of super¬ 
ficial ornamentation 
160 
101 
1GS 
171 
177 
173 
179 
ISO 
183 
184 
1S5 
ISO 
192 
