xliv 
LIST OF "WOODCUTS. 
Page 
Fig. 27. Eukeraspis pustulifera. Oatline and superficial 
ornamentation of dorsal shield .194 
28. Auchenaspis salteri. Outline of dorsal shield . . 196 
29. - egertoni. Outline of dorsal shield .... 196 
30. Didymaspis grindrodi. Outline of dorsal shield . . 199 
31. 32. Tremataspis schrenki. Outline of dorsal and 
ventral shields .201 
33. Pterichthys testudinarius. Restoration .... 209 
34. Bothriolepis canadensis. Outline of cranial shield . 224 
35. -hydrophila. Restoration .230 
36. Dentition of Extinct Dipnoi (Dipterns, Ctenodus, 
Sagenodus, and Paleedaphus).234 
37. Dipterns valenciennesi. Cranial shield .... 237 
38. -valenciennesi. Ventral aspect .239 
39. Phaneropleuron andersoni. Restored outline . . . 247 
40. Ceratodus forsteri. Mouth, with dentition . . . 264 
41. -forsteri. Lateral aspect .265 
42. Coccosteus decipiens. Outline of dorsal and cranial 
shield .279 
43. -decipiens. Outline of ventral shield . . . . 281 
44. -decipiens. Restoration .282 
45. Dinichthys terrelli and D. hertzeri. Dentition . . 300 
46. Homosteus milleri. Outline of dorsal and cranial 
shield .307 
47. Itkizodopsis sauroides. Restoration of head . . . 319 
48. Transverse section of Holoptychian (Dendrodont) 
tooth.322 
49. Holoptychius flemingi. Dorsal aspect of head . . 328 
50. —— (Glyptolepis) leptopterus. Base of dorsal fin . 335 
51. Strepsodns sauroides. Tooth ........ 350 
52. Onychodus anglicus. Presymphysial bone .... 393 
53. Undina gulo. Restoration .412 
54. Palaeoniscus macropomus. Restoration of head and 
pectoral arch .425 
55. -— macropomus. Restoration .482 
56. Eurynotus crenatus. Restoration .530 
57. Cheirodus granulosus. Restoration .£37 
58. Platysomus gibbosus. Restoration .543 
