LIST OF WOOD-CUTS
Reading edition
PAGE
1. Internal ridge of hyoid plate of Asterolepis 31
2. Shagreen of Raja clavata:—of Sphagodus 54
3. Scales of Acanthodes sulcatus:—shagreen of Scyllium stellare 55
4. Scales of Cheiracanthus microlepidotus:—shagreen of Spinax Acanthias 56
5. Section of shagreen of Scyllium stellare:—of scales of Cheiracanthus microlepidotus 56
6. Scales of Osteolepis microlepidotus:—of an undescribed species of Glyptolepis 57
7. Osseous points Of Placoid Cranium 65
8. Osseous centrum of Spinax Acanthias:—of Raja clavata 67
9. Portions of caudal fin of Cheiracanthus:—of Cheirolepis 69
10. Upper surface of cranium of Cod 72
11. Cranial buckler of Coccosteus 74
12. Cranial buckler of Osteolepis 75
13. Upper surface of head of Osteolepis 77
14. Under surface of head of Osteolepis 79
15. Head of Osteolepis, seen in profile 80
16. Cranial buckler of Diplopterus 81
17. Ditto 82
18. Palatal dart-head, and group of palatal teeth, of Dipterus 83
19. Cranial buckler of Dipterus 85
20. Base of cranium of Dipterus 86
21. Under jaw of Dipterus 87
22. Longitudinal section of head of Dipterus 88
23. Section of vertebral centrum of Thornback 92
24. Dermal tubercles of Asterolepis 95
25. Scales of Asterolepis 96
26. Portion of carved surface of scale 96
27. Cranial buckler of Asterolepis 98
28. Inner surface of cranial buckler of Asterolepis 99
29. Plates of cranial buckler of Asterolepis 102
30. Portion of under jaw of Asterolepis 103
31. Inner side of portion of under jaw of Asterolepis 104
32. Portion of transverse section of reptile tooth of Asterolepis 105
33. Section of jaw of Asterolepis 106
34. Maxillary bone? 108
35. Inner surface of operculum of Asterolepis 109
36. Hyoid plate 110
37. Nail-like bone of hyoid plate 111
38. Shoulder plate of Asterolepis 112
39. Dermal bones of Asterolepis 113
40. Internal bones of Asterolepis 114
41. Ditto 115
42. Ischium of Asterolepis 116
43. Joint of ray of Thornback:—of Asterolepis 117
44. Coprolites of Asterolepis 118
45. Hyoid plate of Thurso Asterolepis 124
46. Hyoid plate of Russian Asterolepis 127
47. Spine of Spinax Acanthias:—fragment of Onondago spine 143
48. Tail of Spinax Acanthius:—of Ichthyosaurus tenuirostris 172
49. Port Jackson Shark (Cestracion Phillippi) 177
50. Tail of Osteolepis 195
51. Tail of Lepidosteus osseus 196
52. Tail of Perch 197
53. Altingia excelsa (Norfolk-Island Pine) 212
54. Fucoids of the Lower Old Red Sandstone 216
55. Two species of Old Red Fucoids 217
56. Fern (?) of the Lower Old Red Sandstone 219
57. Lignite of the Lower Old Red Sandstone 221
58. Internal structure of lignite of Lower Old Red Sandstone 223