ixxiu 



LIST OP WOODCUTS. 



31. Plates of cranial buckler of Aaterolepit 



32. Outer side of portion of under jaw of Asterolepis 



33. Inner side of portion of under jaw of Asterolepis 



34. Portion of transverse section of reptile tooth of Asterolepis 



35. Section of jaw of Asterolepis 



36. Under jaw of young Asterolepis 

 87. Palatal plate of Asterolepis 



38. Maxillary bone 1 



39. Inner surface of operculum of Asterolepis . 



40. Hyoid plate 



41. Nail-like bone of hyoid plate 



42. Non-descript latero-hyoidal plate of Asterolepis 



43. Shoulder plate of A sterolepis 



44. Dermal bones of Asterolepis 



45. Clavicle and latero-cerebral plate of Asterolepis 



46. Internal bones of Asterolepis 



47. Internal bones of some unknown fish 



48. Ischium of Asterolepis .... 



49. Joint of ray of Thornback : — of Asterolepis 



50. Coprolites of Asterolepis .... 



51. Hyoid plate of Thurso Asterolepis 



52. Hyoid plate of Russian Asterolepis 



53. Spine of Spinax Acanihias : — fragment of Onondago spine 



54. Tail of Spinax Acanthias : — of Ichthyosaurus Tenuirostris 



55. Port-Jackson Shark (Cestracion PhilUppi) 



56. Tail of Osteolepxs 



57. Tail of Lepidosteus Osseus 



58. Tail of Perch 



59. Progress of degradation .... 



60. Altingia excelsa (Norfolk Island Pine) 



61. Fucoids of the Lower (Middle) Old Red Sandstone 



62. Two species of Old Red Fucoids 



63. Fern ? of the Lower (Middle) Old Red Sandstone 



64. Lignite of the Lower (Middle) Old Red Sandstone 



65. Internal structure of Lignite of Lower (Middle) Old Red Sand- 



stone ....... 



Q6. Cephalaspis Lyelli . . . . . 



57. Restoration of Cephalaspis 



